Update CHANGELOG.md

Bump version to 2.7.
Merge branch 'pr/4296' into 2.x
2019-02-12 23:47:01 -05:00 · 2019-02-12 23:38:48 -05:00 · 2019-02-12 23:28:15 -05:00 · 2019-02-12 14:28:56 -05:00 · 2019-02-12 10:33:54 -08:00 · 2019-02-11 21:48:36 -05:00
239 changed files with 11436 additions and 12230 deletions
--- a/.codecov.yml
+++ b/.codecov.yml
@ -1,2 +0,0 @@
-ignore:
-  - "Tests"
--- a/.gitignore
+++ b/.gitignore
@ -17,15 +17,3 @@ profile
 DerivedData
 .idea/
 Tests/Pods
-Tests/Podfile.lock
-Tests/AFNetworking Tests.xcodeproj/xcshareddata/xcschemes/
-AFNetworking.framework.zip
-
-# Fastlane
-/fastlane/report.xml
-/fastlane/.env*private*
-fastlane/test-output/*
-
-Carthage/Build
-
-fastlane/README.md
--- a/.travis.yml
+++ b/.travis.yml
@ -1,51 +1,37 @@
 language: objective-c
-osx_image: xcode11
+osx_image: xcode7.3
 sudo: false
 env:
  global:
  - LC_CTYPE=en_US.UTF-8
  - LANG=en_US.UTF-8
-  - LANGUAGE=en_US.UTF-8
-  - FASTLANE_LANE=ci_commit
-matrix:
-  include:
-    - osx_image: xcode11
-      env: FASTLANE_LANE=code_coverage FASTLANE_ENV=default
-    - osx_image: xcode11
-      env: FASTLANE_ENV=ios13_xcode11
-    - osx_image: xcode11
-      env: FASTLANE_ENV=tvos13_xcode11
-    - osx_image: xcode11
-      env: FASTLANE_ENV=osx
-    - osx_image: xcode10
-      env: FASTLANE_ENV=ios12_xcode10
-    - osx_image: xcode9.4
-      env: FASTLANE_ENV=ios11_xcode94
-    - osx_image: xcode9.3
-      env: FASTLANE_ENV=ios11_xcode93
-    - osx_image: xcode9.2
-      env: FASTLANE_ENV=ios11_xcode92
-    - osx_image: xcode9.1
-      env: FASTLANE_ENV=ios11_xcode91
-    - osx_image: xcode9
-      env: FASTLANE_ENV=ios11_xcode9
+  matrix:
+    - DESTINATION="OS=9.1,name=iPhone 6s" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="YES" POD_LINT="NO"
+    - DESTINATION="OS=9.0,name=iPhone 6 Plus" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="YES" POD_LINT="NO"	
+    - DESTINATION="OS=8.4,name=iPhone 6" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="NO" POD_LINT="NO"	
+    - DESTINATION="OS=8.3,name=iPhone 5S" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="NO" POD_LINT="NO"	
+    - DESTINATION="OS=8.2,name=iPhone 5" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="NO" POD_LINT="NO"
+    - DESTINATION="OS=8.1,name=iPhone 4S" TEST_SCHEME="iOS Tests" EXAMPLE_SCHEME="AFNetworking iOS Example" SDK=iphonesimulator9.3 RUN_TESTS="YES" BUILD_EXAMPLE="NO" POD_LINT="YES"
+# TESTS ARE CURRENTLY DISABLED FOR MAC OS X DUE TO THIS ISSUE: https://github.com/travis-ci/travis-ci/issues/4904
+    - DESTINATION="arch=x86_64" TEST_SCHEME="OS X Tests" SDK=macosx10.11 EXAMPLE_SCHEME="AFNetworking Example" RUN_TESTS="NO" BUILD_EXAMPLE="YES" POD_LINT="NO"
 before_install:
-  - gem install fastlane --no-document --quiet
-  - gem install cocoapods --no-document --quiet
+  - gem install cocoapods --no-rdoc --no-ri --no-document --quiet
+  - gem install xcpretty --no-rdoc --no-ri --no-document --quiet
+  - cd Tests && pod install && cd $TRAVIS_BUILD_DIR
 script:
  - set -o pipefail
-  - fastlane $FASTLANE_LANE configuration:Debug --env $FASTLANE_ENV
-  - fastlane $FASTLANE_LANE configuration:Release --env $FASTLANE_ENV
-after_success:
-  - if [ "$FASTLANE_LANE" == "code_coverage" ]; then
-     bash <(curl -s https://codecov.io/bash);
+  - xcodebuild -version
+  - xcodebuild -showsdks
+  - if [ $RUN_TESTS == "YES" ]; then 
+      xcodebuild -workspace AFNetworking.xcworkspace -scheme "$TEST_SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Debug ONLY_ACTIVE_ARCH=NO test | xcpretty -c; 
+      xcodebuild -workspace AFNetworking.xcworkspace -scheme "$TEST_SCHEME" -sdk "$SDK" -destination "$DESTINATION" -configuration Release ONLY_ACTIVE_ARCH=NO test | xcpretty -c; 
+    fi
+  - if [ $BUILD_EXAMPLE == "YES" ]; then 
+     xcodebuild -workspace AFNetworking.xcworkspace -scheme "$EXAMPLE_SCHEME" -destination "$DESTINATION" 
+      -configuration Debug ONLY_ACTIVE_ARCH=NO build | xcpretty -c; 
+     xcodebuild -workspace AFNetworking.xcworkspace -scheme "$EXAMPLE_SCHEME" -destination "$DESTINATION" 
+      -configuration Release ONLY_ACTIVE_ARCH=NO build | xcpretty -c;
+    fi
+  - if [ $POD_LINT == "YES" ]; then
+      pod lib lint --quick;
    fi
-after_failure:
- - cat -n ~/Library/Logs/scan/*
- - cat -n $TMPDIR/com.apple.dt.XCTest-status/Session*.log
- - cat -n ~/Library/Logs/DiagnosticReports/xctest*.crash
-# deploy:
-#   provider: script
-#   script: fastlane complete_framework_release --env deploy
-#   on:
-#     tags: true
--- a/AFNetworking.podspec
+++ b/AFNetworking.podspec
@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
  s.name     = 'AFNetworking'
-  s.version  = '3.2.1'
+  s.version  = '2.7.0'
  s.license  = 'MIT'
  s.summary  = 'A delightful iOS and OS X networking framework.'
  s.homepage = 'https://github.com/AFNetworking/AFNetworking'
@ -20,17 +20,12 @@ Pod::Spec.new do |s|
 #ifndef TARGET_OS_WATCH
  #define TARGET_OS_WATCH 0
 #endif
-
-#ifndef TARGET_OS_TV
-  #define TARGET_OS_TV 0
-#endif
 EOS
  s.prefix_header_contents = pch_AF
  
-  s.ios.deployment_target = '8.0'
+  s.ios.deployment_target = '7.0'
  s.osx.deployment_target = '10.9'
  s.watchos.deployment_target = '2.0'
-  s.tvos.deployment_target = '9.0'
  
  s.subspec 'Serialization' do |ss|
    ss.source_files = 'AFNetworking/AFURL{Request,Response}Serialization.{h,m}'
@ -47,9 +42,8 @@ EOS
  end

  s.subspec 'Reachability' do |ss|
-    ss.ios.deployment_target = '8.0'
+    ss.ios.deployment_target = '7.0'
    ss.osx.deployment_target = '10.9'
-    ss.tvos.deployment_target = '9.0'

    ss.source_files = 'AFNetworking/AFNetworkReachabilityManager.{h,m}'
    ss.public_header_files = 'AFNetworking/AFNetworkReachabilityManager.h'
@ -57,20 +51,35 @@ EOS
    ss.frameworks = 'SystemConfiguration'
  end

+  s.subspec 'NSURLConnection' do |ss|
+    ss.ios.deployment_target = '7.0'
+    ss.osx.deployment_target = '10.9'
+
+    ss.dependency 'AFNetworking/Serialization'
+    ss.dependency 'AFNetworking/Reachability'
+    ss.dependency 'AFNetworking/Security'
+
+    ss.source_files = 'AFNetworking/AFURLConnectionOperation.{h,m}', 'AFNetworking/AFHTTPRequestOperation.{h,m}', 'AFNetworking/AFHTTPRequestOperationManager.{h,m}'
+    ss.public_header_files = 'AFNetworking/AFURLConnectionOperation.h', 'AFNetworking/AFHTTPRequestOperation.h', 'AFNetworking/AFHTTPRequestOperationManager.h'
+  end
+
  s.subspec 'NSURLSession' do |ss|
+    ss.ios.deployment_target = '7.0'
+    ss.osx.deployment_target = '10.9'
+    ss.watchos.deployment_target = '2.0'
+    
    ss.dependency 'AFNetworking/Serialization'
    ss.ios.dependency 'AFNetworking/Reachability'
    ss.osx.dependency 'AFNetworking/Reachability'
-    ss.tvos.dependency 'AFNetworking/Reachability'
    ss.dependency 'AFNetworking/Security'

-    ss.source_files = 'AFNetworking/AF{URL,HTTP}SessionManager.{h,m}', 'AFNetworking/AFCompatibilityMacros.h'
-    ss.public_header_files = 'AFNetworking/AF{URL,HTTP}SessionManager.h', 'AFNetworking/AFCompatibilityMacros.h'
+    ss.source_files = 'AFNetworking/AF{URL,HTTP}SessionManager.{h,m}'
+    ss.public_header_files = 'AFNetworking/AF{URL,HTTP}SessionManager.h'
  end

  s.subspec 'UIKit' do |ss|
-    ss.ios.deployment_target = '8.0'
-    ss.tvos.deployment_target = '9.0'
+    ss.platform = :ios
+    ss.dependency 'AFNetworking/NSURLConnection'
    ss.dependency 'AFNetworking/NSURLSession'

    ss.public_header_files = 'UIKit+AFNetworking/*.h'
--- a/AFNetworking.xcodeproj/project.pbxproj
+++ b/AFNetworking.xcodeproj/project.pbxproj
--- a/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,139 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0930"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "NO"
-            buildForProfiling = "NO"
-            buildForArchiving = "NO"
-            buildForAnalyzing = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "299522381BBF104D00859F49"
-               BuildableName = "AFNetworking.framework"
-               BlueprintName = "AFNetworking iOS"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      enableAddressSanitizer = "YES"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "NO">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-            <SkippedTests>
-               <Test
-                  Identifier = "AFSecurityPolicyTests/testPolicyWithCertificatePinningAllowsGoogleComServerTrustIncompleteChainWithRootCertificatePinnedAndValidDomainName">
-               </Test>
-            </SkippedTests>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522381BBF104D00859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking iOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "OS_ACTIVITY_MODE"
-            value = "disable"
-            isEnabled = "YES">
-         </EnvironmentVariable>
-         <EnvironmentVariable
-            key = "HTTPBIN_BASE_URL"
-            value = "http://127.0.0.1:5000"
-            isEnabled = "NO">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522381BBF104D00859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking iOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "OS_ACTIVITY_MODE"
-            value = "disable"
-            isEnabled = "YES">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522381BBF104D00859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking iOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
--- a/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,112 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0930"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "299522761BBF136400859F49"
-               BuildableName = "AFNetworking.framework"
-               BlueprintName = "AFNetworking macOS"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      codeCoverageEnabled = "YES"
-      shouldUseLaunchSchemeArgsEnv = "NO">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C491BC2C7B200FD3B3E"
-               BuildableName = "AFNetworking macOS Tests.xctest"
-               BlueprintName = "AFNetworking macOS Tests"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-            <SkippedTests>
-               <Test
-                  Identifier = "AFSecurityPolicyTests/testPolicyWithCertificatePinningAllowsGoogleComServerTrustIncompleteChainWithRootCertificatePinnedAndValidDomainName">
-               </Test>
-            </SkippedTests>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522761BBF136400859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking macOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "HTTPBIN_BASE_URL"
-            value = "http://127.0.0.1:5000"
-            isEnabled = "NO">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522761BBF136400859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking macOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522761BBF136400859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking macOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
--- a/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,136 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0930"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "2987B0A41BC408A200179A4C"
-               BuildableName = "AFNetworking.framework"
-               BlueprintName = "AFNetworking tvOS"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      enableAddressSanitizer = "YES"
-      shouldUseLaunchSchemeArgsEnv = "NO">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "2987B0AD1BC408A200179A4C"
-               BuildableName = "AFNetworking tvOS Tests.xctest"
-               BlueprintName = "AFNetworking tvOS Tests"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
-            </BuildableReference>
-            <SkippedTests>
-               <Test
-                  Identifier = "AFSecurityPolicyTests/testPolicyWithCertificatePinningAllowsGoogleComServerTrustIncompleteChainWithRootCertificatePinnedAndValidDomainName">
-               </Test>
-            </SkippedTests>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "2987B0A41BC408A200179A4C"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking tvOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "OS_ACTIVITY_MODE"
-            value = "disable"
-            isEnabled = "YES">
-         </EnvironmentVariable>
-         <EnvironmentVariable
-            key = "HTTPBIN_BASE_URL"
-            value = "http://127.0.0.1:5000"
-            isEnabled = "NO">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-         <AdditionalOption
-            key = "NSZombieEnabled"
-            value = "YES"
-            isEnabled = "YES">
-         </AdditionalOption>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      enableThreadSanitizer = "YES"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      stopOnEveryThreadSanitizerIssue = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "2987B0A41BC408A200179A4C"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking tvOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <EnvironmentVariables>
-         <EnvironmentVariable
-            key = "OS_ACTIVITY_MODE"
-            value = "disable"
-            isEnabled = "YES">
-         </EnvironmentVariable>
-      </EnvironmentVariables>
-      <AdditionalOptions>
-         <AdditionalOption
-            key = "NSZombieEnabled"
-            value = "YES"
-            isEnabled = "YES">
-         </AdditionalOption>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES">
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "2987B0A41BC408A200179A4C"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking tvOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
--- a/AFNetworking.xcworkspace/contents.xcworkspacedata
+++ b/AFNetworking.xcworkspace/contents.xcworkspacedata
@ -1,10 +1,152 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Workspace
   version = "1.0">
+   <Group
+      location = "group:AFNetworking"
+      name = "AFNetworking">
+      <FileRef
+         location = "group:AFNetworking.h">
+      </FileRef>
+      <Group
+         location = "container:"
+         name = "NSURLConnection">
+         <FileRef
+            location = "group:AFNetworking/AFURLConnectionOperation.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFURLConnectionOperation.m">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPRequestOperation.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPRequestOperation.m">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPRequestOperationManager.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPRequestOperationManager.m">
+         </FileRef>
+      </Group>
+      <Group
+         location = "container:"
+         name = "NSURLSession">
+         <FileRef
+            location = "group:AFNetworking/AFURLSessionManager.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFURLSessionManager.m">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPSessionManager.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFHTTPSessionManager.m">
+         </FileRef>
+      </Group>
+      <Group
+         location = "container:"
+         name = "Security">
+         <FileRef
+            location = "group:AFNetworking/AFSecurityPolicy.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFSecurityPolicy.m">
+         </FileRef>
+      </Group>
+      <Group
+         location = "container:"
+         name = "Reachability">
+         <FileRef
+            location = "group:AFNetworking/AFNetworkReachabilityManager.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFNetworkReachabilityManager.m">
+         </FileRef>
+      </Group>
+      <Group
+         location = "container:"
+         name = "Serialization">
+         <FileRef
+            location = "group:AFNetworking/AFURLRequestSerialization.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFURLRequestSerialization.m">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFURLResponseSerialization.h">
+         </FileRef>
+         <FileRef
+            location = "group:AFNetworking/AFURLResponseSerialization.m">
+         </FileRef>
+      </Group>
+   </Group>
+   <Group
+      location = "group:UIKit+AFNetworking"
+      name = "UIKit+AFNetworking">
+      <FileRef
+         location = "group:UIKit+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:AFNetworkActivityIndicatorManager.h">
+      </FileRef>
+      <FileRef
+         location = "group:AFNetworkActivityIndicatorManager.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIActivityIndicatorView+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIActivityIndicatorView+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIAlertView+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIAlertView+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIButton+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIButton+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIImageView+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIImageView+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIProgressView+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIProgressView+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIWebView+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIWebView+AFNetworking.m">
+      </FileRef>
+      <FileRef
+         location = "group:UIRefreshControl+AFNetworking.h">
+      </FileRef>
+      <FileRef
+         location = "group:UIRefreshControl+AFNetworking.m">
+      </FileRef>
+   </Group>
   <FileRef
-      location = "group:AFNetworking.xcodeproj">
+      location = "group:Tests/AFNetworking Tests.xcodeproj">
   </FileRef>
   <FileRef
-      location = "group:Example/AFNetworking Example.xcodeproj">
+      location = "group:Example/AFNetworking iOS Example.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Example/AFNetworking OS X Example.xcodeproj">
+   </FileRef>
+   <FileRef
+      location = "group:Tests/Pods/Pods.xcodeproj">
   </FileRef>
 </Workspace>
--- a/AFNetworking/AFCompatibilityMacros.h
+++ b/AFNetworking/AFCompatibilityMacros.h
@ -1,43 +0,0 @@
-// AFCompatibilityMacros.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#ifndef AFCompatibilityMacros_h
-#define AFCompatibilityMacros_h
-
-#ifdef API_UNAVAILABLE
-    #define AF_API_UNAVAILABLE(x) API_UNAVAILABLE(x)
-#else
-    #define AF_API_UNAVAILABLE(x)
-#endif // API_UNAVAILABLE
-
-#if __has_warning("-Wunguarded-availability-new")
-    #define AF_CAN_USE_AT_AVAILABLE 1
-#else
-    #define AF_CAN_USE_AT_AVAILABLE 0
-#endif
-
-#if ((__IPHONE_OS_VERSION_MAX_ALLOWED && __IPHONE_OS_VERSION_MAX_ALLOWED < 100000) || (__MAC_OS_VERSION_MAX_ALLOWED && __MAC_OS_VERSION_MAX_ALLOWED < 101200) ||(__WATCH_OS_MAX_VERSION_ALLOWED && __WATCH_OS_MAX_VERSION_ALLOWED < 30000) ||(__TV_OS_MAX_VERSION_ALLOWED && __TV_OS_MAX_VERSION_ALLOWED < 100000))
-    #define AF_CAN_INCLUDE_SESSION_TASK_METRICS 0
-#else
-    #define AF_CAN_INCLUDE_SESSION_TASK_METRICS 1
-#endif
-
-#endif /* AFCompatibilityMacros_h */
--- a/AFNetworking/AFHTTPRequestOperation.h
+++ b/AFNetworking/AFHTTPRequestOperation.h
@ -0,0 +1,70 @@
+// AFHTTPRequestOperation.h
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import "AFURLConnectionOperation.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ `AFHTTPRequestOperation` is a subclass of `AFURLConnectionOperation` for requests using the HTTP or HTTPS protocols. It encapsulates the concept of acceptable status codes and content types, which determine the success or failure of a request.
+ */
+@interface AFHTTPRequestOperation : AFURLConnectionOperation
+
+///------------------------------------------------
+/// @name Getting HTTP URL Connection Information
+///------------------------------------------------
+
+/**
+ The last HTTP response received by the operation's connection.
+ */
+@property (readonly, nonatomic, strong, nullable) NSHTTPURLResponse *response;
+
+/**
+ Responses sent from the server in data tasks created with `dataTaskWithRequest:success:failure:` and run using the `GET` / `POST` / et al. convenience methods are automatically validated and serialized by the response serializer. By default, this property is set to an AFHTTPResponse serializer, which uses the raw data as its response object. The serializer validates the status code to be in the `2XX` range, denoting success. If the response serializer generates an error in `-responseObjectForResponse:data:error:`, the `failure` callback of the session task or request operation will be executed; otherwise, the `success` callback will be executed.
+
+ @warning `responseSerializer` must not be `nil`. Setting a response serializer will clear out any cached value
+ */
+@property (nonatomic, strong) AFHTTPResponseSerializer <AFURLResponseSerialization> * responseSerializer;
+
+/**
+ An object constructed by the `responseSerializer` from the response and response data. Returns `nil` unless the operation `isFinished`, has a `response`, and has `responseData` with non-zero content length. If an error occurs during serialization, `nil` will be returned, and the `error` property will be populated with the serialization error.
+ */
+@property (readonly, nonatomic, strong, nullable) id responseObject;
+
+///-----------------------------------------------------------
+/// @name Setting Completion Block Success / Failure Callbacks
+///-----------------------------------------------------------
+
+/**
+ Sets the `completionBlock` property with a block that executes either the specified success or failure block, depending on the state of the request on completion. If `error` returns a value, which can be caused by an unacceptable status code or content type, then `failure` is executed. Otherwise, `success` is executed.
+
+ This method should be overridden in subclasses in order to specify the response object passed into the success block.
+
+ @param success The block to be executed on the completion of a successful request. This block has no return value and takes two arguments: the receiver operation and the object constructed from the response data of the request.
+ @param failure The block to be executed on the completion of an unsuccessful request. This block has no return value and takes two arguments: the receiver operation and the error that occurred during the request.
+ */
+- (void)setCompletionBlockWithSuccess:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                              failure:(nullable void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+@end
+
+NS_ASSUME_NONNULL_END
--- a/AFNetworking/AFHTTPRequestOperation.m
+++ b/AFNetworking/AFHTTPRequestOperation.m
@ -0,0 +1,206 @@
+// AFHTTPRequestOperation.m
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFHTTPRequestOperation.h"
+
+static dispatch_queue_t http_request_operation_processing_queue() {
+    static dispatch_queue_t af_http_request_operation_processing_queue;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        af_http_request_operation_processing_queue = dispatch_queue_create("com.alamofire.networking.http-request.processing", DISPATCH_QUEUE_CONCURRENT);
+    });
+
+    return af_http_request_operation_processing_queue;
+}
+
+static dispatch_group_t http_request_operation_completion_group() {
+    static dispatch_group_t af_http_request_operation_completion_group;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        af_http_request_operation_completion_group = dispatch_group_create();
+    });
+
+    return af_http_request_operation_completion_group;
+}
+
+#pragma mark -
+
+@interface AFURLConnectionOperation ()
+@property (readwrite, nonatomic, strong) NSURLRequest *request;
+@property (readwrite, nonatomic, strong) NSURLResponse *response;
+@end
+
+@interface AFHTTPRequestOperation ()
+@property (readwrite, nonatomic, strong) NSHTTPURLResponse *response;
+@property (readwrite, nonatomic, strong, nullable) id responseObject;
+@property (readwrite, nonatomic, strong) NSError *responseSerializationError;
+@property (readwrite, nonatomic, strong) NSRecursiveLock *lock;
+@end
+
+@implementation AFHTTPRequestOperation
+@dynamic response;
+@dynamic lock;
+
+- (instancetype)initWithRequest:(NSURLRequest *)urlRequest {
+    self = [super initWithRequest:urlRequest];
+    if (!self) {
+        return nil;
+    }
+
+    self.responseSerializer = [AFHTTPResponseSerializer serializer];
+
+    return self;
+}
+
+- (void)setResponseSerializer:(AFHTTPResponseSerializer <AFURLResponseSerialization> *)responseSerializer {
+    NSParameterAssert(responseSerializer);
+
+    [self.lock lock];
+    _responseSerializer = responseSerializer;
+    self.responseObject = nil;
+    self.responseSerializationError = nil;
+    [self.lock unlock];
+}
+
+- (id)responseObject {
+    [self.lock lock];
+    if (!_responseObject && [self isFinished] && !self.error) {
+        NSError *error = nil;
+        self.responseObject = [self.responseSerializer responseObjectForResponse:self.response data:self.responseData error:&error];
+        if (error) {
+            self.responseSerializationError = error;
+        }
+    }
+    [self.lock unlock];
+
+    return _responseObject;
+}
+
+- (NSError *)error {
+    if (_responseSerializationError) {
+        return _responseSerializationError;
+    } else {
+        return [super error];
+    }
+}
+
+#pragma mark - AFHTTPRequestOperation
+
+- (void)setCompletionBlockWithSuccess:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                              failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    // completionBlock is manually nilled out in AFURLConnectionOperation to break the retain cycle.
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Warc-retain-cycles"
+#pragma clang diagnostic ignored "-Wgnu"
+    self.completionBlock = ^{
+        if (self.completionGroup) {
+            dispatch_group_enter(self.completionGroup);
+        }
+
+        dispatch_async(http_request_operation_processing_queue(), ^{
+            if (self.error) {
+                if (failure) {
+                    dispatch_group_async(self.completionGroup ?: http_request_operation_completion_group(), self.completionQueue ?: dispatch_get_main_queue(), ^{
+                        failure(self, self.error);
+                    });
+                }
+            } else {
+                id responseObject = self.responseObject;
+                if (self.error) {
+                    if (failure) {
+                        dispatch_group_async(self.completionGroup ?: http_request_operation_completion_group(), self.completionQueue ?: dispatch_get_main_queue(), ^{
+                            failure(self, self.error);
+                        });
+                    }
+                } else {
+                    if (success) {
+                        dispatch_group_async(self.completionGroup ?: http_request_operation_completion_group(), self.completionQueue ?: dispatch_get_main_queue(), ^{
+                            success(self, responseObject);
+                        });
+                    }
+                }
+            }
+
+            if (self.completionGroup) {
+                dispatch_group_leave(self.completionGroup);
+            }
+        });
+    };
+#pragma clang diagnostic pop
+}
+
+#pragma mark - AFURLRequestOperation
+
+- (void)pause {
+    [super pause];
+
+    u_int64_t offset = 0;
+    if ([self.outputStream propertyForKey:NSStreamFileCurrentOffsetKey]) {
+        offset = [(NSNumber *)[self.outputStream propertyForKey:NSStreamFileCurrentOffsetKey] unsignedLongLongValue];
+    } else {
+        offset = [(NSData *)[self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey] length];
+    }
+
+    NSMutableURLRequest *mutableURLRequest = [self.request mutableCopy];
+    if ([self.response respondsToSelector:@selector(allHeaderFields)] && [[self.response allHeaderFields] valueForKey:@"ETag"]) {
+        [mutableURLRequest setValue:[[self.response allHeaderFields] valueForKey:@"ETag"] forHTTPHeaderField:@"If-Range"];
+    }
+    [mutableURLRequest setValue:[NSString stringWithFormat:@"bytes=%llu-", offset] forHTTPHeaderField:@"Range"];
+    self.request = mutableURLRequest;
+}
+
+#pragma mark - NSSecureCoding
+
+ (BOOL)supportsSecureCoding {
+    return YES;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+    self = [super initWithCoder:decoder];
+    if (!self) {
+        return nil;
+    }
+
+    self.responseSerializer = [decoder decodeObjectOfClass:[AFHTTPResponseSerializer class] forKey:NSStringFromSelector(@selector(responseSerializer))];
+
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+    [super encodeWithCoder:coder];
+
+    [coder encodeObject:self.responseSerializer forKey:NSStringFromSelector(@selector(responseSerializer))];
+}
+
+#pragma mark - NSCopying
+
+- (id)copyWithZone:(NSZone *)zone {
+    AFHTTPRequestOperation *operation = [super copyWithZone:zone];
+
+    operation.responseSerializer = [self.responseSerializer copyWithZone:zone];
+    operation.completionQueue = self.completionQueue;
+    operation.completionGroup = self.completionGroup;
+
+    return operation;
+}
+
+@end
--- a/AFNetworking/AFHTTPRequestOperationManager.h
+++ b/AFNetworking/AFHTTPRequestOperationManager.h
@ -0,0 +1,326 @@
+// AFHTTPRequestOperationManager.h
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+#import <SystemConfiguration/SystemConfiguration.h>
+#import <Availability.h>
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+#import <MobileCoreServices/MobileCoreServices.h>
+#else
+#import <CoreServices/CoreServices.h>
+#endif
+
+#import "AFHTTPRequestOperation.h"
+#import "AFURLResponseSerialization.h"
+#import "AFURLRequestSerialization.h"
+#import "AFSecurityPolicy.h"
+#import "AFNetworkReachabilityManager.h"
+
+#ifndef NS_DESIGNATED_INITIALIZER
+#if __has_attribute(objc_designated_initializer)
+#define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
+#else
+#define NS_DESIGNATED_INITIALIZER
+#endif
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ `AFHTTPRequestOperationManager` encapsulates the common patterns of communicating with a web application over HTTP, including request creation, response serialization, network reachability monitoring, and security, as well as request operation management.
+
+ ## Subclassing Notes
+
+ Developers targeting iOS 7 or Mac OS X 10.9 or later that deal extensively with a web service are encouraged to subclass `AFHTTPSessionManager`, providing a class method that returns a shared singleton object on which authentication and other configuration can be shared across the application.
+
+ For developers targeting iOS 6 or Mac OS X 10.8 or earlier, `AFHTTPRequestOperationManager` may be used to similar effect.
+
+ ## Methods to Override
+
+ To change the behavior of all request operation construction for an `AFHTTPRequestOperationManager` subclass, override `HTTPRequestOperationWithRequest:success:failure`.
+
+ ## Serialization
+
+ Requests created by an HTTP client will contain default headers and encode parameters according to the `requestSerializer` property, which is an object conforming to `<AFURLRequestSerialization>`.
+
+ Responses received from the server are automatically validated and serialized by the `responseSerializers` property, which is an object conforming to `<AFURLResponseSerialization>`
+
+ ## URL Construction Using Relative Paths
+
+ For HTTP convenience methods, the request serializer constructs URLs from the path relative to the `-baseURL`, using `NSURL +URLWithString:relativeToURL:`, when provided. If `baseURL` is `nil`, `path` needs to resolve to a valid `NSURL` object using `NSURL +URLWithString:`.
+
+ Below are a few examples of how `baseURL` and relative paths interact:
+
+    NSURL *baseURL = [NSURL URLWithString:@"http://example.com/v1/"];
+    [NSURL URLWithString:@"foo" relativeToURL:baseURL];                  // http://example.com/v1/foo
+    [NSURL URLWithString:@"foo?bar=baz" relativeToURL:baseURL];          // http://example.com/v1/foo?bar=baz
+    [NSURL URLWithString:@"/foo" relativeToURL:baseURL];                 // http://example.com/foo
+    [NSURL URLWithString:@"foo/" relativeToURL:baseURL];                 // http://example.com/v1/foo
+    [NSURL URLWithString:@"/foo/" relativeToURL:baseURL];                // http://example.com/foo/
+    [NSURL URLWithString:@"http://example2.com/" relativeToURL:baseURL]; // http://example2.com/
+
+ Also important to note is that a trailing slash will be added to any `baseURL` without one. This would otherwise cause unexpected behavior when constructing URLs using paths without a leading slash.
+
+ ## Network Reachability Monitoring
+
+ Network reachability status and change monitoring is available through the `reachabilityManager` property. Applications may choose to monitor network reachability conditions in order to prevent or suspend any outbound requests. See `AFNetworkReachabilityManager` for more details.
+
+ ## NSSecureCoding & NSCopying Caveats
+
+ `AFHTTPRequestOperationManager` conforms to the `NSSecureCoding` and `NSCopying` protocols, allowing operations to be archived to disk, and copied in memory, respectively. There are a few minor caveats to keep in mind, however:
+
+ - Archives and copies of HTTP clients will be initialized with an empty operation queue.
+ - NSSecureCoding cannot serialize / deserialize block properties, so an archive of an HTTP client will not include any reachability callback block that may be set.
+ */
+@interface AFHTTPRequestOperationManager : NSObject <NSSecureCoding, NSCopying>
+
+/**
+ The URL used to monitor reachability, and construct requests from relative paths in methods like `requestWithMethod:URLString:parameters:`, and the `GET` / `POST` / et al. convenience methods.
+ */
+@property (readonly, nonatomic, strong, nullable) NSURL *baseURL;
+
+/**
+ Requests created with `requestWithMethod:URLString:parameters:` & `multipartFormRequestWithMethod:URLString:parameters:constructingBodyWithBlock:` are constructed with a set of default headers using a parameter serialization specified by this property. By default, this is set to an instance of `AFHTTPRequestSerializer`, which serializes query string parameters for `GET`, `HEAD`, and `DELETE` requests, or otherwise URL-form-encodes HTTP message bodies.
+
+ @warning `requestSerializer` must not be `nil`.
+ */
+@property (nonatomic, strong) AFHTTPRequestSerializer <AFURLRequestSerialization> * requestSerializer;
+
+/**
+ Responses sent from the server in data tasks created with `dataTaskWithRequest:success:failure:` and run using the `GET` / `POST` / et al. convenience methods are automatically validated and serialized by the response serializer. By default, this property is set to a JSON serializer, which serializes data from responses with a `application/json` MIME type, and falls back to the raw data object. The serializer validates the status code to be in the `2XX` range, denoting success. If the response serializer generates an error in `-responseObjectForResponse:data:error:`, the `failure` callback of the session task or request operation will be executed; otherwise, the `success` callback will be executed.
+
+ @warning `responseSerializer` must not be `nil`.
+ */
+@property (nonatomic, strong) AFHTTPResponseSerializer <AFURLResponseSerialization> * responseSerializer;
+
+/**
+ The operation queue on which request operations are scheduled and run.
+ */
+@property (nonatomic, strong) NSOperationQueue *operationQueue;
+
+///-------------------------------
+/// @name Managing URL Credentials
+///-------------------------------
+
+/**
+ Whether request operations should consult the credential storage for authenticating the connection. `YES` by default.
+
+ @see AFURLConnectionOperation -shouldUseCredentialStorage
+ */
+@property (nonatomic, assign) BOOL shouldUseCredentialStorage;
+
+/**
+ The credential used by request operations for authentication challenges.
+
+ @see AFURLConnectionOperation -credential
+ */
+@property (nonatomic, strong, nullable) NSURLCredential *credential;
+
+///-------------------------------
+/// @name Managing Security Policy
+///-------------------------------
+
+/**
+ The security policy used by created request operations to evaluate server trust for secure connections. `AFHTTPRequestOperationManager` uses the `defaultPolicy` unless otherwise specified.
+ */
+@property (nonatomic, strong) AFSecurityPolicy *securityPolicy;
+
+///------------------------------------
+/// @name Managing Network Reachability
+///------------------------------------
+
+/**
+ The network reachability manager. `AFHTTPRequestOperationManager` uses the `sharedManager` by default.
+ */
+@property (readwrite, nonatomic, strong) AFNetworkReachabilityManager *reachabilityManager;
+
+///-------------------------------
+/// @name Managing Callback Queues
+///-------------------------------
+
+/**
+ The dispatch queue for the `completionBlock` of request operations. If `NULL` (default), the main queue is used.
+ */
+#if OS_OBJECT_USE_OBJC
+@property (nonatomic, strong, nullable) dispatch_queue_t completionQueue;
+#else
+@property (nonatomic, assign, nullable) dispatch_queue_t completionQueue;
+#endif
+
+/**
+ The dispatch group for the `completionBlock` of request operations. If `NULL` (default), a private dispatch group is used.
+ */
+#if OS_OBJECT_USE_OBJC
+@property (nonatomic, strong, nullable) dispatch_group_t completionGroup;
+#else
+@property (nonatomic, assign, nullable) dispatch_group_t completionGroup;
+#endif
+
+///---------------------------------------------
+/// @name Creating and Initializing HTTP Clients
+///---------------------------------------------
+
+/**
+ Creates and returns an `AFHTTPRequestOperationManager` object.
+ */
+ (instancetype)manager;
+
+/**
+ Initializes an `AFHTTPRequestOperationManager` object with the specified base URL.
+
+ This is the designated initializer.
+
+ @param url The base URL for the HTTP client.
+
+ @return The newly-initialized HTTP client
+ */
+- (instancetype)initWithBaseURL:(nullable NSURL *)url NS_DESIGNATED_INITIALIZER;
+
+///---------------------------------------
+/// @name Managing HTTP Request Operations
+///---------------------------------------
+
+/**
+ Creates an `AFHTTPRequestOperation`, and sets the response serializers to that of the HTTP client.
+
+ @param request The request object to be loaded asynchronously during execution of the operation.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the created request operation and the object created from the response data of request.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes two arguments:, the created request operation and the `NSError` object describing the network or parsing error that occurred.
+ */
+- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)request
+                                                    success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                                                    failure:(nullable void (^)(AFHTTPRequestOperation *operation, NSError *error))failure;
+
+///---------------------------
+/// @name Making HTTP Requests
+///---------------------------
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `GET` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)GET:(NSString *)URLString
+                     parameters:(nullable id)parameters
+                        success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                        failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `HEAD` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes a single arguments: the request operation.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)HEAD:(NSString *)URLString
+                      parameters:(nullable id)parameters
+                         success:(nullable void (^)(AFHTTPRequestOperation *operation))success
+                         failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `POST` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)POST:(NSString *)URLString
+                      parameters:(nullable id)parameters
+                         success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                         failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a multipart `POST` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param block A block that takes a single argument and appends data to the HTTP body. The block argument is an object adopting the `AFMultipartFormData` protocol.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)POST:(NSString *)URLString
+                      parameters:(nullable id)parameters
+       constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block
+                         success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                         failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `PUT` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)PUT:(NSString *)URLString
+                     parameters:(nullable id)parameters
+                        success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                        failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `PATCH` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)PATCH:(NSString *)URLString
+                       parameters:(nullable id)parameters
+                          success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                          failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+/**
+ Creates and runs an `AFHTTPRequestOperation` with a `DELETE` request.
+
+ @param URLString The URL string used to create the request URL.
+ @param parameters The parameters to be encoded according to the client request serializer.
+ @param success A block object to be executed when the request operation finishes successfully. This block has no return value and takes two arguments: the request operation, and the response object created by the client response serializer.
+ @param failure A block object to be executed when the request operation finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the request operation and the error describing the network or parsing error that occurred.
+
+ @see -HTTPRequestOperationWithRequest:success:failure:
+ */
+- (nullable AFHTTPRequestOperation *)DELETE:(NSString *)URLString
+                        parameters:(nullable id)parameters
+                           success:(nullable void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                           failure:(nullable void (^)(AFHTTPRequestOperation * __nullable operation, NSError *error))failure;
+
+@end
+
+NS_ASSUME_NONNULL_END
--- a/AFNetworking/AFHTTPRequestOperationManager.m
+++ b/AFNetworking/AFHTTPRequestOperationManager.m
@ -0,0 +1,290 @@
+// AFHTTPRequestOperationManager.m
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import "AFHTTPRequestOperationManager.h"
+#import "AFHTTPRequestOperation.h"
+
+#import <Availability.h>
+#import <Security/Security.h>
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+#import <UIKit/UIKit.h>
+#endif
+
+@interface AFHTTPRequestOperationManager ()
+@property (readwrite, nonatomic, strong) NSURL *baseURL;
+@end
+
+@implementation AFHTTPRequestOperationManager
+
+ (instancetype)manager {
+    return [[self alloc] initWithBaseURL:nil];
+}
+
+- (instancetype)init {
+    return [self initWithBaseURL:nil];
+}
+
+- (instancetype)initWithBaseURL:(NSURL *)url {
+    self = [super init];
+    if (!self) {
+        return nil;
+    }
+
+    // Ensure terminal slash for baseURL path, so that NSURL +URLWithString:relativeToURL: works as expected
+    if ([[url path] length] > 0 && ![[url absoluteString] hasSuffix:@"/"]) {
+        url = [url URLByAppendingPathComponent:@""];
+    }
+
+    self.baseURL = url;
+
+    self.requestSerializer = [AFHTTPRequestSerializer serializer];
+    self.responseSerializer = [AFJSONResponseSerializer serializer];
+
+    self.securityPolicy = [AFSecurityPolicy defaultPolicy];
+
+    self.reachabilityManager = [AFNetworkReachabilityManager sharedManager];
+
+    self.operationQueue = [[NSOperationQueue alloc] init];
+
+    self.shouldUseCredentialStorage = YES;
+
+    return self;
+}
+
+#pragma mark -
+
+#ifdef _SYSTEMCONFIGURATION_H
+#endif
+
+- (void)setRequestSerializer:(AFHTTPRequestSerializer <AFURLRequestSerialization> *)requestSerializer {
+    NSParameterAssert(requestSerializer);
+
+    _requestSerializer = requestSerializer;
+}
+
+- (void)setResponseSerializer:(AFHTTPResponseSerializer <AFURLResponseSerialization> *)responseSerializer {
+    NSParameterAssert(responseSerializer);
+
+    _responseSerializer = responseSerializer;
+}
+
+#pragma mark -
+
+- (AFHTTPRequestOperation *)HTTPRequestOperationWithHTTPMethod:(NSString *)method
+                                                     URLString:(NSString *)URLString
+                                                    parameters:(id)parameters
+                                                       success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                                                       failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    NSError *serializationError = nil;
+    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:method URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters error:&serializationError];
+    if (serializationError) {
+        if (failure) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
+            dispatch_async(self.completionQueue ?: dispatch_get_main_queue(), ^{
+                failure(nil, serializationError);
+            });
+#pragma clang diagnostic pop
+        }
+
+        return nil;
+    }
+
+    return [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+}
+
+- (AFHTTPRequestOperation *)HTTPRequestOperationWithRequest:(NSURLRequest *)request
+                                                    success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                                                    failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [[AFHTTPRequestOperation alloc] initWithRequest:request];
+    operation.responseSerializer = self.responseSerializer;
+    operation.shouldUseCredentialStorage = self.shouldUseCredentialStorage;
+    operation.credential = self.credential;
+    operation.securityPolicy = self.securityPolicy;
+
+    [operation setCompletionBlockWithSuccess:success failure:failure];
+    operation.completionQueue = self.completionQueue;
+    operation.completionGroup = self.completionGroup;
+
+    return operation;
+}
+
+#pragma mark -
+
+- (AFHTTPRequestOperation *)GET:(NSString *)URLString
+                     parameters:(id)parameters
+                        success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"GET" URLString:URLString parameters:parameters success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)HEAD:(NSString *)URLString
+                      parameters:(id)parameters
+                         success:(void (^)(AFHTTPRequestOperation *operation))success
+                         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"HEAD" URLString:URLString parameters:parameters success:^(AFHTTPRequestOperation *requestOperation, __unused id responseObject) {
+        if (success) {
+            success(requestOperation);
+        }
+    } failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)POST:(NSString *)URLString
+                      parameters:(id)parameters
+                         success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"POST" URLString:URLString parameters:parameters success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)POST:(NSString *)URLString
+                      parameters:(id)parameters
+       constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block
+                         success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                         failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    NSError *serializationError = nil;
+    NSMutableURLRequest *request = [self.requestSerializer multipartFormRequestWithMethod:@"POST" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters constructingBodyWithBlock:block error:&serializationError];
+    if (serializationError) {
+        if (failure) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
+            dispatch_async(self.completionQueue ?: dispatch_get_main_queue(), ^{
+                failure(nil, serializationError);
+            });
+#pragma clang diagnostic pop
+        }
+
+        return nil;
+    }
+
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithRequest:request success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)PUT:(NSString *)URLString
+                     parameters:(id)parameters
+                        success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                        failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"PUT" URLString:URLString parameters:parameters success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)PATCH:(NSString *)URLString
+                       parameters:(id)parameters
+                          success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                          failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"PATCH" URLString:URLString parameters:parameters success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+- (AFHTTPRequestOperation *)DELETE:(NSString *)URLString
+                        parameters:(id)parameters
+                           success:(void (^)(AFHTTPRequestOperation *operation, id __nullable responseObject))success
+                           failure:(void (^)(AFHTTPRequestOperation *operation, NSError *error))failure
+{
+    AFHTTPRequestOperation *operation = [self HTTPRequestOperationWithHTTPMethod:@"DELETE" URLString:URLString parameters:parameters success:success failure:failure];
+
+    [self.operationQueue addOperation:operation];
+
+    return operation;
+}
+
+#pragma mark - NSObject
+
+- (NSString *)description {
+    return [NSString stringWithFormat:@"<%@: %p, baseURL: %@, operationQueue: %@>", NSStringFromClass([self class]), self, [self.baseURL absoluteString], self.operationQueue];
+}
+
+#pragma mark - NSSecureCoding
+
+ (BOOL)supportsSecureCoding {
+    return YES;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+    NSURL *baseURL = [decoder decodeObjectForKey:NSStringFromSelector(@selector(baseURL))];
+
+    self = [self initWithBaseURL:baseURL];
+    if (!self) {
+        return nil;
+    }
+
+    self.requestSerializer = [decoder decodeObjectOfClass:[AFHTTPRequestSerializer class] forKey:NSStringFromSelector(@selector(requestSerializer))];
+    self.responseSerializer = [decoder decodeObjectOfClass:[AFHTTPResponseSerializer class] forKey:NSStringFromSelector(@selector(responseSerializer))];
+    AFSecurityPolicy *decodedPolicy = [decoder decodeObjectOfClass:[AFSecurityPolicy class] forKey:NSStringFromSelector(@selector(securityPolicy))];
+    if (decodedPolicy) {
+        self.securityPolicy = decodedPolicy;
+    }
+
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+    [coder encodeObject:self.baseURL forKey:NSStringFromSelector(@selector(baseURL))];
+    [coder encodeObject:self.requestSerializer forKey:NSStringFromSelector(@selector(requestSerializer))];
+    [coder encodeObject:self.responseSerializer forKey:NSStringFromSelector(@selector(responseSerializer))];
+    [coder encodeObject:self.securityPolicy forKey:NSStringFromSelector(@selector(securityPolicy))];
+}
+
+#pragma mark - NSCopying
+
+- (id)copyWithZone:(NSZone *)zone {
+    AFHTTPRequestOperationManager *HTTPClient = [[[self class] allocWithZone:zone] initWithBaseURL:self.baseURL];
+
+    HTTPClient.requestSerializer = [self.requestSerializer copyWithZone:zone];
+    HTTPClient.responseSerializer = [self.responseSerializer copyWithZone:zone];
+    HTTPClient.securityPolicy = [self.securityPolicy copyWithZone:zone];
+
+    return HTTPClient;
+}
+
+@end
--- a/AFNetworking/AFHTTPSessionManager.h
+++ b/AFNetworking/AFHTTPSessionManager.h
@ -1,5 +1,5 @@
 // AFHTTPSessionManager.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -23,9 +23,9 @@
 #if !TARGET_OS_WATCH
 #import <SystemConfiguration/SystemConfiguration.h>
 #endif
-#import <TargetConditionals.h>
+#import <Availability.h>

-#if TARGET_OS_IOS || TARGET_OS_WATCH || TARGET_OS_TV
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
 #import <MobileCoreServices/MobileCoreServices.h>
 #else
 #import <CoreServices/CoreServices.h>
@ -33,6 +33,14 @@

 #import "AFURLSessionManager.h"

+#ifndef NS_DESIGNATED_INITIALIZER
+#if __has_attribute(objc_designated_initializer)
+#define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
+#else
+#define NS_DESIGNATED_INITIALIZER
+#endif
+#endif
+
 /**
 `AFHTTPSessionManager` is a subclass of `AFURLSessionManager` with convenience methods for making HTTP requests. When a `baseURL` is provided, requests made with the `GET` / `POST` / et al. convenience methods can be made with relative paths.

@ -44,7 +52,7 @@

 ## Methods to Override

- To change the behavior of all data task operation construction, which is also used in the `GET` / `POST` / et al. convenience methods, override `dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:`.
+ To change the behavior of all data task operation construction, which is also used in the `GET` / `POST` / et al. convenience methods, override `dataTaskWithRequest:completionHandler:`.

 ## Serialization

@ -71,6 +79,8 @@
 @warning Managers for background sessions must be owned for the duration of their use. This can be accomplished by creating an application-wide or shared singleton instance.
 */

+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090) || TARGET_OS_WATCH
+
 NS_ASSUME_NONNULL_BEGIN

@interface AFHTTPSessionManager : AFURLSessionManager <NSSecureCoding, NSCopying>
@ -94,15 +104,6 @@ NS_ASSUME_NONNULL_BEGIN
 */
@property (nonatomic, strong) AFHTTPResponseSerializer <AFURLResponseSerialization> * responseSerializer;

-///-------------------------------
-/// @name Managing Security Policy
-///-------------------------------
-
-/**
- The security policy used by created session to evaluate server trust for secure connections. `AFURLSessionManager` uses the `defaultPolicy` unless otherwise specified. A security policy configured with `AFSSLPinningModePublicKey` or `AFSSLPinningModeCertificate` can only be applied on a session manager initialized with a secure base URL (i.e. https). Applying a security policy with pinning enabled on an insecure session manager throws an `Invalid Security Policy` exception.
- */
-@property (nonatomic, strong) AFSecurityPolicy *securityPolicy;
-
 ///---------------------
 /// @name Initialization
 ///---------------------
@ -150,45 +151,8 @@ NS_ASSUME_NONNULL_BEGIN
 */
 - (nullable NSURLSessionDataTask *)GET:(NSString *)URLString
                   parameters:(nullable id)parameters
-                      success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                      failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `GET` request.
-
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param downloadProgress A block object to be executed when the download progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
-
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)GET:(NSString *)URLString
-                            parameters:(nullable id)parameters
-                              progress:(nullable void (^)(NSProgress *downloadProgress))downloadProgress
-                               success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                               failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `GET` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param downloadProgress A block object to be executed when the download progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)GET:(NSString *)URLString
-                            parameters:(nullable id)parameters
-                               headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                              progress:(nullable void (^)(NSProgress *downloadProgress))downloadProgress
-                               success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                               failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                      success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                      failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a `HEAD` request.
@ -203,24 +167,7 @@ NS_ASSUME_NONNULL_BEGIN
 - (nullable NSURLSessionDataTask *)HEAD:(NSString *)URLString
                    parameters:(nullable id)parameters
                       success:(nullable void (^)(NSURLSessionDataTask *task))success
-                       failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `HEAD` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes a single arguments: the data task.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:completionHandler:
- */
- (nullable NSURLSessionDataTask *)HEAD:(NSString *)URLString
-                             parameters:(nullable id)parameters
-                                headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                                success:(nullable void (^)(NSURLSessionDataTask *task))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                       failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a `POST` request.
@ -234,44 +181,8 @@ NS_ASSUME_NONNULL_BEGIN
 */
 - (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(nullable id)parameters
-                       success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                       failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `POST` request.
-
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param uploadProgress A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
-
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
-                             parameters:(nullable id)parameters
-                               progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgress
-                                success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `POST` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param uploadProgress A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
-                             parameters:(nullable id)parameters
-                                headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                               progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgress
-                                success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                       success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                       failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a multipart `POST` request.
@ -287,47 +198,8 @@ NS_ASSUME_NONNULL_BEGIN
 - (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(nullable id)parameters
     constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block
-                       success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                       failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a multipart `POST` request.
-
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param block A block that takes a single argument and appends data to the HTTP body. The block argument is an object adopting the `AFMultipartFormData` protocol.
- @param uploadProgress A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
-
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
-                             parameters:(nullable id)parameters
-              constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block
-                               progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgress
-                                success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-/**
- Creates and runs an `NSURLSessionDataTask` with a multipart `POST` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param block A block that takes a single argument and appends data to the HTTP body. The block argument is an object adopting the `AFMultipartFormData` protocol.
- @param uploadProgress A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:uploadProgress:downloadProgress:completionHandler:
- */
- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
-                             parameters:(nullable id)parameters
-                                headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-              constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block
-                               progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgress
-                                success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                       success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                       failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a `PUT` request.
@ -341,25 +213,8 @@ NS_ASSUME_NONNULL_BEGIN
 */
 - (nullable NSURLSessionDataTask *)PUT:(NSString *)URLString
                   parameters:(nullable id)parameters
-                      success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                      failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `PUT` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:completionHandler:
- */
- (nullable NSURLSessionDataTask *)PUT:(NSString *)URLString
-                            parameters:(nullable id)parameters
-                               headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                               success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                               failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                      success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                      failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a `PATCH` request.
@ -373,25 +228,8 @@ NS_ASSUME_NONNULL_BEGIN
 */
 - (nullable NSURLSessionDataTask *)PATCH:(NSString *)URLString
                     parameters:(nullable id)parameters
-                        success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                        failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `PATCH` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:completionHandler:
- */
- (nullable NSURLSessionDataTask *)PATCH:(NSString *)URLString
-                              parameters:(nullable id)parameters
-                                 headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                                 success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                 failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                        success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                        failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

 /**
 Creates and runs an `NSURLSessionDataTask` with a `DELETE` request.
@ -405,26 +243,11 @@ NS_ASSUME_NONNULL_BEGIN
 */
 - (nullable NSURLSessionDataTask *)DELETE:(NSString *)URLString
                      parameters:(nullable id)parameters
-                         success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                         failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure DEPRECATED_ATTRIBUTE;
-
-/**
- Creates and runs an `NSURLSessionDataTask` with a `DELETE` request.
- 
- @param URLString The URL string used to create the request URL.
- @param parameters The parameters to be encoded according to the client request serializer.
- @param headers The headers appended to the default headers for this request.
- @param success A block object to be executed when the task finishes successfully. This block has no return value and takes two arguments: the data task, and the response object created by the client response serializer.
- @param failure A block object to be executed when the task finishes unsuccessfully, or that finishes successfully, but encountered an error while parsing the response data. This block has no return value and takes a two arguments: the data task and the error describing the network or parsing error that occurred.
- 
- @see -dataTaskWithRequest:completionHandler:
- */
- (nullable NSURLSessionDataTask *)DELETE:(NSString *)URLString
-                               parameters:(nullable id)parameters
-                                  headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                                  success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                  failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure;
+                         success:(nullable void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
+                         failure:(nullable void (^)(NSURLSessionDataTask * __nullable task, NSError *error))failure;

@end

 NS_ASSUME_NONNULL_END
+
+#endif
--- a/AFNetworking/AFHTTPSessionManager.m
+++ b/AFNetworking/AFHTTPSessionManager.m
@ -1,5 +1,5 @@
 // AFHTTPSessionManager.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -21,20 +21,23 @@

 #import "AFHTTPSessionManager.h"

+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090) || TARGET_WATCH_OS
+
 #import "AFURLRequestSerialization.h"
 #import "AFURLResponseSerialization.h"

 #import <Availability.h>
-#import <TargetConditionals.h>
 #import <Security/Security.h>

+#ifdef _SYSTEMCONFIGURATION_H
 #import <netinet/in.h>
 #import <netinet6/in6.h>
 #import <arpa/inet.h>
 #import <ifaddrs.h>
 #import <netdb.h>
+#endif

-#if TARGET_OS_IOS || TARGET_OS_TV
+#if TARGET_OS_IOS
 #import <UIKit/UIKit.h>
 #elif TARGET_OS_WATCH
 #import <WatchKit/WatchKit.h>
@ -86,6 +89,9 @@

 #pragma mark -

+#ifdef _SYSTEMCONFIGURATION_H
+#endif
+
 - (void)setRequestSerializer:(AFHTTPRequestSerializer <AFURLRequestSerialization> *)requestSerializer {
    NSParameterAssert(requestSerializer);

@ -98,63 +104,17 @@
    [super setResponseSerializer:responseSerializer];
 }

-@dynamic securityPolicy;
-
- (void)setSecurityPolicy:(AFSecurityPolicy *)securityPolicy {
-    if (securityPolicy.SSLPinningMode != AFSSLPinningModeNone && ![self.baseURL.scheme isEqualToString:@"https"]) {
-        NSString *pinningMode = @"Unknown Pinning Mode";
-        switch (securityPolicy.SSLPinningMode) {
-            case AFSSLPinningModeNone:        pinningMode = @"AFSSLPinningModeNone"; break;
-            case AFSSLPinningModeCertificate: pinningMode = @"AFSSLPinningModeCertificate"; break;
-            case AFSSLPinningModePublicKey:   pinningMode = @"AFSSLPinningModePublicKey"; break;
-        }
-        NSString *reason = [NSString stringWithFormat:@"A security policy configured with `%@` can only be applied on a manager with a secure base URL (i.e. https)", pinningMode];
-        @throw [NSException exceptionWithName:@"Invalid Security Policy" reason:reason userInfo:nil];
-    }
-
-    [super setSecurityPolicy:securityPolicy];
-}
-
 #pragma mark -

 - (NSURLSessionDataTask *)GET:(NSString *)URLString
                   parameters:(id)parameters
-                      success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                      success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                      failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"GET" URLString:URLString parameters:parameters success:success failure:failure];

-    return [self GET:URLString parameters:parameters headers:nil progress:nil success:success failure:failure];
-}
-
- (NSURLSessionDataTask *)GET:(NSString *)URLString
-                   parameters:(id)parameters
-                     progress:(void (^)(NSProgress * _Nonnull))downloadProgress
-                      success:(void (^)(NSURLSessionDataTask * _Nonnull, id _Nullable))success
-                      failure:(void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
-{
-
-    return [self GET:URLString parameters:parameters headers:nil progress:downloadProgress success:success failure:failure];
-}
-
- (NSURLSessionDataTask *)GET:(NSString *)URLString
-                   parameters:(id)parameters
-                      headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                     progress:(void (^)(NSProgress * _Nonnull))downloadProgress
-                      success:(void (^)(NSURLSessionDataTask * _Nonnull, id _Nullable))success
-                      failure:(void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
-{
-    
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"GET"
-                                                        URLString:URLString
-                                                       parameters:parameters
-                                                          headers:headers
-                                                   uploadProgress:nil
-                                                 downloadProgress:downloadProgress
-                                                          success:success
-                                                          failure:failure];
-    
    [dataTask resume];
-    
+
    return dataTask;
 }

@ -163,99 +123,51 @@
                       success:(void (^)(NSURLSessionDataTask *task))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
-    return [self HEAD:URLString parameters:parameters headers:nil success:success failure:failure];
-}
-
- (NSURLSessionDataTask *)HEAD:(NSString *)URLString
-                    parameters:(id)parameters
-                       headers:(NSDictionary<NSString *,NSString *> *)headers
-                       success:(void (^)(NSURLSessionDataTask * _Nonnull))success
-                       failure:(void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
-{
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"HEAD" URLString:URLString parameters:parameters headers:headers uploadProgress:nil downloadProgress:nil success:^(NSURLSessionDataTask *task, __unused id responseObject) {
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"HEAD" URLString:URLString parameters:parameters success:^(NSURLSessionDataTask *task, __unused id responseObject) {
        if (success) {
            success(task);
        }
    } failure:failure];
-    
+
    [dataTask resume];
-    
+
    return dataTask;
 }

 - (NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(id)parameters
-                       success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                       success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
-    return [self POST:URLString parameters:parameters headers:nil progress:nil success:success failure:failure];
-}
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"POST" URLString:URLString parameters:parameters success:success failure:failure];

- (NSURLSessionDataTask *)POST:(NSString *)URLString
-                    parameters:(id)parameters
-                      progress:(void (^)(NSProgress * _Nonnull))uploadProgress
-                       success:(void (^)(NSURLSessionDataTask * _Nonnull, id _Nullable))success
-                       failure:(void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
-{
-    return [self POST:URLString parameters:parameters headers:nil progress:uploadProgress success:success failure:failure];
-}
-
- (nullable NSURLSessionDataTask *)POST:(NSString *)URLString
-                             parameters:(nullable id)parameters
-                                headers:(nullable NSDictionary <NSString *, NSString *> *)headers
-                               progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgress
-                                success:(nullable void (^)(NSURLSessionDataTask *task, id _Nullable responseObject))success
-                                failure:(nullable void (^)(NSURLSessionDataTask * _Nullable task, NSError *error))failure
-{
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"POST" URLString:URLString parameters:parameters headers:headers uploadProgress:uploadProgress downloadProgress:nil success:success failure:failure];
-    
    [dataTask resume];
-    
-    return dataTask;
-}

- (NSURLSessionDataTask *)POST:(NSString *)URLString
-                    parameters:(nullable id)parameters
-     constructingBodyWithBlock:(nullable void (^)(id<AFMultipartFormData> _Nonnull))block
-                       success:(nullable void (^)(NSURLSessionDataTask * _Nonnull, id _Nullable))success
-                       failure:(nullable void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
-{
-    return [self POST:URLString parameters:parameters headers:nil constructingBodyWithBlock:block progress:nil success:success failure:failure];
+    return dataTask;
 }

 - (NSURLSessionDataTask *)POST:(NSString *)URLString
                    parameters:(id)parameters
     constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block
-                      progress:(nullable void (^)(NSProgress * _Nonnull))uploadProgress
-                       success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                       success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                       failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
-{
-    return [self POST:URLString parameters:parameters headers:nil constructingBodyWithBlock:block progress:uploadProgress success:success failure:failure];
-}
-
- (NSURLSessionDataTask *)POST:(NSString *)URLString
-                    parameters:(id)parameters
-                       headers:(NSDictionary<NSString *,NSString *> *)headers
-     constructingBodyWithBlock:(void (^)(id<AFMultipartFormData> _Nonnull))block
-                      progress:(void (^)(NSProgress * _Nonnull))uploadProgress
-                       success:(void (^)(NSURLSessionDataTask * _Nonnull, id _Nullable))success failure:(void (^)(NSURLSessionDataTask * _Nullable, NSError * _Nonnull))failure
 {
    NSError *serializationError = nil;
    NSMutableURLRequest *request = [self.requestSerializer multipartFormRequestWithMethod:@"POST" URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters constructingBodyWithBlock:block error:&serializationError];
-    for (NSString *headerField in headers.keyEnumerator) {
-        [request addValue:headers[headerField] forHTTPHeaderField:headerField];
-    }
    if (serializationError) {
        if (failure) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
            dispatch_async(self.completionQueue ?: dispatch_get_main_queue(), ^{
                failure(nil, serializationError);
            });
+#pragma clang diagnostic pop
        }
-        
+
        return nil;
    }
-    
-    __block NSURLSessionDataTask *task = [self uploadTaskWithStreamedRequest:request progress:uploadProgress completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
+
+    __block NSURLSessionDataTask *task = [self uploadTaskWithStreamedRequest:request progress:nil completionHandler:^(NSURLResponse * __unused response, id __nullable responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(task, error);
@ -266,104 +178,71 @@
            }
        }
    }];
-    
+
    [task resume];
-    
+
    return task;
 }

 - (NSURLSessionDataTask *)PUT:(NSString *)URLString
                   parameters:(id)parameters
-                      success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                      success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                      failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
-    return [self PUT:URLString parameters:parameters headers:nil success:success failure:failure];
-}
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"PUT" URLString:URLString parameters:parameters success:success failure:failure];

- (NSURLSessionDataTask *)PUT:(NSString *)URLString
-                   parameters:(id)parameters
-                      headers:(NSDictionary<NSString *,NSString *> *)headers
-                      success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
-                      failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
-{
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"PUT" URLString:URLString parameters:parameters headers:headers uploadProgress:nil downloadProgress:nil success:success failure:failure];
-    
    [dataTask resume];
-    
+
    return dataTask;
 }

 - (NSURLSessionDataTask *)PATCH:(NSString *)URLString
                     parameters:(id)parameters
-                        success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                        success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                        failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
-    return [self PATCH:URLString parameters:parameters headers:nil success:success failure:failure];
-}
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"PATCH" URLString:URLString parameters:parameters success:success failure:failure];

- (NSURLSessionDataTask *)PATCH:(NSString *)URLString
-                     parameters:(id)parameters
-                        headers:(NSDictionary<NSString *,NSString *> *)headers
-                        success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
-                        failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
-{
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"PATCH" URLString:URLString parameters:parameters headers:headers uploadProgress:nil downloadProgress:nil success:success failure:failure];
-    
    [dataTask resume];
-    
+
    return dataTask;
 }

 - (NSURLSessionDataTask *)DELETE:(NSString *)URLString
                      parameters:(id)parameters
-                         success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
+                         success:(void (^)(NSURLSessionDataTask *task, id __nullable responseObject))success
                         failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
 {
-    return [self DELETE:URLString parameters:parameters headers:nil success:success failure:failure];
-}
+    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"DELETE" URLString:URLString parameters:parameters success:success failure:failure];

- (NSURLSessionDataTask *)DELETE:(NSString *)URLString
-                      parameters:(id)parameters
-                         headers:(NSDictionary<NSString *,NSString *> *)headers
-                         success:(void (^)(NSURLSessionDataTask *task, id responseObject))success
-                         failure:(void (^)(NSURLSessionDataTask *task, NSError *error))failure
-{
-    NSURLSessionDataTask *dataTask = [self dataTaskWithHTTPMethod:@"DELETE" URLString:URLString parameters:parameters headers:headers uploadProgress:nil downloadProgress:nil success:success failure:failure];
-    
    [dataTask resume];
-    
+
    return dataTask;
 }

 - (NSURLSessionDataTask *)dataTaskWithHTTPMethod:(NSString *)method
                                       URLString:(NSString *)URLString
                                      parameters:(id)parameters
-                                         headers:(NSDictionary <NSString *, NSString *> *)headers
-                                  uploadProgress:(nullable void (^)(NSProgress *uploadProgress)) uploadProgress
-                                downloadProgress:(nullable void (^)(NSProgress *downloadProgress)) downloadProgress
                                         success:(void (^)(NSURLSessionDataTask *, id))success
                                         failure:(void (^)(NSURLSessionDataTask *, NSError *))failure
 {
    NSError *serializationError = nil;
    NSMutableURLRequest *request = [self.requestSerializer requestWithMethod:method URLString:[[NSURL URLWithString:URLString relativeToURL:self.baseURL] absoluteString] parameters:parameters error:&serializationError];
-    for (NSString *headerField in headers.keyEnumerator) {
-        [request addValue:headers[headerField] forHTTPHeaderField:headerField];
-    }
    if (serializationError) {
        if (failure) {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
            dispatch_async(self.completionQueue ?: dispatch_get_main_queue(), ^{
                failure(nil, serializationError);
            });
+#pragma clang diagnostic pop
        }

        return nil;
    }

    __block NSURLSessionDataTask *dataTask = nil;
-    dataTask = [self dataTaskWithRequest:request
-                          uploadProgress:uploadProgress
-                        downloadProgress:downloadProgress
-                       completionHandler:^(NSURLResponse * __unused response, id responseObject, NSError *error) {
+    dataTask = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * __unused response, id __nullable responseObject, NSError *error) {
        if (error) {
            if (failure) {
                failure(dataTask, error);
@ -390,7 +269,7 @@
    return YES;
 }

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    NSURL *baseURL = [decoder decodeObjectOfClass:[NSURL class] forKey:NSStringFromSelector(@selector(baseURL))];
    NSURLSessionConfiguration *configuration = [decoder decodeObjectOfClass:[NSURLSessionConfiguration class] forKey:@"sessionConfiguration"];
    if (!configuration) {
@ -435,7 +314,7 @@

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFHTTPSessionManager *HTTPClient = [[[self class] allocWithZone:zone] initWithBaseURL:self.baseURL sessionConfiguration:self.session.configuration];

    HTTPClient.requestSerializer = [self.requestSerializer copyWithZone:zone];
@ -445,3 +324,5 @@
 }

@end
+
+#endif
--- a/AFNetworking/AFNetworkReachabilityManager.h
+++ b/AFNetworking/AFNetworkReachabilityManager.h
@ -1,5 +1,5 @@
 // AFNetworkReachabilityManager.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -24,6 +24,14 @@
 #if !TARGET_OS_WATCH
 #import <SystemConfiguration/SystemConfiguration.h>

+#ifndef NS_DESIGNATED_INITIALIZER
+#if __has_attribute(objc_designated_initializer)
+#define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
+#else
+#define NS_DESIGNATED_INITIALIZER
+#endif
+#endif
+
 typedef NS_ENUM(NSInteger, AFNetworkReachabilityStatus) {
    AFNetworkReachabilityStatusUnknown          = -1,
    AFNetworkReachabilityStatusNotReachable     = 0,
@ -38,7 +46,7 @@ NS_ASSUME_NONNULL_BEGIN

 Reachability can be used to determine background information about why a network operation failed, or to trigger a network operation retrying when a connection is established. It should not be used to prevent a user from initiating a network request, as it's possible that an initial request may be required to establish reachability.

- See Apple's Reachability Sample Code ( https://developer.apple.com/library/ios/samplecode/reachability/ )
+ See Apple's Reachability Sample Code (https://developer.apple.com/library/ios/samplecode/reachability/)

 @warning Instances of `AFNetworkReachabilityManager` must be started with `-startMonitoring` before reachability status can be determined.
 */
@ -73,13 +81,6 @@ NS_ASSUME_NONNULL_BEGIN
 */
 + (instancetype)sharedManager;

-/**
- Creates and returns a network reachability manager with the default socket address.
- 
- @return An initialized network reachability manager, actively monitoring the default socket address.
- */
-+ (instancetype)manager;
-
 /**
 Creates and returns a network reachability manager for the specified domain.

@ -92,7 +93,7 @@ NS_ASSUME_NONNULL_BEGIN
 /**
 Creates and returns a network reachability manager for the socket address.

- @param address The socket address (`sockaddr_in6`) used to evaluate network reachability.
+ @param address The socket address (`sockaddr_in`) used to evaluate network reachability.

 @return An initialized network reachability manager, actively monitoring the specified socket address.
 */
--- a/AFNetworking/AFNetworkReachabilityManager.m
+++ b/AFNetworking/AFNetworkReachabilityManager.m
@ -1,5 +1,5 @@
 // AFNetworkReachabilityManager.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -32,7 +32,6 @@ NSString * const AFNetworkingReachabilityDidChangeNotification = @"com.alamofire
 NSString * const AFNetworkingReachabilityNotificationStatusItem = @"AFNetworkingReachabilityNotificationStatusItem";

 typedef void (^AFNetworkReachabilityStatusBlock)(AFNetworkReachabilityStatus status);
-typedef AFNetworkReachabilityManager * (^AFNetworkReachabilityStatusCallback)(AFNetworkReachabilityStatus status);

 NSString * AFStringFromNetworkReachabilityStatus(AFNetworkReachabilityStatus status) {
    switch (status) {
@ -79,24 +78,22 @@ static AFNetworkReachabilityStatus AFNetworkReachabilityStatusForFlags(SCNetwork
 * a queued notification (for an earlier status condition) is processed after
 * the later update, resulting in the listener being left in the wrong state.
 */
-static void AFPostReachabilityStatusChange(SCNetworkReachabilityFlags flags, AFNetworkReachabilityStatusCallback block) {
+static void AFPostReachabilityStatusChange(SCNetworkReachabilityFlags flags, AFNetworkReachabilityStatusBlock block) {
    AFNetworkReachabilityStatus status = AFNetworkReachabilityStatusForFlags(flags);
    dispatch_async(dispatch_get_main_queue(), ^{
-        AFNetworkReachabilityManager *manager = nil;
        if (block) {
-            manager = block(status);
+            block(status);
        }
        NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
        NSDictionary *userInfo = @{ AFNetworkingReachabilityNotificationStatusItem: @(status) };
-        [notificationCenter postNotificationName:AFNetworkingReachabilityDidChangeNotification object:manager userInfo:userInfo];
+        [notificationCenter postNotificationName:AFNetworkingReachabilityDidChangeNotification object:nil userInfo:userInfo];
    });
 }

 static void AFNetworkReachabilityCallback(SCNetworkReachabilityRef __unused target, SCNetworkReachabilityFlags flags, void *info) {
-    AFPostReachabilityStatusChange(flags, (__bridge AFNetworkReachabilityStatusCallback)info);
+    AFPostReachabilityStatusChange(flags, (__bridge AFNetworkReachabilityStatusBlock)info);
 }

-
 static const void * AFNetworkReachabilityRetainCallback(const void *info) {
    return Block_copy(info);
 }
@ -119,7 +116,12 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
    static AFNetworkReachabilityManager *_sharedManager = nil;
    static dispatch_once_t onceToken;
    dispatch_once(&onceToken, ^{
-        _sharedManager = [self manager];
+        struct sockaddr_in address;
+        bzero(&address, sizeof(address));
+        address.sin_len = sizeof(address);
+        address.sin_family = AF_INET;
+
+        _sharedManager = [self managerForAddress:&address];
    });

    return _sharedManager;
@ -144,22 +146,6 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
    return manager;
 }

-+ (instancetype)manager
-{
-#if (defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED >= 90000) || (defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED >= 101100)
-    struct sockaddr_in6 address;
-    bzero(&address, sizeof(address));
-    address.sin6_len = sizeof(address);
-    address.sin6_family = AF_INET6;
-#else
-    struct sockaddr_in address;
-    bzero(&address, sizeof(address));
-    address.sin_len = sizeof(address);
-    address.sin_family = AF_INET;
-#endif
-    return [self managerForAddress:&address];
-}
-
 - (instancetype)initWithReachability:(SCNetworkReachabilityRef)reachability {
    self = [super init];
    if (!self) {
@ -172,7 +158,7 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
    return self;
 }

- (instancetype)init
+- (instancetype)init NS_UNAVAILABLE
 {
    @throw [NSException exceptionWithName:NSGenericException
                                   reason:@"`-init` unavailable. Use `-initWithReachability:` instead"
@ -212,15 +198,14 @@ static void AFNetworkReachabilityReleaseCallback(const void *info) {
    }

    __weak __typeof(self)weakSelf = self;
-    AFNetworkReachabilityStatusCallback callback = ^(AFNetworkReachabilityStatus status) {
+    AFNetworkReachabilityStatusBlock callback = ^(AFNetworkReachabilityStatus status) {
        __strong __typeof(weakSelf)strongSelf = weakSelf;

        strongSelf.networkReachabilityStatus = status;
        if (strongSelf.networkReachabilityStatusBlock) {
            strongSelf.networkReachabilityStatusBlock(status);
        }
-        
-        return strongSelf;
+
    };

    SCNetworkReachabilityContext context = {0, (__bridge void *)callback, AFNetworkReachabilityRetainCallback, AFNetworkReachabilityReleaseCallback, NULL};
--- a/AFNetworking/AFNetworking.h
+++ b/AFNetworking/AFNetworking.h
@ -22,7 +22,6 @@

 #import <Foundation/Foundation.h>
 #import <Availability.h>
-#import <TargetConditionals.h>

 #ifndef _AFNETWORKING_
    #define _AFNETWORKING_
@ -30,12 +29,18 @@
    #import "AFURLRequestSerialization.h"
    #import "AFURLResponseSerialization.h"
    #import "AFSecurityPolicy.h"
-
 #if !TARGET_OS_WATCH
    #import "AFNetworkReachabilityManager.h"
+    #import "AFURLConnectionOperation.h"
+    #import "AFHTTPRequestOperation.h"
+    #import "AFHTTPRequestOperationManager.h"
 #endif

+#if ( ( defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090) || \
+      ( defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000 ) || \
+       TARGET_OS_WATCH )
    #import "AFURLSessionManager.h"
    #import "AFHTTPSessionManager.h"
+#endif

 #endif /* _AFNETWORKING_ */
--- a/AFNetworking/AFSecurityPolicy.h
+++ b/AFNetworking/AFSecurityPolicy.h
@ -1,5 +1,5 @@
 // AFSecurityPolicy.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -44,13 +44,9 @@ NS_ASSUME_NONNULL_BEGIN
@property (readonly, nonatomic, assign) AFSSLPinningMode SSLPinningMode;

 /**
- The certificates used to evaluate server trust according to the SSL pinning mode. 
- 
- Note that if pinning is enabled, `evaluateServerTrust:forDomain:` will return true if any pinned certificate matches.
-
- @see policyWithPinningMode:withPinnedCertificates:
+ The certificates used to evaluate server trust according to the SSL pinning mode. By default, this property is set to any (`.cer`) certificates included in the app bundle. Note that if you create an array with duplicate certificates, the duplicate certificates will be removed. Note that if pinning is enabled, `evaluateServerTrust:forDomain:` will return true if any pinned certificate matches.
 */
-@property (nonatomic, strong, nullable) NSSet <NSData *> *pinnedCertificates;
+@property (nonatomic, strong, nullable) NSArray *pinnedCertificates;

 /**
 Whether or not to trust servers with an invalid or expired SSL certificates. Defaults to `NO`.
@ -62,17 +58,6 @@ NS_ASSUME_NONNULL_BEGIN
 */
@property (nonatomic, assign) BOOL validatesDomainName;

-///-----------------------------------------
-/// @name Getting Certificates from the Bundle
-///-----------------------------------------
-
-/**
- Returns any certificates included in the bundle. If you are using AFNetworking as an embedded framework, you must use this method to find the certificates you have included in your app bundle, and use them when creating your security policy by calling `policyWithPinningMode:withPinnedCertificates`.
-
- @return The certificates included in the given bundle.
- */
-+ (NSSet <NSData *> *)certificatesInBundle:(NSBundle *)bundle;
-
 ///-----------------------------------------
 /// @name Getting Specific Security Policies
 ///-----------------------------------------
@ -90,34 +75,30 @@ NS_ASSUME_NONNULL_BEGIN

 /**
 Creates and returns a security policy with the specified pinning mode.
- 
- Certificates with the `.cer` extension found in the main bundle will be pinned. If you want more control over which certificates are pinned, please use `policyWithPinningMode:withPinnedCertificates:` instead.

 @param pinningMode The SSL pinning mode.

 @return A new security policy.
-
- @see -policyWithPinningMode:withPinnedCertificates:
 */
 + (instancetype)policyWithPinningMode:(AFSSLPinningMode)pinningMode;

-/**
- Creates and returns a security policy with the specified pinning mode.
-
- @param pinningMode The SSL pinning mode.
- @param pinnedCertificates The certificates to pin against.
-
- @return A new security policy.
-
- @see +certificatesInBundle:
- @see -pinnedCertificates
-*/
-+ (instancetype)policyWithPinningMode:(AFSSLPinningMode)pinningMode withPinnedCertificates:(NSSet <NSData *> *)pinnedCertificates;
-
 ///------------------------------
 /// @name Evaluating Server Trust
 ///------------------------------

+/**
+ Whether or not the specified server trust should be accepted, based on the security policy.
+
+ This method should be used when responding to an authentication challenge from a server.
+
+ @param serverTrust The X.509 certificate trust of the server.
+
+ @return Whether or not to trust the server.
+
+ @warning This method has been deprecated in favor of `-evaluateServerTrust:forDomain:`.
+ */
+- (BOOL)evaluateServerTrust:(SecTrustRef)serverTrust DEPRECATED_ATTRIBUTE;
+
 /**
 Whether or not the specified server trust should be accepted, based on the security policy.

--- a/AFNetworking/AFSecurityPolicy.m
+++ b/AFNetworking/AFSecurityPolicy.m
@ -1,5 +1,5 @@
 // AFSecurityPolicy.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -23,7 +23,7 @@

 #import <AssertMacros.h>

-#if !TARGET_OS_IOS && !TARGET_OS_WATCH && !TARGET_OS_TV
+#if !TARGET_OS_IOS && !TARGET_OS_WATCH
 static NSData * AFSecKeyGetData(SecKeyRef key) {
    CFDataRef data = NULL;

@ -41,7 +41,7 @@ _out:
 #endif

 static BOOL AFSecKeyIsEqualToKey(SecKeyRef key1, SecKeyRef key2) {
-#if TARGET_OS_IOS || TARGET_OS_WATCH || TARGET_OS_TV
+#if TARGET_OS_IOS || TARGET_OS_WATCH
    return [(__bridge id)key1 isEqual:(__bridge id)key2];
 #else
    return [AFSecKeyGetData(key1) isEqual:AFSecKeyGetData(key2)];
@ -51,6 +51,8 @@ static BOOL AFSecKeyIsEqualToKey(SecKeyRef key1, SecKeyRef key2) {
 static id AFPublicKeyForCertificate(NSData *certificate) {
    id allowedPublicKey = nil;
    SecCertificateRef allowedCertificate;
+    SecCertificateRef allowedCertificates[1];
+    CFArrayRef tempCertificates = nil;
    SecPolicyRef policy = nil;
    SecTrustRef allowedTrust = nil;
    SecTrustResultType result;
@ -58,8 +60,11 @@ static id AFPublicKeyForCertificate(NSData *certificate) {
    allowedCertificate = SecCertificateCreateWithData(NULL, (__bridge CFDataRef)certificate);
    __Require_Quiet(allowedCertificate != NULL, _out);

+    allowedCertificates[0] = allowedCertificate;
+    tempCertificates = CFArrayCreate(NULL, (const void **)allowedCertificates, 1, NULL);
+
    policy = SecPolicyCreateBasicX509();
-    __Require_noErr_Quiet(SecTrustCreateWithCertificates(allowedCertificate, policy, &allowedTrust), _out);
+    __Require_noErr_Quiet(SecTrustCreateWithCertificates(tempCertificates, policy, &allowedTrust), _out);
    __Require_noErr_Quiet(SecTrustEvaluate(allowedTrust, &result), _out);

    allowedPublicKey = (__bridge_transfer id)SecTrustCopyPublicKey(allowedTrust);
@ -73,6 +78,10 @@ _out:
        CFRelease(policy);
    }

+    if (tempCertificates) {
+        CFRelease(tempCertificates);
+    }
+
    if (allowedCertificate) {
        CFRelease(allowedCertificate);
    }
@ -141,21 +150,28 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {

@interface AFSecurityPolicy()
@property (readwrite, nonatomic, assign) AFSSLPinningMode SSLPinningMode;
-@property (readwrite, nonatomic, strong) NSSet *pinnedPublicKeys;
+@property (readwrite, nonatomic, strong) NSArray *pinnedPublicKeys;
@end

@implementation AFSecurityPolicy

-+ (NSSet *)certificatesInBundle:(NSBundle *)bundle {
-    NSArray *paths = [bundle pathsForResourcesOfType:@"cer" inDirectory:@"."];
+ (NSArray *)defaultPinnedCertificates {
+    static NSArray *_defaultPinnedCertificates = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        NSBundle *bundle = [NSBundle bundleForClass:[self class]];
+        NSArray *paths = [bundle pathsForResourcesOfType:@"cer" inDirectory:@"."];

-    NSMutableSet *certificates = [NSMutableSet setWithCapacity:[paths count]];
-    for (NSString *path in paths) {
-        NSData *certificateData = [NSData dataWithContentsOfFile:path];
-        [certificates addObject:certificateData];
-    }
+        NSMutableArray *certificates = [NSMutableArray arrayWithCapacity:[paths count]];
+        for (NSString *path in paths) {
+            NSData *certificateData = [NSData dataWithContentsOfFile:path];
+            [certificates addObject:certificateData];
+        }

-    return [NSSet setWithSet:certificates];
+        _defaultPinnedCertificates = [[NSArray alloc] initWithArray:certificates];
+    });
+
+    return _defaultPinnedCertificates;
 }

 + (instancetype)defaultPolicy {
@ -166,20 +182,15 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
 }

 + (instancetype)policyWithPinningMode:(AFSSLPinningMode)pinningMode {
-    NSSet <NSData *> *defaultPinnedCertificates = [self certificatesInBundle:[NSBundle mainBundle]];
-    return [self policyWithPinningMode:pinningMode withPinnedCertificates:defaultPinnedCertificates];
-}
-
-+ (instancetype)policyWithPinningMode:(AFSSLPinningMode)pinningMode withPinnedCertificates:(NSSet *)pinnedCertificates {
    AFSecurityPolicy *securityPolicy = [[self alloc] init];
    securityPolicy.SSLPinningMode = pinningMode;

-    [securityPolicy setPinnedCertificates:pinnedCertificates];
+    [securityPolicy setPinnedCertificates:[self defaultPinnedCertificates]];

    return securityPolicy;
 }

- (instancetype)init {
+- (id)init {
    self = [super init];
    if (!self) {
        return nil;
@ -190,11 +201,11 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
    return self;
 }

- (void)setPinnedCertificates:(NSSet *)pinnedCertificates {
-    _pinnedCertificates = pinnedCertificates;
+- (void)setPinnedCertificates:(NSArray *)pinnedCertificates {
+    _pinnedCertificates = [[NSOrderedSet orderedSetWithArray:pinnedCertificates] array];

    if (self.pinnedCertificates) {
-        NSMutableSet *mutablePinnedPublicKeys = [NSMutableSet setWithCapacity:[self.pinnedCertificates count]];
+        NSMutableArray *mutablePinnedPublicKeys = [NSMutableArray arrayWithCapacity:[self.pinnedCertificates count]];
        for (NSData *certificate in self.pinnedCertificates) {
            id publicKey = AFPublicKeyForCertificate(certificate);
            if (!publicKey) {
@ -202,7 +213,7 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
            }
            [mutablePinnedPublicKeys addObject:publicKey];
        }
-        self.pinnedPublicKeys = [NSSet setWithSet:mutablePinnedPublicKeys];
+        self.pinnedPublicKeys = [NSArray arrayWithArray:mutablePinnedPublicKeys];
    } else {
        self.pinnedPublicKeys = nil;
    }
@ -210,6 +221,10 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {

 #pragma mark -

+- (BOOL)evaluateServerTrust:(SecTrustRef)serverTrust {
+    return [self evaluateServerTrust:serverTrust forDomain:nil];
+}
+
 - (BOOL)evaluateServerTrust:(SecTrustRef)serverTrust
                  forDomain:(NSString *)domain
 {
@ -241,7 +256,11 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
        return NO;
    }

+    NSArray *serverCertificates = AFCertificateTrustChainForServerTrust(serverTrust);
    switch (self.SSLPinningMode) {
+        case AFSSLPinningModeNone:
+        default:
+            return NO;
        case AFSSLPinningModeCertificate: {
            NSMutableArray *pinnedCertificates = [NSMutableArray array];
            for (NSData *certificateData in self.pinnedCertificates) {
@ -253,16 +272,13 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
                return NO;
            }

-            // obtain the chain after being validated, which *should* contain the pinned certificate in the last position (if it's the Root CA)
-            NSArray *serverCertificates = AFCertificateTrustChainForServerTrust(serverTrust);
-            
-            for (NSData *trustChainCertificate in [serverCertificates reverseObjectEnumerator]) {
+            NSUInteger trustedCertificateCount = 0;
+            for (NSData *trustChainCertificate in serverCertificates) {
                if ([self.pinnedCertificates containsObject:trustChainCertificate]) {
-                    return YES;
+                    trustedCertificateCount++;
                }
            }
-            
-            return NO;
+            return trustedCertificateCount > 0;
        }
        case AFSSLPinningModePublicKey: {
            NSUInteger trustedPublicKeyCount = 0;
@ -277,9 +293,6 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
            }
            return trustedPublicKeyCount > 0;
        }
-            
-        default:
-            return NO;
    }
    
    return NO;
@ -307,7 +320,7 @@ static NSArray * AFPublicKeyTrustChainForServerTrust(SecTrustRef serverTrust) {
    self.SSLPinningMode = [[decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(SSLPinningMode))] unsignedIntegerValue];
    self.allowInvalidCertificates = [decoder decodeBoolForKey:NSStringFromSelector(@selector(allowInvalidCertificates))];
    self.validatesDomainName = [decoder decodeBoolForKey:NSStringFromSelector(@selector(validatesDomainName))];
-    self.pinnedCertificates = [decoder decodeObjectOfClass:[NSSet class] forKey:NSStringFromSelector(@selector(pinnedCertificates))];
+    self.pinnedCertificates = [decoder decodeObjectOfClass:[NSArray class] forKey:NSStringFromSelector(@selector(pinnedCertificates))];

    return self;
 }
--- a/AFNetworking/AFURLConnectionOperation.h
+++ b/AFNetworking/AFURLConnectionOperation.h
@ -0,0 +1,344 @@
+// AFURLConnectionOperation.h
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+#import <Availability.h>
+#import "AFURLRequestSerialization.h"
+#import "AFURLResponseSerialization.h"
+#import "AFSecurityPolicy.h"
+
+#ifndef NS_DESIGNATED_INITIALIZER
+#if __has_attribute(objc_designated_initializer)
+#define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
+#else
+#define NS_DESIGNATED_INITIALIZER
+#endif
+#endif
+
+/**
+ `AFURLConnectionOperation` is a subclass of `NSOperation` that implements `NSURLConnection` delegate methods.
+
+ ## Subclassing Notes
+
+ This is the base class of all network request operations. You may wish to create your own subclass in order to implement additional `NSURLConnection` delegate methods (see "`NSURLConnection` Delegate Methods" below), or to provide additional properties and/or class constructors.
+
+ If you are creating a subclass that communicates over the HTTP or HTTPS protocols, you may want to consider subclassing `AFHTTPRequestOperation` instead, as it supports specifying acceptable content types or status codes.
+
+ ## NSURLConnection Delegate Methods
+
+ `AFURLConnectionOperation` implements the following `NSURLConnection` delegate methods:
+
+ - `connection:didReceiveResponse:`
+ - `connection:didReceiveData:`
+ - `connectionDidFinishLoading:`
+ - `connection:didFailWithError:`
+ - `connection:didSendBodyData:totalBytesWritten:totalBytesExpectedToWrite:`
+ - `connection:willCacheResponse:`
+ - `connectionShouldUseCredentialStorage:`
+ - `connection:needNewBodyStream:`
+ - `connection:willSendRequestForAuthenticationChallenge:`
+
+ If any of these methods are overridden in a subclass, they _must_ call the `super` implementation first.
+
+ ## Callbacks and Completion Blocks
+
+ The built-in `completionBlock` provided by `NSOperation` allows for custom behavior to be executed after the request finishes. It is a common pattern for class constructors in subclasses to take callback block parameters, and execute them conditionally in the body of its `completionBlock`. Make sure to handle cancelled operations appropriately when setting a `completionBlock` (i.e. returning early before parsing response data). See the implementation of any of the `AFHTTPRequestOperation` subclasses for an example of this.
+
+ Subclasses are strongly discouraged from overriding `setCompletionBlock:`, as `AFURLConnectionOperation`'s implementation includes a workaround to mitigate retain cycles, and what Apple rather ominously refers to as ["The Deallocation Problem"](http://developer.apple.com/library/ios/#technotes/tn2109/).
+
+ ## SSL Pinning
+
+ Relying on the CA trust model to validate SSL certificates exposes your app to security vulnerabilities, such as man-in-the-middle attacks. For applications that connect to known servers, SSL certificate pinning provides an increased level of security, by checking server certificate validity against those specified in the app bundle.
+
+ SSL with certificate pinning is strongly recommended for any application that transmits sensitive information to an external webservice.
+
+ Connections will be validated on all matching certificates with a `.cer` extension in the bundle root.
+
+ ## NSCoding & NSCopying Conformance
+
+ `AFURLConnectionOperation` conforms to the `NSCoding` and `NSCopying` protocols, allowing operations to be archived to disk, and copied in memory, respectively. However, because of the intrinsic limitations of capturing the exact state of an operation at a particular moment, there are some important caveats to keep in mind:
+
+ ### NSCoding Caveats
+
+ - Encoded operations do not include any block or stream properties. Be sure to set `completionBlock`, `outputStream`, and any callback blocks as necessary when using `-initWithCoder:` or `NSKeyedUnarchiver`.
+ - Operations are paused on `encodeWithCoder:`. If the operation was encoded while paused or still executing, its archived state will return `YES` for `isReady`. Otherwise, the state of an operation when encoding will remain unchanged.
+
+ ### NSCopying Caveats
+
+ - `-copy` and `-copyWithZone:` return a new operation with the `NSURLRequest` of the original. So rather than an exact copy of the operation at that particular instant, the copying mechanism returns a completely new instance, which can be useful for retrying operations.
+ - A copy of an operation will not include the `outputStream` of the original.
+ - Operation copies do not include `completionBlock`, as it often strongly captures a reference to `self`, which would otherwise have the unintuitive side-effect of pointing to the _original_ operation when copied.
+ */
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface AFURLConnectionOperation : NSOperation <NSURLConnectionDelegate, NSURLConnectionDataDelegate, NSSecureCoding, NSCopying>
+
+///-------------------------------
+/// @name Accessing Run Loop Modes
+///-------------------------------
+
+/**
+ The run loop modes in which the operation will run on the network thread. By default, this is a single-member set containing `NSRunLoopCommonModes`.
+ */
+@property (nonatomic, strong) NSSet *runLoopModes;
+
+///-----------------------------------------
+/// @name Getting URL Connection Information
+///-----------------------------------------
+
+/**
+ The request used by the operation's connection.
+ */
+@property (readonly, nonatomic, strong) NSURLRequest *request;
+
+/**
+ The last response received by the operation's connection.
+ */
+@property (readonly, nonatomic, strong, nullable) NSURLResponse *response;
+
+/**
+ The error, if any, that occurred in the lifecycle of the request.
+ */
+@property (readonly, nonatomic, strong, nullable) NSError *error;
+
+///----------------------------
+/// @name Getting Response Data
+///----------------------------
+
+/**
+ The data received during the request.
+ */
+@property (readonly, nonatomic, strong, nullable) NSData *responseData;
+
+/**
+ The string representation of the response data.
+ */
+@property (readonly, nonatomic, copy, nullable) NSString *responseString;
+
+/**
+ The string encoding of the response.
+
+ If the response does not specify a valid string encoding, `responseStringEncoding` will return `NSUTF8StringEncoding`.
+ */
+@property (readonly, nonatomic, assign) NSStringEncoding responseStringEncoding;
+
+///-------------------------------
+/// @name Managing URL Credentials
+///-------------------------------
+
+/**
+ Whether the URL connection should consult the credential storage for authenticating the connection. `YES` by default.
+
+ This is the value that is returned in the `NSURLConnectionDelegate` method `-connectionShouldUseCredentialStorage:`.
+ */
+@property (nonatomic, assign) BOOL shouldUseCredentialStorage;
+
+/**
+ The credential used for authentication challenges in `-connection:didReceiveAuthenticationChallenge:`.
+
+ This will be overridden by any shared credentials that exist for the username or password of the request URL, if present.
+ */
+@property (nonatomic, strong, nullable) NSURLCredential *credential;
+
+///-------------------------------
+/// @name Managing Security Policy
+///-------------------------------
+
+/**
+ The security policy used to evaluate server trust for secure connections.
+ */
+@property (nonatomic, strong) AFSecurityPolicy *securityPolicy;
+
+///------------------------
+/// @name Accessing Streams
+///------------------------
+
+/**
+ The input stream used to read data to be sent during the request.
+
+ This property acts as a proxy to the `HTTPBodyStream` property of `request`.
+ */
+@property (nonatomic, strong) NSInputStream *inputStream;
+
+/**
+ The output stream that is used to write data received until the request is finished.
+
+ By default, data is accumulated into a buffer that is stored into `responseData` upon completion of the request, with the intermediary `outputStream` property set to `nil`. When `outputStream` is set, the data will not be accumulated into an internal buffer, and as a result, the `responseData` property of the completed request will be `nil`. The output stream will be scheduled in the network thread runloop upon being set.
+ */
+@property (nonatomic, strong, nullable) NSOutputStream *outputStream;
+
+///---------------------------------
+/// @name Managing Callback Queues
+///---------------------------------
+
+/**
+ The dispatch queue for `completionBlock`. If `NULL` (default), the main queue is used.
+ */
+#if OS_OBJECT_USE_OBJC
+@property (nonatomic, strong, nullable) dispatch_queue_t completionQueue;
+#else
+@property (nonatomic, assign, nullable) dispatch_queue_t completionQueue;
+#endif
+
+/**
+ The dispatch group for `completionBlock`. If `NULL` (default), a private dispatch group is used.
+ */
+#if OS_OBJECT_USE_OBJC
+@property (nonatomic, strong, nullable) dispatch_group_t completionGroup;
+#else
+@property (nonatomic, assign, nullable) dispatch_group_t completionGroup;
+#endif
+
+///---------------------------------------------
+/// @name Managing Request Operation Information
+///---------------------------------------------
+
+/**
+ The user info dictionary for the receiver.
+ */
+@property (nonatomic, strong) NSDictionary *userInfo;
+// FIXME: It doesn't seem that this userInfo is used anywhere in the implementation.
+
+///------------------------------------------------------
+/// @name Initializing an AFURLConnectionOperation Object
+///------------------------------------------------------
+
+/**
+ Initializes and returns a newly allocated operation object with a url connection configured with the specified url request.
+
+ This is the designated initializer.
+
+ @param urlRequest The request object to be used by the operation connection.
+ */
+- (instancetype)initWithRequest:(NSURLRequest *)urlRequest NS_DESIGNATED_INITIALIZER;
+
+///----------------------------------
+/// @name Pausing / Resuming Requests
+///----------------------------------
+
+/**
+ Pauses the execution of the request operation.
+
+ A paused operation returns `NO` for `-isReady`, `-isExecuting`, and `-isFinished`. As such, it will remain in an `NSOperationQueue` until it is either cancelled or resumed. Pausing a finished, cancelled, or paused operation has no effect.
+ */
+- (void)pause;
+
+/**
+ Whether the request operation is currently paused.
+
+ @return `YES` if the operation is currently paused, otherwise `NO`.
+ */
+- (BOOL)isPaused;
+
+/**
+ Resumes the execution of the paused request operation.
+
+ Pause/Resume behavior varies depending on the underlying implementation for the operation class. In its base implementation, resuming a paused requests restarts the original request. However, since HTTP defines a specification for how to request a specific content range, `AFHTTPRequestOperation` will resume downloading the request from where it left off, instead of restarting the original request.
+ */
+- (void)resume;
+
+///----------------------------------------------
+/// @name Configuring Backgrounding Task Behavior
+///----------------------------------------------
+
+/**
+ Specifies that the operation should continue execution after the app has entered the background, and the expiration handler for that background task.
+
+ @param handler A handler to be called shortly before the application’s remaining background time reaches 0. The handler is wrapped in a block that cancels the operation, and cleans up and marks the end of execution, unlike the `handler` parameter in `UIApplication -beginBackgroundTaskWithExpirationHandler:`, which expects this to be done in the handler itself. The handler is called synchronously on the main thread, thus blocking the application’s suspension momentarily while the application is notified.
+  */
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+- (void)setShouldExecuteAsBackgroundTaskWithExpirationHandler:(nullable void (^)(void))handler NS_EXTENSION_UNAVAILABLE_IOS("Not available in app extensions.");
+#endif
+
+///---------------------------------
+/// @name Setting Progress Callbacks
+///---------------------------------
+
+/**
+ Sets a callback to be called when an undetermined number of bytes have been uploaded to the server.
+
+ @param block A block object to be called when an undetermined number of bytes have been uploaded to the server. This block has no return value and takes three arguments: the number of bytes written since the last time the upload progress block was called, the total bytes written, and the total bytes expected to be written during the request, as initially determined by the length of the HTTP body. This block may be called multiple times, and will execute on the main thread.
+ */
+- (void)setUploadProgressBlock:(nullable void (^)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite))block;
+
+/**
+ Sets a callback to be called when an undetermined number of bytes have been downloaded from the server.
+
+ @param block A block object to be called when an undetermined number of bytes have been downloaded from the server. This block has no return value and takes three arguments: the number of bytes read since the last time the download progress block was called, the total bytes read, and the total bytes expected to be read during the request, as initially determined by the expected content size of the `NSHTTPURLResponse` object. This block may be called multiple times, and will execute on the main thread.
+ */
+- (void)setDownloadProgressBlock:(nullable void (^)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead))block;
+
+///-------------------------------------------------
+/// @name Setting NSURLConnection Delegate Callbacks
+///-------------------------------------------------
+
+/**
+ Sets a block to be executed when the connection will authenticate a challenge in order to download its request, as handled by the `NSURLConnectionDelegate` method `connection:willSendRequestForAuthenticationChallenge:`.
+
+ @param block A block object to be executed when the connection will authenticate a challenge in order to download its request. The block has no return type and takes two arguments: the URL connection object, and the challenge that must be authenticated. This block must invoke one of the challenge-responder methods (NSURLAuthenticationChallengeSender protocol).
+
+ If `allowsInvalidSSLCertificate` is set to YES, `connection:willSendRequestForAuthenticationChallenge:` will attempt to have the challenge sender use credentials with invalid SSL certificates.
+ */
+- (void)setWillSendRequestForAuthenticationChallengeBlock:(nullable void (^)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge))block;
+
+/**
+ Sets a block to be executed when the server redirects the request from one URL to another URL, or when the request URL changed by the `NSURLProtocol` subclass handling the request in order to standardize its format, as handled by the `NSURLConnectionDataDelegate` method `connection:willSendRequest:redirectResponse:`.
+
+ @param block A block object to be executed when the request URL was changed. The block returns an `NSURLRequest` object, the URL request to redirect, and takes three arguments: the URL connection object, the the proposed redirected request, and the URL response that caused the redirect.
+ */
+- (void)setRedirectResponseBlock:(nullable NSURLRequest * (^)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse))block;
+
+
+/**
+ Sets a block to be executed to modify the response a connection will cache, if any, as handled by the `NSURLConnectionDelegate` method `connection:willCacheResponse:`.
+
+ @param block A block object to be executed to determine what response a connection will cache, if any. The block returns an `NSCachedURLResponse` object, the cached response to store in memory or `nil` to prevent the response from being cached, and takes two arguments: the URL connection object, and the cached response provided for the request.
+ */
+- (void)setCacheResponseBlock:(nullable NSCachedURLResponse * (^)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse))block;
+
+///
+
+/**
+
+ */
+ (NSArray *)batchOfRequestOperations:(nullable NSArray *)operations
+                        progressBlock:(nullable void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock
+                      completionBlock:(nullable void (^)(NSArray *operations))completionBlock;
+
+@end
+
+///--------------------
+/// @name Notifications
+///--------------------
+
+/**
+ Posted when an operation begins executing.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingOperationDidStartNotification;
+
+/**
+ Posted when an operation finishes.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingOperationDidFinishNotification;
+
+NS_ASSUME_NONNULL_END
--- a/AFNetworking/AFURLConnectionOperation.m
+++ b/AFNetworking/AFURLConnectionOperation.m
@ -0,0 +1,792 @@
+// AFURLConnectionOperation.m
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AFURLConnectionOperation.h"
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+#import <UIKit/UIKit.h>
+#endif
+
+#if !__has_feature(objc_arc)
+#error AFNetworking must be built with ARC.
+// You can turn on ARC for only AFNetworking files by adding -fobjc-arc to the build phase for each of its files.
+#endif
+
+typedef NS_ENUM(NSInteger, AFOperationState) {
+    AFOperationPausedState      = -1,
+    AFOperationReadyState       = 1,
+    AFOperationExecutingState   = 2,
+    AFOperationFinishedState    = 3,
+};
+
+static dispatch_group_t url_request_operation_completion_group() {
+    static dispatch_group_t af_url_request_operation_completion_group;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        af_url_request_operation_completion_group = dispatch_group_create();
+    });
+
+    return af_url_request_operation_completion_group;
+}
+
+static dispatch_queue_t url_request_operation_completion_queue() {
+    static dispatch_queue_t af_url_request_operation_completion_queue;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        af_url_request_operation_completion_queue = dispatch_queue_create("com.alamofire.networking.operation.queue", DISPATCH_QUEUE_CONCURRENT );
+    });
+
+    return af_url_request_operation_completion_queue;
+}
+
+static NSString * const kAFNetworkingLockName = @"com.alamofire.networking.operation.lock";
+
+NSString * const AFNetworkingOperationDidStartNotification = @"com.alamofire.networking.operation.start";
+NSString * const AFNetworkingOperationDidFinishNotification = @"com.alamofire.networking.operation.finish";
+
+typedef void (^AFURLConnectionOperationProgressBlock)(NSUInteger bytes, long long totalBytes, long long totalBytesExpected);
+typedef void (^AFURLConnectionOperationAuthenticationChallengeBlock)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge);
+typedef NSCachedURLResponse * (^AFURLConnectionOperationCacheResponseBlock)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse);
+typedef NSURLRequest * (^AFURLConnectionOperationRedirectResponseBlock)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse);
+typedef void (^AFURLConnectionOperationBackgroundTaskCleanupBlock)();
+
+static inline NSString * AFKeyPathFromOperationState(AFOperationState state) {
+    switch (state) {
+        case AFOperationReadyState:
+            return @"isReady";
+        case AFOperationExecutingState:
+            return @"isExecuting";
+        case AFOperationFinishedState:
+            return @"isFinished";
+        case AFOperationPausedState:
+            return @"isPaused";
+        default: {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunreachable-code"
+            return @"state";
+#pragma clang diagnostic pop
+        }
+    }
+}
+
+static inline BOOL AFStateTransitionIsValid(AFOperationState fromState, AFOperationState toState, BOOL isCancelled) {
+    switch (fromState) {
+        case AFOperationReadyState:
+            switch (toState) {
+                case AFOperationPausedState:
+                case AFOperationExecutingState:
+                    return YES;
+                case AFOperationFinishedState:
+                    return isCancelled;
+                default:
+                    return NO;
+            }
+        case AFOperationExecutingState:
+            switch (toState) {
+                case AFOperationPausedState:
+                case AFOperationFinishedState:
+                    return YES;
+                default:
+                    return NO;
+            }
+        case AFOperationFinishedState:
+            return NO;
+        case AFOperationPausedState:
+            return toState == AFOperationReadyState;
+        default: {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wunreachable-code"
+            switch (toState) {
+                case AFOperationPausedState:
+                case AFOperationReadyState:
+                case AFOperationExecutingState:
+                case AFOperationFinishedState:
+                    return YES;
+                default:
+                    return NO;
+            }
+        }
+#pragma clang diagnostic pop
+    }
+}
+
+@interface AFURLConnectionOperation ()
+@property (readwrite, nonatomic, assign) AFOperationState state;
+@property (readwrite, nonatomic, strong) NSRecursiveLock *lock;
+@property (readwrite, nonatomic, strong) NSURLConnection *connection;
+@property (readwrite, nonatomic, strong) NSURLRequest *request;
+@property (readwrite, nonatomic, strong) NSURLResponse *response;
+@property (readwrite, nonatomic, strong) NSError *error;
+@property (readwrite, nonatomic, strong) NSData *responseData;
+@property (readwrite, nonatomic, copy) NSString *responseString;
+@property (readwrite, nonatomic, assign) NSStringEncoding responseStringEncoding;
+@property (readwrite, nonatomic, assign) long long totalBytesRead;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationBackgroundTaskCleanupBlock backgroundTaskCleanup;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock uploadProgress;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationProgressBlock downloadProgress;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationAuthenticationChallengeBlock authenticationChallenge;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationCacheResponseBlock cacheResponse;
+@property (readwrite, nonatomic, copy) AFURLConnectionOperationRedirectResponseBlock redirectResponse;
+
+- (void)operationDidStart;
+- (void)finish;
+- (void)cancelConnection;
+@end
+
+@implementation AFURLConnectionOperation
+@synthesize outputStream = _outputStream;
+
+ (void)networkRequestThreadEntryPoint:(id)__unused object {
+    @autoreleasepool {
+        [[NSThread currentThread] setName:@"AFNetworking"];
+
+        NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
+        [runLoop addPort:[NSMachPort port] forMode:NSDefaultRunLoopMode];
+        [runLoop run];
+    }
+}
+
+ (NSThread *)networkRequestThread {
+    static NSThread *_networkRequestThread = nil;
+    static dispatch_once_t oncePredicate;
+    dispatch_once(&oncePredicate, ^{
+        _networkRequestThread = [[NSThread alloc] initWithTarget:self selector:@selector(networkRequestThreadEntryPoint:) object:nil];
+        [_networkRequestThread start];
+    });
+
+    return _networkRequestThread;
+}
+
+- (instancetype)initWithRequest:(NSURLRequest *)urlRequest {
+    NSParameterAssert(urlRequest);
+
+    self = [super init];
+    if (!self) {
+		return nil;
+    }
+
+    _state = AFOperationReadyState;
+
+    self.lock = [[NSRecursiveLock alloc] init];
+    self.lock.name = kAFNetworkingLockName;
+
+    self.runLoopModes = [NSSet setWithObject:NSRunLoopCommonModes];
+
+    self.request = urlRequest;
+
+    self.shouldUseCredentialStorage = YES;
+
+    self.securityPolicy = [AFSecurityPolicy defaultPolicy];
+
+    return self;
+}
+
+- (instancetype)init NS_UNAVAILABLE
+{
+    return nil;
+}
+
+- (void)dealloc {
+    if (_outputStream) {
+        [_outputStream close];
+        _outputStream = nil;
+    }
+    
+    if (_backgroundTaskCleanup) {
+        _backgroundTaskCleanup();
+    }
+}
+
+#pragma mark -
+
+- (void)setResponseData:(NSData *)responseData {
+    [self.lock lock];
+    if (!responseData) {
+        _responseData = nil;
+    } else {
+        _responseData = [NSData dataWithBytes:responseData.bytes length:responseData.length];
+    }
+    [self.lock unlock];
+}
+
+- (NSString *)responseString {
+    [self.lock lock];
+    if (!_responseString && self.response && self.responseData) {
+        self.responseString = [[NSString alloc] initWithData:self.responseData encoding:self.responseStringEncoding];
+    }
+    [self.lock unlock];
+
+    return _responseString;
+}
+
+- (NSStringEncoding)responseStringEncoding {
+    [self.lock lock];
+    if (!_responseStringEncoding && self.response) {
+        NSStringEncoding stringEncoding = NSUTF8StringEncoding;
+        if (self.response.textEncodingName) {
+            CFStringEncoding IANAEncoding = CFStringConvertIANACharSetNameToEncoding((__bridge CFStringRef)self.response.textEncodingName);
+            if (IANAEncoding != kCFStringEncodingInvalidId) {
+                stringEncoding = CFStringConvertEncodingToNSStringEncoding(IANAEncoding);
+            }
+        }
+
+        self.responseStringEncoding = stringEncoding;
+    }
+    [self.lock unlock];
+
+    return _responseStringEncoding;
+}
+
+- (NSInputStream *)inputStream {
+    return self.request.HTTPBodyStream;
+}
+
+- (void)setInputStream:(NSInputStream *)inputStream {
+    NSMutableURLRequest *mutableRequest = [self.request mutableCopy];
+    mutableRequest.HTTPBodyStream = inputStream;
+    self.request = mutableRequest;
+}
+
+- (NSOutputStream *)outputStream {
+    if (!_outputStream) {
+        self.outputStream = [NSOutputStream outputStreamToMemory];
+    }
+
+    return _outputStream;
+}
+
+- (void)setOutputStream:(NSOutputStream *)outputStream {
+    [self.lock lock];
+    if (outputStream != _outputStream) {
+        if (_outputStream) {
+            [_outputStream close];
+        }
+
+        _outputStream = outputStream;
+    }
+    [self.lock unlock];
+}
+
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
+- (void)setShouldExecuteAsBackgroundTaskWithExpirationHandler:(void (^)(void))handler {
+    [self.lock lock];
+    if (!self.backgroundTaskCleanup) {
+        UIApplication *application = [UIApplication sharedApplication];
+        UIBackgroundTaskIdentifier __block backgroundTaskIdentifier = UIBackgroundTaskInvalid;
+        __weak __typeof(self)weakSelf = self;
+        
+        self.backgroundTaskCleanup = ^(){
+            if (backgroundTaskIdentifier != UIBackgroundTaskInvalid) {
+                [[UIApplication sharedApplication] endBackgroundTask:backgroundTaskIdentifier];
+                backgroundTaskIdentifier = UIBackgroundTaskInvalid;
+            }
+        };
+        
+        backgroundTaskIdentifier = [application beginBackgroundTaskWithExpirationHandler:^{
+            __strong __typeof(weakSelf)strongSelf = weakSelf;
+
+            if (handler) {
+                handler();
+            }
+
+            if (strongSelf) {
+                [strongSelf cancel];
+                strongSelf.backgroundTaskCleanup();
+            }
+        }];
+    }
+    [self.lock unlock];
+}
+#endif
+
+#pragma mark -
+
+- (void)setState:(AFOperationState)state {
+    if (!AFStateTransitionIsValid(self.state, state, [self isCancelled])) {
+        return;
+    }
+
+    [self.lock lock];
+    NSString *oldStateKey = AFKeyPathFromOperationState(self.state);
+    NSString *newStateKey = AFKeyPathFromOperationState(state);
+
+    [self willChangeValueForKey:newStateKey];
+    [self willChangeValueForKey:oldStateKey];
+    _state = state;
+    [self didChangeValueForKey:oldStateKey];
+    [self didChangeValueForKey:newStateKey];
+    [self.lock unlock];
+}
+
+- (void)pause {
+    if ([self isPaused] || [self isFinished] || [self isCancelled]) {
+        return;
+    }
+
+    [self.lock lock];
+    if ([self isExecuting]) {
+        [self performSelector:@selector(operationDidPause) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+
+        dispatch_async(dispatch_get_main_queue(), ^{
+            NSNotificationCenter *notificationCenter = [NSNotificationCenter defaultCenter];
+            [notificationCenter postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
+        });
+    }
+
+    self.state = AFOperationPausedState;
+    [self.lock unlock];
+}
+
+- (void)operationDidPause {
+    [self.lock lock];
+    [self.connection cancel];
+    [self.lock unlock];
+}
+
+- (BOOL)isPaused {
+    return self.state == AFOperationPausedState;
+}
+
+- (void)resume {
+    if (![self isPaused]) {
+        return;
+    }
+
+    [self.lock lock];
+    self.state = AFOperationReadyState;
+
+    [self start];
+    [self.lock unlock];
+}
+
+#pragma mark -
+
+- (void)setUploadProgressBlock:(void (^)(NSUInteger bytesWritten, long long totalBytesWritten, long long totalBytesExpectedToWrite))block {
+    self.uploadProgress = block;
+}
+
+- (void)setDownloadProgressBlock:(void (^)(NSUInteger bytesRead, long long totalBytesRead, long long totalBytesExpectedToRead))block {
+    self.downloadProgress = block;
+}
+
+- (void)setWillSendRequestForAuthenticationChallengeBlock:(void (^)(NSURLConnection *connection, NSURLAuthenticationChallenge *challenge))block {
+    self.authenticationChallenge = block;
+}
+
+- (void)setCacheResponseBlock:(NSCachedURLResponse * (^)(NSURLConnection *connection, NSCachedURLResponse *cachedResponse))block {
+    self.cacheResponse = block;
+}
+
+- (void)setRedirectResponseBlock:(NSURLRequest * (^)(NSURLConnection *connection, NSURLRequest *request, NSURLResponse *redirectResponse))block {
+    self.redirectResponse = block;
+}
+
+#pragma mark - NSOperation
+
+- (void)setCompletionBlock:(void (^)(void))block {
+    [self.lock lock];
+    if (!block) {
+        [super setCompletionBlock:nil];
+    } else {
+        __weak __typeof(self)weakSelf = self;
+        [super setCompletionBlock:^ {
+            __strong __typeof(weakSelf)strongSelf = weakSelf;
+
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
+            dispatch_group_t group = strongSelf.completionGroup ?: url_request_operation_completion_group();
+            dispatch_queue_t queue = strongSelf.completionQueue ?: dispatch_get_main_queue();
+#pragma clang diagnostic pop
+
+            dispatch_group_async(group, queue, ^{
+                block();
+            });
+
+            dispatch_group_notify(group, url_request_operation_completion_queue(), ^{
+                [strongSelf setCompletionBlock:nil];
+            });
+        }];
+    }
+    [self.lock unlock];
+}
+
+- (BOOL)isReady {
+    return self.state == AFOperationReadyState && [super isReady];
+}
+
+- (BOOL)isExecuting {
+    return self.state == AFOperationExecutingState;
+}
+
+- (BOOL)isFinished {
+    return self.state == AFOperationFinishedState;
+}
+
+- (BOOL)isConcurrent {
+    return YES;
+}
+
+- (void)start {
+    [self.lock lock];
+    if ([self isCancelled]) {
+        [self performSelector:@selector(cancelConnection) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+    } else if ([self isReady]) {
+        self.state = AFOperationExecutingState;
+
+        [self performSelector:@selector(operationDidStart) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+    }
+    [self.lock unlock];
+}
+
+- (void)operationDidStart {
+    [self.lock lock];
+    if (![self isCancelled]) {
+        self.connection = [[NSURLConnection alloc] initWithRequest:self.request delegate:self startImmediately:NO];
+
+        NSRunLoop *runLoop = [NSRunLoop currentRunLoop];
+        for (NSString *runLoopMode in self.runLoopModes) {
+            [self.connection scheduleInRunLoop:runLoop forMode:runLoopMode];
+            [self.outputStream scheduleInRunLoop:runLoop forMode:runLoopMode];
+        }
+
+        [self.outputStream open];
+        [self.connection start];
+    }
+    [self.lock unlock];
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidStartNotification object:self];
+    });
+}
+
+- (void)finish {
+    [self.lock lock];
+    self.state = AFOperationFinishedState;
+    [self.lock unlock];
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+        [[NSNotificationCenter defaultCenter] postNotificationName:AFNetworkingOperationDidFinishNotification object:self];
+    });
+}
+
+- (void)cancel {
+    [self.lock lock];
+    if (![self isFinished] && ![self isCancelled]) {
+        [super cancel];
+
+        if ([self isExecuting]) {
+            [self performSelector:@selector(cancelConnection) onThread:[[self class] networkRequestThread] withObject:nil waitUntilDone:NO modes:[self.runLoopModes allObjects]];
+        }
+    }
+    [self.lock unlock];
+}
+
+- (void)cancelConnection {
+    NSDictionary *userInfo = nil;
+    if ([self.request URL]) {
+        userInfo = @{NSURLErrorFailingURLErrorKey : [self.request URL]};
+    }
+    NSError *error = [NSError errorWithDomain:NSURLErrorDomain code:NSURLErrorCancelled userInfo:userInfo];
+
+    if (![self isFinished]) {
+        if (self.connection) {
+            [self.connection cancel];
+            [self performSelector:@selector(connection:didFailWithError:) withObject:self.connection withObject:error];
+        } else {
+            // Accommodate race condition where `self.connection` has not yet been set before cancellation
+            self.error = error;
+            [self finish];
+        }
+    }
+}
+
+#pragma mark -
+
+ (NSArray *)batchOfRequestOperations:(NSArray *)operations
+                        progressBlock:(void (^)(NSUInteger numberOfFinishedOperations, NSUInteger totalNumberOfOperations))progressBlock
+                      completionBlock:(void (^)(NSArray *operations))completionBlock
+{
+    if (!operations || [operations count] == 0) {
+        return @[[NSBlockOperation blockOperationWithBlock:^{
+            dispatch_async(dispatch_get_main_queue(), ^{
+                if (completionBlock) {
+                    completionBlock(@[]);
+                }
+            });
+        }]];
+    }
+
+    __block dispatch_group_t group = dispatch_group_create();
+    NSBlockOperation *batchedOperation = [NSBlockOperation blockOperationWithBlock:^{
+        dispatch_group_notify(group, dispatch_get_main_queue(), ^{
+            if (completionBlock) {
+                completionBlock(operations);
+            }
+        });
+    }];
+
+    for (AFURLConnectionOperation *operation in operations) {
+        operation.completionGroup = group;
+        void (^originalCompletionBlock)(void) = [operation.completionBlock copy];
+        __weak __typeof(operation)weakOperation = operation;
+        operation.completionBlock = ^{
+            __strong __typeof(weakOperation)strongOperation = weakOperation;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
+            dispatch_queue_t queue = strongOperation.completionQueue ?: dispatch_get_main_queue();
+#pragma clang diagnostic pop
+            dispatch_group_async(group, queue, ^{
+                if (originalCompletionBlock) {
+                    originalCompletionBlock();
+                }
+
+                NSUInteger numberOfFinishedOperations = [[operations indexesOfObjectsPassingTest:^BOOL(id op, NSUInteger __unused idx,  BOOL __unused *stop) {
+                    return [op isFinished];
+                }] count];
+
+                if (progressBlock) {
+                    progressBlock(numberOfFinishedOperations, [operations count]);
+                }
+
+                dispatch_group_leave(group);
+            });
+        };
+
+        dispatch_group_enter(group);
+        [batchedOperation addDependency:operation];
+    }
+
+    return [operations arrayByAddingObject:batchedOperation];
+}
+
+#pragma mark - NSObject
+
+- (NSString *)description {
+    [self.lock lock];
+    NSString *description = [NSString stringWithFormat:@"<%@: %p, state: %@, cancelled: %@ request: %@, response: %@>", NSStringFromClass([self class]), self, AFKeyPathFromOperationState(self.state), ([self isCancelled] ? @"YES" : @"NO"), self.request, self.response];
+    [self.lock unlock];
+    return description;
+}
+
+#pragma mark - NSURLConnectionDelegate
+
+- (void)connection:(NSURLConnection *)connection
+willSendRequestForAuthenticationChallenge:(NSURLAuthenticationChallenge *)challenge
+{
+    if (self.authenticationChallenge) {
+        self.authenticationChallenge(connection, challenge);
+        return;
+    }
+
+    if ([challenge.protectionSpace.authenticationMethod isEqualToString:NSURLAuthenticationMethodServerTrust]) {
+        if ([self.securityPolicy evaluateServerTrust:challenge.protectionSpace.serverTrust forDomain:challenge.protectionSpace.host]) {
+            NSURLCredential *credential = [NSURLCredential credentialForTrust:challenge.protectionSpace.serverTrust];
+            [[challenge sender] useCredential:credential forAuthenticationChallenge:challenge];
+        } else {
+            [[challenge sender] cancelAuthenticationChallenge:challenge];
+        }
+    } else {
+        if ([challenge previousFailureCount] == 0) {
+            if (self.credential) {
+                [[challenge sender] useCredential:self.credential forAuthenticationChallenge:challenge];
+            } else {
+                [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
+            }
+        } else {
+            [[challenge sender] continueWithoutCredentialForAuthenticationChallenge:challenge];
+        }
+    }
+}
+
+- (BOOL)connectionShouldUseCredentialStorage:(NSURLConnection __unused *)connection {
+    return self.shouldUseCredentialStorage;
+}
+
+- (NSURLRequest *)connection:(NSURLConnection *)connection
+             willSendRequest:(NSURLRequest *)request
+            redirectResponse:(NSURLResponse *)redirectResponse
+{
+    if (self.redirectResponse) {
+        return self.redirectResponse(connection, request, redirectResponse);
+    } else {
+        return request;
+    }
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+   didSendBodyData:(NSInteger)bytesWritten
+ totalBytesWritten:(NSInteger)totalBytesWritten
+totalBytesExpectedToWrite:(NSInteger)totalBytesExpectedToWrite
+{
+    dispatch_async(dispatch_get_main_queue(), ^{
+        if (self.uploadProgress) {
+            self.uploadProgress((NSUInteger)bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
+        }
+    });
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+didReceiveResponse:(NSURLResponse *)response
+{
+    self.response = response;
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+    didReceiveData:(NSData *)data
+{
+    NSUInteger length = [data length];
+    while (YES) {
+        NSInteger totalNumberOfBytesWritten = 0;
+        if ([self.outputStream hasSpaceAvailable]) {
+            const uint8_t *dataBuffer = (uint8_t *)[data bytes];
+
+            NSInteger numberOfBytesWritten = 0;
+            while (totalNumberOfBytesWritten < (NSInteger)length) {
+                numberOfBytesWritten = [self.outputStream write:&dataBuffer[(NSUInteger)totalNumberOfBytesWritten] maxLength:(length - (NSUInteger)totalNumberOfBytesWritten)];
+                if (numberOfBytesWritten == -1) {
+                    break;
+                }
+
+                totalNumberOfBytesWritten += numberOfBytesWritten;
+            }
+
+            break;
+        } else {
+            [self.connection cancel];
+            if (self.outputStream.streamError) {
+                [self performSelector:@selector(connection:didFailWithError:) withObject:self.connection withObject:self.outputStream.streamError];
+            }
+            return;
+        }
+    }
+
+    dispatch_async(dispatch_get_main_queue(), ^{
+        self.totalBytesRead += (long long)length;
+
+        if (self.downloadProgress) {
+            self.downloadProgress(length, self.totalBytesRead, self.response.expectedContentLength);
+        }
+    });
+}
+
+- (void)connectionDidFinishLoading:(NSURLConnection __unused *)connection {
+    self.responseData = [self.outputStream propertyForKey:NSStreamDataWrittenToMemoryStreamKey];
+
+    [self.outputStream close];
+    if (self.responseData) {
+       self.outputStream = nil;
+    }
+
+    self.connection = nil;
+
+    [self finish];
+}
+
+- (void)connection:(NSURLConnection __unused *)connection
+  didFailWithError:(NSError *)error
+{
+    self.error = error;
+
+    [self.outputStream close];
+    if (self.responseData) {
+        self.outputStream = nil;
+    }
+
+    self.connection = nil;
+
+    [self finish];
+}
+
+- (NSCachedURLResponse *)connection:(NSURLConnection *)connection
+                  willCacheResponse:(NSCachedURLResponse *)cachedResponse
+{
+    if (self.cacheResponse) {
+        return self.cacheResponse(connection, cachedResponse);
+    } else {
+        if ([self isCancelled]) {
+            return nil;
+        }
+
+        return cachedResponse;
+    }
+}
+
+#pragma mark - NSSecureCoding
+
+ (BOOL)supportsSecureCoding {
+    return YES;
+}
+
+- (id)initWithCoder:(NSCoder *)decoder {
+    NSURLRequest *request = [decoder decodeObjectOfClass:[NSURLRequest class] forKey:NSStringFromSelector(@selector(request))];
+
+    self = [self initWithRequest:request];
+    if (!self) {
+        return nil;
+    }
+
+    self.state = (AFOperationState)[[decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(state))] integerValue];
+    self.response = [decoder decodeObjectOfClass:[NSHTTPURLResponse class] forKey:NSStringFromSelector(@selector(response))];
+    self.error = [decoder decodeObjectOfClass:[NSError class] forKey:NSStringFromSelector(@selector(error))];
+    self.responseData = [decoder decodeObjectOfClass:[NSData class] forKey:NSStringFromSelector(@selector(responseData))];
+    self.totalBytesRead = [[decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(totalBytesRead))] longLongValue];
+
+    return self;
+}
+
+- (void)encodeWithCoder:(NSCoder *)coder {
+    [self pause];
+
+    [coder encodeObject:self.request forKey:NSStringFromSelector(@selector(request))];
+
+    switch (self.state) {
+        case AFOperationExecutingState:
+        case AFOperationPausedState:
+            [coder encodeInteger:AFOperationReadyState forKey:NSStringFromSelector(@selector(state))];
+            break;
+        default:
+            [coder encodeInteger:self.state forKey:NSStringFromSelector(@selector(state))];
+            break;
+    }
+
+    [coder encodeObject:self.response forKey:NSStringFromSelector(@selector(response))];
+    [coder encodeObject:self.error forKey:NSStringFromSelector(@selector(error))];
+    [coder encodeObject:self.responseData forKey:NSStringFromSelector(@selector(responseData))];
+    [coder encodeInt64:self.totalBytesRead forKey:NSStringFromSelector(@selector(totalBytesRead))];
+}
+
+#pragma mark - NSCopying
+
+- (id)copyWithZone:(NSZone *)zone {
+    AFURLConnectionOperation *operation = [(AFURLConnectionOperation *)[[self class] allocWithZone:zone] initWithRequest:self.request];
+
+    operation.uploadProgress = self.uploadProgress;
+    operation.downloadProgress = self.downloadProgress;
+    operation.authenticationChallenge = self.authenticationChallenge;
+    operation.cacheResponse = self.cacheResponse;
+    operation.redirectResponse = self.redirectResponse;
+    operation.completionQueue = self.completionQueue;
+    operation.completionGroup = self.completionGroup;
+
+    return operation;
+}
+
+@end
--- a/AFNetworking/AFURLRequestSerialization.h
+++ b/AFNetworking/AFURLRequestSerialization.h
@ -1,5 +1,5 @@
 // AFURLRequestSerialization.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -20,9 +20,7 @@
 // THE SOFTWARE.

 #import <Foundation/Foundation.h>
-#import <TargetConditionals.h>
-
-#if TARGET_OS_IOS || TARGET_OS_TV
+#if TARGET_OS_IOS
 #import <UIKit/UIKit.h>
 #elif TARGET_OS_WATCH
 #import <WatchKit/WatchKit.h>
@ -30,31 +28,6 @@

 NS_ASSUME_NONNULL_BEGIN

-/**
- Returns a percent-escaped string following RFC 3986 for a query string key or value.
- RFC 3986 states that the following characters are "reserved" characters.
- - General Delimiters: ":", "#", "[", "]", "@", "?", "/"
- - Sub-Delimiters: "!", "$", "&", "'", "(", ")", "*", "+", ",", ";", "="
-
- In RFC 3986 - Section 3.4, it states that the "?" and "/" characters should not be escaped to allow
- query strings to include a URL. Therefore, all "reserved" characters with the exception of "?" and "/"
- should be percent-escaped in the query string.
- 
- @param string The string to be percent-escaped.
- 
- @return The percent-escaped string.
- */
-FOUNDATION_EXPORT NSString * AFPercentEscapedStringFromString(NSString *string);
-
-/**
- A helper method to generate encoded url query parameters for appending to the end of a URL.
-
- @param parameters A dictionary of key/values to be encoded.
-
- @return A url encoded query string
- */
-FOUNDATION_EXPORT NSString * AFQueryStringFromParameters(NSDictionary *parameters);
-
 /**
 The `AFURLRequestSerialization` protocol is adopted by an object that encodes parameters for a specified HTTP requests. Request serializers may encode parameters as query strings, HTTP bodies, setting the appropriate HTTP header fields as necessary.

@ -73,8 +46,11 @@ FOUNDATION_EXPORT NSString * AFQueryStringFromParameters(NSDictionary *parameter
 */
 - (nullable NSURLRequest *)requestBySerializingRequest:(NSURLRequest *)request
                               withParameters:(nullable id)parameters
-                                        error:(NSError * _Nullable __autoreleasing *)error NS_SWIFT_NOTHROW;
-
+                                        error:(NSError * __nullable __autoreleasing *)error
+#ifdef NS_SWIFT_NOTHROW
+NS_SWIFT_NOTHROW
+#endif
+;
@end

 #pragma mark -
@ -154,7 +130,7 @@ typedef NS_ENUM(NSUInteger, AFHTTPRequestQueryStringSerializationStyle) {

 @discussion To add or remove default request headers, use `setValue:forHTTPHeaderField:`.
 */
-@property (readonly, nonatomic, strong) NSDictionary <NSString *, NSString *> *HTTPRequestHeaders;
+@property (readonly, nonatomic, strong) NSDictionary *HTTPRequestHeaders;

 /**
 Creates and returns a serializer with default configuration.
@ -188,6 +164,12 @@ forHTTPHeaderField:(NSString *)field;
 - (void)setAuthorizationHeaderFieldWithUsername:(NSString *)username
                                       password:(NSString *)password;

+/**
+ @deprecated This method has been deprecated. Use -setValue:forHTTPHeaderField: instead.
+ */
+- (void)setAuthorizationHeaderFieldWithToken:(NSString *)token DEPRECATED_ATTRIBUTE;
+
+
 /**
 Clears any existing value for the "Authorization" HTTP header.
 */
@ -200,7 +182,7 @@ forHTTPHeaderField:(NSString *)field;
 /**
 HTTP methods for which serialized requests will encode parameters as a query string. `GET`, `HEAD`, and `DELETE` by default.
 */
-@property (nonatomic, strong) NSSet <NSString *> *HTTPMethodsEncodingParametersInURI;
+@property (nonatomic, strong) NSSet *HTTPMethodsEncodingParametersInURI;

 /**
 Set the method of query string serialization according to one of the pre-defined styles.
@ -222,6 +204,13 @@ forHTTPHeaderField:(NSString *)field;
 /// @name Creating Request Objects
 ///-------------------------------

+/**
+ @deprecated This method has been deprecated. Use -requestWithMethod:URLString:parameters:error: instead.
+ */
+- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
+                                 URLString:(NSString *)URLString
+                                parameters:(id)parameters DEPRECATED_ATTRIBUTE;
+
 /**
 Creates an `NSMutableURLRequest` object with the specified HTTP method and URL string.

@ -237,7 +226,15 @@ forHTTPHeaderField:(NSString *)field;
 - (NSMutableURLRequest *)requestWithMethod:(NSString *)method
                                 URLString:(NSString *)URLString
                                parameters:(nullable id)parameters
-                                     error:(NSError * _Nullable __autoreleasing *)error;
+                                     error:(NSError * __nullable __autoreleasing *)error;
+
+/**
+ @deprecated This method has been deprecated. Use -multipartFormRequestWithMethod:URLString:parameters:constructingBodyWithBlock:error: instead.
+ */
+- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
+                                              URLString:(NSString *)URLString
+                                             parameters:(NSDictionary *)parameters
+                              constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block DEPRECATED_ATTRIBUTE;

 /**
 Creates an `NSMutableURLRequest` object with the specified HTTP method and URLString, and constructs a `multipart/form-data` HTTP body, using the specified parameters and multipart form data block. See http://www.w3.org/TR/html4/interact/forms.html#h-17.13.4.2
@ -254,9 +251,9 @@ forHTTPHeaderField:(NSString *)field;
 */
 - (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
                                              URLString:(NSString *)URLString
-                                             parameters:(nullable NSDictionary <NSString *, id> *)parameters
+                                             parameters:(nullable NSDictionary *)parameters
                              constructingBodyWithBlock:(nullable void (^)(id <AFMultipartFormData> formData))block
-                                                  error:(NSError * _Nullable __autoreleasing *)error;
+                                                  error:(NSError * __nullable __autoreleasing *)error;

 /**
 Creates an `NSMutableURLRequest` by removing the `HTTPBodyStream` from a request, and asynchronously writing its contents into the specified file, invoking the completion handler when finished.
@ -271,7 +268,7 @@ forHTTPHeaderField:(NSString *)field;
 */
 - (NSMutableURLRequest *)requestWithMultipartFormRequest:(NSURLRequest *)request
                             writingStreamContentsToFile:(NSURL *)fileURL
-                                       completionHandler:(nullable void (^)(NSError * _Nullable error))handler;
+                                       completionHandler:(nullable void (^)(NSError * __nullable error))handler;

@end

@ -295,7 +292,7 @@ forHTTPHeaderField:(NSString *)field;
 */
 - (BOOL)appendPartWithFileURL:(NSURL *)fileURL
                         name:(NSString *)name
-                        error:(NSError * _Nullable __autoreleasing *)error;
+                        error:(NSError * __nullable __autoreleasing *)error;

 /**
 Appends the HTTP header `Content-Disposition: file; filename=#{filename}; name=#{name}"` and `Content-Type: #{mimeType}`, followed by the encoded file data and the multipart form boundary.
@ -312,7 +309,7 @@ forHTTPHeaderField:(NSString *)field;
                         name:(NSString *)name
                     fileName:(NSString *)fileName
                     mimeType:(NSString *)mimeType
-                        error:(NSError * _Nullable __autoreleasing *)error;
+                        error:(NSError * __nullable __autoreleasing *)error;

 /**
 Appends the HTTP header `Content-Disposition: file; filename=#{filename}; name=#{name}"` and `Content-Type: #{mimeType}`, followed by the data from the input stream and the multipart form boundary.
@ -359,7 +356,7 @@ forHTTPHeaderField:(NSString *)field;
 @param headers The HTTP headers to be appended to the form data.
 @param body The data to be encoded and appended to the form data. This parameter must not be `nil`.
 */
- (void)appendPartWithHeaders:(nullable NSDictionary <NSString *, NSString *> *)headers
+- (void)appendPartWithHeaders:(nullable NSDictionary *)headers
                         body:(NSData *)body;

 /**
--- a/AFNetworking/AFURLRequestSerialization.m
+++ b/AFNetworking/AFURLRequestSerialization.m
@ -1,5 +1,5 @@
 // AFURLRequestSerialization.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -21,7 +21,7 @@

 #import "AFURLRequestSerialization.h"

-#if TARGET_OS_IOS || TARGET_OS_WATCH || TARGET_OS_TV
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
 #import <MobileCoreServices/MobileCoreServices.h>
 #else
 #import <CoreServices/CoreServices.h>
@ -32,6 +32,35 @@ NSString * const AFNetworkingOperationFailingURLRequestErrorKey = @"com.alamofir

 typedef NSString * (^AFQueryStringSerializationBlock)(NSURLRequest *request, id parameters, NSError *__autoreleasing *error);

+static NSString * AFBase64EncodedStringFromString(NSString *string) {
+    NSData *data = [NSData dataWithBytes:[string UTF8String] length:[string lengthOfBytesUsingEncoding:NSUTF8StringEncoding]];
+    NSUInteger length = [data length];
+    NSMutableData *mutableData = [NSMutableData dataWithLength:((length + 2) / 3) * 4];
+
+    uint8_t *input = (uint8_t *)[data bytes];
+    uint8_t *output = (uint8_t *)[mutableData mutableBytes];
+
+    for (NSUInteger i = 0; i < length; i += 3) {
+        NSUInteger value = 0;
+        for (NSUInteger j = i; j < (i + 3); j++) {
+            value <<= 8;
+            if (j < length) {
+                value |= (0xFF & input[j]);
+            }
+        }
+
+        static uint8_t const kAFBase64EncodingTable[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+        NSUInteger idx = (i / 3) * 4;
+        output[idx + 0] = kAFBase64EncodingTable[(value >> 18) & 0x3F];
+        output[idx + 1] = kAFBase64EncodingTable[(value >> 12) & 0x3F];
+        output[idx + 2] = (i + 1) < length ? kAFBase64EncodingTable[(value >> 6)  & 0x3F] : '=';
+        output[idx + 3] = (i + 2) < length ? kAFBase64EncodingTable[(value >> 0)  & 0x3F] : '=';
+    }
+
+    return [[NSString alloc] initWithData:mutableData encoding:NSASCIIStringEncoding];
+}
+
 /**
 Returns a percent-escaped string following RFC 3986 for a query string key or value.
 RFC 3986 states that the following characters are "reserved" characters.
@ -44,7 +73,7 @@ typedef NSString * (^AFQueryStringSerializationBlock)(NSURLRequest *request, id
    - parameter string: The string to be percent-escaped.
    - returns: The percent-escaped string.
 */
-NSString * AFPercentEscapedStringFromString(NSString *string) {
+static NSString * AFPercentEscapedStringFromString(NSString *string) {
    static NSString * const kAFCharactersGeneralDelimitersToEncode = @":#[]@"; // does not include "?" or "/" due to RFC 3986 - Section 3.4
    static NSString * const kAFCharactersSubDelimitersToEncode = @"!$&'()*+,;=";

@ -60,7 +89,10 @@ NSString * AFPercentEscapedStringFromString(NSString *string) {
    NSMutableString *escaped = @"".mutableCopy;

    while (index < string.length) {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wgnu"
        NSUInteger length = MIN(string.length - index, batchSize);
+#pragma GCC diagnostic pop
        NSRange range = NSMakeRange(index, length);

        // To avoid breaking up character sequences such as 👴🏻👮🏽
@ -82,14 +114,14 @@ NSString * AFPercentEscapedStringFromString(NSString *string) {
@property (readwrite, nonatomic, strong) id field;
@property (readwrite, nonatomic, strong) id value;

- (instancetype)initWithField:(id)field value:(id)value;
+- (id)initWithField:(id)field value:(id)value;

 - (NSString *)URLEncodedStringValue;
@end

@implementation AFQueryStringPair

- (instancetype)initWithField:(id)field value:(id)value {
+- (id)initWithField:(id)field value:(id)value {
    self = [super init];
    if (!self) {
        return nil;
@ -116,7 +148,7 @@ NSString * AFPercentEscapedStringFromString(NSString *string) {
 FOUNDATION_EXPORT NSArray * AFQueryStringPairsFromDictionary(NSDictionary *dictionary);
 FOUNDATION_EXPORT NSArray * AFQueryStringPairsFromKeyAndValue(NSString *key, id value);

-NSString * AFQueryStringFromParameters(NSDictionary *parameters) {
+static NSString * AFQueryStringFromParameters(NSDictionary *parameters) {
    NSMutableArray *mutablePairs = [NSMutableArray array];
    for (AFQueryStringPair *pair in AFQueryStringPairsFromDictionary(parameters)) {
        [mutablePairs addObject:[pair URLEncodedStringValue]];
@ -186,7 +218,6 @@ static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerOb
@interface AFHTTPRequestSerializer ()
@property (readwrite, nonatomic, strong) NSMutableSet *mutableObservedChangedKeyPaths;
@property (readwrite, nonatomic, strong) NSMutableDictionary *mutableHTTPRequestHeaders;
-@property (readwrite, nonatomic, strong) dispatch_queue_t requestHeaderModificationQueue;
@property (readwrite, nonatomic, assign) AFHTTPRequestQueryStringSerializationStyle queryStringSerializationStyle;
@property (readwrite, nonatomic, copy) AFQueryStringSerializationBlock queryStringSerialization;
@end
@ -206,7 +237,6 @@ static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerOb
    self.stringEncoding = NSUTF8StringEncoding;

    self.mutableHTTPRequestHeaders = [NSMutableDictionary dictionary];
-    self.requestHeaderModificationQueue = dispatch_queue_create("requestHeaderModificationQueue", DISPATCH_QUEUE_CONCURRENT);

    // Accept-Language HTTP Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.4
    NSMutableArray *acceptLanguagesComponents = [NSMutableArray array];
@ -217,17 +247,19 @@ static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerOb
    }];
    [self setValue:[acceptLanguagesComponents componentsJoinedByString:@", "] forHTTPHeaderField:@"Accept-Language"];

-    // User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43
    NSString *userAgent = nil;
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
 #if TARGET_OS_IOS
+    // User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43
    userAgent = [NSString stringWithFormat:@"%@/%@ (%@; iOS %@; Scale/%0.2f)", [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleExecutableKey] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleIdentifierKey], [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleVersionKey], [[UIDevice currentDevice] model], [[UIDevice currentDevice] systemVersion], [[UIScreen mainScreen] scale]];
-#elif TARGET_OS_TV
-    userAgent = [NSString stringWithFormat:@"%@/%@ (%@; tvOS %@; Scale/%0.2f)", [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleExecutableKey] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleIdentifierKey], [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleVersionKey], [[UIDevice currentDevice] model], [[UIDevice currentDevice] systemVersion], [[UIScreen mainScreen] scale]];
 #elif TARGET_OS_WATCH
+    // User-Agent Header; see http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.43
    userAgent = [NSString stringWithFormat:@"%@/%@ (%@; watchOS %@; Scale/%0.2f)", [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleExecutableKey] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleIdentifierKey], [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleVersionKey], [[WKInterfaceDevice currentDevice] model], [[WKInterfaceDevice currentDevice] systemVersion], [[WKInterfaceDevice currentDevice] screenScale]];
 #elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
    userAgent = [NSString stringWithFormat:@"%@/%@ (Mac OS X %@)", [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleExecutableKey] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleIdentifierKey], [[NSBundle mainBundle] infoDictionary][@"CFBundleShortVersionString"] ?: [[NSBundle mainBundle] infoDictionary][(__bridge NSString *)kCFBundleVersionKey], [[NSProcessInfo processInfo] operatingSystemVersionString]];
 #endif
+#pragma clang diagnostic pop
    if (userAgent) {
        if (![userAgent canBeConvertedToEncoding:NSASCIIStringEncoding]) {
            NSMutableString *mutableUserAgent = [userAgent mutableCopy];
@ -303,41 +335,32 @@ static void *AFHTTPRequestSerializerObserverContext = &AFHTTPRequestSerializerOb
 #pragma mark -

 - (NSDictionary *)HTTPRequestHeaders {
-    NSDictionary __block *value;
-    dispatch_sync(self.requestHeaderModificationQueue, ^{
-        value = [NSDictionary dictionaryWithDictionary:self.mutableHTTPRequestHeaders];
-    });
-    return value;
+    return [NSDictionary dictionaryWithDictionary:self.mutableHTTPRequestHeaders];
 }

 - (void)setValue:(NSString *)value
 forHTTPHeaderField:(NSString *)field
 {
-    dispatch_barrier_sync(self.requestHeaderModificationQueue, ^{
-        [self.mutableHTTPRequestHeaders setValue:value forKey:field];
-    });
+	[self.mutableHTTPRequestHeaders setValue:value forKey:field];
 }

 - (NSString *)valueForHTTPHeaderField:(NSString *)field {
-    NSString __block *value;
-    dispatch_sync(self.requestHeaderModificationQueue, ^{
-        value = [self.mutableHTTPRequestHeaders valueForKey:field];
-    });
-    return value;
+    return [self.mutableHTTPRequestHeaders valueForKey:field];
 }

 - (void)setAuthorizationHeaderFieldWithUsername:(NSString *)username
                                       password:(NSString *)password
 {
-    NSData *basicAuthCredentials = [[NSString stringWithFormat:@"%@:%@", username, password] dataUsingEncoding:NSUTF8StringEncoding];
-    NSString *base64AuthCredentials = [basicAuthCredentials base64EncodedStringWithOptions:(NSDataBase64EncodingOptions)0];
-    [self setValue:[NSString stringWithFormat:@"Basic %@", base64AuthCredentials] forHTTPHeaderField:@"Authorization"];
+	NSString *basicAuthCredentials = [NSString stringWithFormat:@"%@:%@", username, password];
+    [self setValue:[NSString stringWithFormat:@"Basic %@", AFBase64EncodedStringFromString(basicAuthCredentials)] forHTTPHeaderField:@"Authorization"];
+}
+
+- (void)setAuthorizationHeaderFieldWithToken:(NSString *)token {
+    [self setValue:[NSString stringWithFormat:@"Token token=\"%@\"", token] forHTTPHeaderField:@"Authorization"];
 }

 - (void)clearAuthorizationHeader {
-    dispatch_barrier_sync(self.requestHeaderModificationQueue, ^{
-        [self.mutableHTTPRequestHeaders removeObjectForKey:@"Authorization"];
-    });
+	[self.mutableHTTPRequestHeaders removeObjectForKey:@"Authorization"];
 }

 #pragma mark -
@ -353,6 +376,13 @@ forHTTPHeaderField:(NSString *)field

 #pragma mark -

+- (NSMutableURLRequest *)requestWithMethod:(NSString *)method
+                                 URLString:(NSString *)URLString
+                                parameters:(id)parameters
+{
+    return [self requestWithMethod:method URLString:URLString parameters:parameters error:nil];
+}
+
 - (NSMutableURLRequest *)requestWithMethod:(NSString *)method
                                 URLString:(NSString *)URLString
                                parameters:(id)parameters
@ -379,6 +409,14 @@ forHTTPHeaderField:(NSString *)field
 	return mutableRequest;
 }

+- (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
+                                              URLString:(NSString *)URLString
+                                             parameters:(NSDictionary *)parameters
+                              constructingBodyWithBlock:(void (^)(id <AFMultipartFormData> formData))block
+{
+    return [self multipartFormRequestWithMethod:method URLString:URLString parameters:parameters constructingBodyWithBlock:block error:nil];
+}
+
 - (NSMutableURLRequest *)multipartFormRequestWithMethod:(NSString *)method
                                              URLString:(NSString *)URLString
                                             parameters:(NSDictionary *)parameters
@ -509,7 +547,7 @@ forHTTPHeaderField:(NSString *)field
    }

    if ([self.HTTPMethodsEncodingParametersInURI containsObject:[[request HTTPMethod] uppercaseString]]) {
-        if (query && query.length > 0) {
+        if (query) {
            mutableRequest.URL = [NSURL URLWithString:[[mutableRequest.URL absoluteString] stringByAppendingFormat:mutableRequest.URL.query ? @"&%@" : @"?%@", query]];
        }
    } else {
@ -556,7 +594,7 @@ forHTTPHeaderField:(NSString *)field
    return YES;
 }

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [self init];
    if (!self) {
        return nil;
@ -569,19 +607,15 @@ forHTTPHeaderField:(NSString *)field
 }

 - (void)encodeWithCoder:(NSCoder *)coder {
-    dispatch_sync(self.requestHeaderModificationQueue, ^{
-        [coder encodeObject:self.mutableHTTPRequestHeaders forKey:NSStringFromSelector(@selector(mutableHTTPRequestHeaders))];
-    });
-    [coder encodeObject:@(self.queryStringSerializationStyle) forKey:NSStringFromSelector(@selector(queryStringSerializationStyle))];
+    [coder encodeObject:self.mutableHTTPRequestHeaders forKey:NSStringFromSelector(@selector(mutableHTTPRequestHeaders))];
+    [coder encodeInteger:self.queryStringSerializationStyle forKey:NSStringFromSelector(@selector(queryStringSerializationStyle))];
 }

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFHTTPRequestSerializer *serializer = [[[self class] allocWithZone:zone] init];
-    dispatch_sync(self.requestHeaderModificationQueue, ^{
-        serializer.mutableHTTPRequestHeaders = [self.mutableHTTPRequestHeaders mutableCopyWithZone:zone];
-    });
+    serializer.mutableHTTPRequestHeaders = [self.mutableHTTPRequestHeaders mutableCopyWithZone:zone];
    serializer.queryStringSerializationStyle = self.queryStringSerializationStyle;
    serializer.queryStringSerialization = self.queryStringSerialization;

@ -611,6 +645,7 @@ static inline NSString * AFMultipartFormFinalBoundary(NSString *boundary) {
 }

 static inline NSString * AFContentTypeForPathExtension(NSString *extension) {
+#ifdef __UTTYPE__
    NSString *UTI = (__bridge_transfer NSString *)UTTypeCreatePreferredIdentifierForTag(kUTTagClassFilenameExtension, (__bridge CFStringRef)extension, NULL);
    NSString *contentType = (__bridge_transfer NSString *)UTTypeCopyPreferredTagWithClass((__bridge CFStringRef)UTI, kUTTagClassMIMEType);
    if (!contentType) {
@ -618,6 +653,10 @@ static inline NSString * AFContentTypeForPathExtension(NSString *extension) {
    } else {
        return contentType;
    }
+#else
+#pragma unused (extension)
+    return @"application/octet-stream";
+#endif
 }

 NSUInteger const kAFUploadStream3GSuggestedPacketSize = 1024 * 16;
@ -648,7 +687,7 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
@property (readonly, nonatomic, assign) unsigned long long contentLength;
@property (readonly, nonatomic, assign, getter = isEmpty) BOOL empty;

- (instancetype)initWithStringEncoding:(NSStringEncoding)encoding;
+- (id)initWithStringEncoding:(NSStringEncoding)encoding;
 - (void)setInitialAndFinalBoundaries;
 - (void)appendHTTPBodyPart:(AFHTTPBodyPart *)bodyPart;
@end
@ -664,8 +703,8 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;

@implementation AFStreamingMultipartFormData

- (instancetype)initWithURLRequest:(NSMutableURLRequest *)urlRequest
-                    stringEncoding:(NSStringEncoding)encoding
+- (id)initWithURLRequest:(NSMutableURLRequest *)urlRequest
+          stringEncoding:(NSStringEncoding)encoding
 {
    self = [super init];
    if (!self) {
@ -680,11 +719,6 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
    return self;
 }

- (void)setRequest:(NSMutableURLRequest *)request
-{
-    _request = [request mutableCopy];
-}
-
 - (BOOL)appendPartWithFileURL:(NSURL *)fileURL
                         name:(NSString *)name
                        error:(NSError * __autoreleasing *)error
@ -853,13 +887,16 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
@end

@implementation AFMultipartBodyStream
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wimplicit-atomic-properties"
 #if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 80000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1100)
@synthesize delegate;
 #endif
@synthesize streamStatus;
@synthesize streamError;
+#pragma clang diagnostic pop

- (instancetype)initWithStringEncoding:(NSStringEncoding)encoding {
+- (id)initWithStringEncoding:(NSStringEncoding)encoding {
    self = [super init];
    if (!self) {
        return nil;
@ -903,13 +940,15 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;

    NSInteger totalNumberOfBytesRead = 0;

+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
    while ((NSUInteger)totalNumberOfBytesRead < MIN(length, self.numberOfBytesInPacket)) {
        if (!self.currentHTTPBodyPart || ![self.currentHTTPBodyPart hasBytesAvailable]) {
            if (!(self.currentHTTPBodyPart = [self.HTTPBodyPartEnumerator nextObject])) {
                break;
            }
        } else {
-            NSUInteger maxLength = MIN(length, self.numberOfBytesInPacket) - (NSUInteger)totalNumberOfBytesRead;
+            NSUInteger maxLength = length - (NSUInteger)totalNumberOfBytesRead;
            NSInteger numberOfBytesRead = [self.currentHTTPBodyPart read:&buffer[totalNumberOfBytesRead] maxLength:maxLength];
            if (numberOfBytesRead == -1) {
                self.streamError = self.currentHTTPBodyPart.inputStream.streamError;
@ -923,6 +962,7 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;
            }
        }
    }
+#pragma clang diagnostic pop

    return totalNumberOfBytesRead;
 }
@ -999,7 +1039,7 @@ NSTimeInterval const kAFUploadStream3GSuggestedDelay = 0.2;

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+-(id)copyWithZone:(NSZone *)zone {
    AFMultipartBodyStream *bodyStreamCopy = [[[self class] allocWithZone:zone] initWithStringEncoding:self.stringEncoding];

    for (AFHTTPBodyPart *bodyPart in self.HTTPBodyParts) {
@ -1036,7 +1076,7 @@ typedef enum {

@implementation AFHTTPBodyPart

- (instancetype)init {
+- (id)init {
    self = [super init];
    if (!self) {
        return nil;
@ -1103,6 +1143,8 @@ typedef enum {
        return YES;
    }

+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcovered-switch-default"
    switch (self.inputStream.streamStatus) {
        case NSStreamStatusNotOpen:
        case NSStreamStatusOpening:
@ -1116,6 +1158,7 @@ typedef enum {
        default:
            return NO;
    }
+#pragma clang diagnostic pop
 }

 - (NSInteger)read:(uint8_t *)buffer
@ -1160,8 +1203,11 @@ typedef enum {
           intoBuffer:(uint8_t *)buffer
            maxLength:(NSUInteger)length
 {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
    NSRange range = NSMakeRange((NSUInteger)_phaseReadOffset, MIN([data length] - ((NSUInteger)_phaseReadOffset), length));
    [data getBytes:buffer range:range];
+#pragma clang diagnostic pop

    _phaseReadOffset += range.length;

@ -1180,6 +1226,8 @@ typedef enum {
        return YES;
    }

+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wcovered-switch-default"
    switch (_phase) {
        case AFEncapsulationBoundaryPhase:
            _phase = AFHeaderPhase;
@ -1199,13 +1247,14 @@ typedef enum {
            break;
    }
    _phaseReadOffset = 0;
+#pragma clang diagnostic pop

    return YES;
 }

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFHTTPBodyPart *bodyPart = [[[self class] allocWithZone:zone] init];

    bodyPart.stringEncoding = self.stringEncoding;
@ -1260,21 +1309,7 @@ typedef enum {
            [mutableRequest setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
        }

-        if (![NSJSONSerialization isValidJSONObject:parameters]) {
-            if (error) {
-                NSDictionary *userInfo = @{NSLocalizedFailureReasonErrorKey: NSLocalizedStringFromTable(@"The `parameters` argument is not valid JSON.", @"AFNetworking", nil)};
-                *error = [[NSError alloc] initWithDomain:AFURLRequestSerializationErrorDomain code:NSURLErrorCannotDecodeContentData userInfo:userInfo];
-            }
-            return nil;
-        }
-
-        NSData *jsonData = [NSJSONSerialization dataWithJSONObject:parameters options:self.writingOptions error:error];
-        
-        if (!jsonData) {
-            return nil;
-        }
-        
-        [mutableRequest setHTTPBody:jsonData];
+        [mutableRequest setHTTPBody:[NSJSONSerialization dataWithJSONObject:parameters options:self.writingOptions error:error]];
    }

    return mutableRequest;
@ -1282,7 +1317,7 @@ typedef enum {

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -1296,12 +1331,12 @@ typedef enum {
 - (void)encodeWithCoder:(NSCoder *)coder {
    [super encodeWithCoder:coder];

-    [coder encodeObject:@(self.writingOptions) forKey:NSStringFromSelector(@selector(writingOptions))];
+    [coder encodeInteger:self.writingOptions forKey:NSStringFromSelector(@selector(writingOptions))];
 }

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFJSONRequestSerializer *serializer = [super copyWithZone:zone];
    serializer.writingOptions = self.writingOptions;

@ -1353,13 +1388,7 @@ typedef enum {
            [mutableRequest setValue:@"application/x-plist" forHTTPHeaderField:@"Content-Type"];
        }

-        NSData *plistData = [NSPropertyListSerialization dataWithPropertyList:parameters format:self.format options:self.writeOptions error:error];
-        
-        if (!plistData) {
-            return nil;
-        }
-        
-        [mutableRequest setHTTPBody:plistData];
+        [mutableRequest setHTTPBody:[NSPropertyListSerialization dataWithPropertyList:parameters format:self.format options:self.writeOptions error:error]];
    }

    return mutableRequest;
@ -1367,7 +1396,7 @@ typedef enum {

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -1382,13 +1411,13 @@ typedef enum {
 - (void)encodeWithCoder:(NSCoder *)coder {
    [super encodeWithCoder:coder];

-    [coder encodeObject:@(self.format) forKey:NSStringFromSelector(@selector(format))];
+    [coder encodeInteger:self.format forKey:NSStringFromSelector(@selector(format))];
    [coder encodeObject:@(self.writeOptions) forKey:NSStringFromSelector(@selector(writeOptions))];
 }

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFPropertyListRequestSerializer *serializer = [super copyWithZone:zone];
    serializer.format = self.format;
    serializer.writeOptions = self.writeOptions;
--- a/AFNetworking/AFURLResponseSerialization.h
+++ b/AFNetworking/AFURLResponseSerialization.h
@ -1,5 +1,5 @@
 // AFURLResponseSerialization.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -24,11 +24,6 @@

 NS_ASSUME_NONNULL_BEGIN

-/**
- Recursively removes `NSNull` values from a JSON object.
-*/
-id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions readingOptions);
-
 /**
 The `AFURLResponseSerialization` protocol is adopted by an object that decodes data into a more useful object representation, according to details in the server response. Response serializers may additionally perform validation on the incoming response and data.

@ -47,7 +42,11 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 */
 - (nullable id)responseObjectForResponse:(nullable NSURLResponse *)response
                           data:(nullable NSData *)data
-                          error:(NSError * _Nullable __autoreleasing *)error NS_SWIFT_NOTHROW;
+                          error:(NSError * __nullable __autoreleasing *)error
+#ifdef NS_SWIFT_NOTHROW
+NS_SWIFT_NOTHROW
+#endif
+;

@end

@ -62,7 +61,10 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 - (instancetype)init;

-@property (nonatomic, assign) NSStringEncoding stringEncoding DEPRECATED_MSG_ATTRIBUTE("The string encoding is never used. AFHTTPResponseSerializer only validates status codes and content types but does not try to decode the received data in any way.");
+/**
+ The string encoding used to serialize data received from the server, when no string encoding is specified by the response. `NSUTF8StringEncoding` by default.
+ */
+@property (nonatomic, assign) NSStringEncoding stringEncoding;

 /**
 Creates and returns a serializer with default configuration.
@ -83,7 +85,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 /**
 The acceptable MIME types for responses. When non-`nil`, responses with a `Content-Type` with MIME types that do not intersect with the set will result in an error during validation.
 */
-@property (nonatomic, copy, nullable) NSSet <NSString *> *acceptableContentTypes;
+@property (nonatomic, copy, nullable) NSSet *acceptableContentTypes;

 /**
 Validates the specified response and data.
@ -98,7 +100,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 */
 - (BOOL)validateResponse:(nullable NSHTTPURLResponse *)response
                    data:(nullable NSData *)data
-                   error:(NSError * _Nullable __autoreleasing *)error;
+                   error:(NSError * __nullable __autoreleasing *)error;

@end

@ -113,8 +115,6 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 - `application/json`
 - `text/json`
 - `text/javascript`
-
- In RFC 7159 - Section 8.1, it states that JSON text is required to be encoded in UTF-8, UTF-16, or UTF-32, and the default encoding is UTF-8. NSJSONSerialization provides support for all the encodings listed in the specification, and recommends UTF-8 for efficiency. Using an unsupported encoding will result in serialization error. See the `NSJSONSerialization` documentation for more details.
 */
@interface AFJSONResponseSerializer : AFHTTPResponseSerializer

@ -170,7 +170,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 - (instancetype)init;

 /**
- Input and output options specifically intended for `NSXMLDocument` objects. For possible values, see the `NSXMLDocument` documentation section "Input and Output Options". `0` by default.
+ Input and output options specifically intended for `NSXMLDocument` objects. For possible values, see the `NSJSONSerialization` documentation section "NSJSONReadingOptions". `0` by default.
 */
@property (nonatomic, assign) NSUInteger options;

@ -239,7 +239,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 */
@interface AFImageResponseSerializer : AFHTTPResponseSerializer

-#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
 /**
 The scale factor used when interpreting the image data to construct `responseImage`. Specifying a scale factor of 1.0 results in an image whose size matches the pixel-based dimensions of the image. Applying a different scale factor changes the size of the image as reported by the size property. This is set to the value of scale of the main screen by default, which automatically scales images for retina displays, for instance.
 */
@ -263,14 +263,14 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
 /**
 The component response serializers.
 */
-@property (readonly, nonatomic, copy) NSArray <id<AFURLResponseSerialization>> *responseSerializers;
+@property (readonly, nonatomic, copy) NSArray *responseSerializers;

 /**
 Creates and returns a compound serializer comprised of the specified response serializers.

 @warning Each response serializer specified must be a subclass of `AFHTTPResponseSerializer`, and response to `-validateResponse:data:error:`.
 */
-+ (instancetype)compoundSerializerWithResponseSerializers:(NSArray <id<AFURLResponseSerialization>> *)responseSerializers;
+ (instancetype)compoundSerializerWithResponseSerializers:(NSArray *)responseSerializers;

@end

--- a/AFNetworking/AFURLResponseSerialization.m
+++ b/AFNetworking/AFURLResponseSerialization.m
@ -1,5 +1,5 @@
 // AFURLResponseSerialization.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -21,8 +21,6 @@

 #import "AFURLResponseSerialization.h"

-#import <TargetConditionals.h>
-
 #if TARGET_OS_IOS
 #import <UIKit/UIKit.h>
 #elif TARGET_OS_WATCH
@ -60,13 +58,11 @@ static BOOL AFErrorOrUnderlyingErrorHasCodeInDomain(NSError *error, NSInteger co
    return NO;
 }

-id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions readingOptions) {
+static id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions readingOptions) {
    if ([JSONObject isKindOfClass:[NSArray class]]) {
        NSMutableArray *mutableArray = [NSMutableArray arrayWithCapacity:[(NSArray *)JSONObject count]];
        for (id value in (NSArray *)JSONObject) {
-            if (![value isEqual:[NSNull null]]) {
-                [mutableArray addObject:AFJSONObjectByRemovingKeysWithNullValues(value, readingOptions)];
-            }
+            [mutableArray addObject:AFJSONObjectByRemovingKeysWithNullValues(value, readingOptions)];
        }

        return (readingOptions & NSJSONReadingMutableContainers) ? mutableArray : [NSArray arrayWithArray:mutableArray];
@ -99,6 +95,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
        return nil;
    }

+    self.stringEncoding = NSUTF8StringEncoding;
+
    self.acceptableStatusCodes = [NSIndexSet indexSetWithIndexesInRange:NSMakeRange(200, 100)];
    self.acceptableContentTypes = nil;

@ -114,10 +112,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
    BOOL responseIsValid = YES;
    NSError *validationError = nil;

-    if ([response isKindOfClass:[NSHTTPURLResponse class]]) {
-        if (self.acceptableContentTypes && ![self.acceptableContentTypes containsObject:[response MIMEType]] &&
-            !([response MIMEType] == nil && [data length] == 0)) {
-
+    if (response && [response isKindOfClass:[NSHTTPURLResponse class]]) {
+        if (self.acceptableContentTypes && ![self.acceptableContentTypes containsObject:[response MIMEType]]) {
            if ([data length] > 0 && [response URL]) {
                NSMutableDictionary *mutableUserInfo = [@{
                                                          NSLocalizedDescriptionKey: [NSString stringWithFormat:NSLocalizedStringFromTable(@"Request failed: unacceptable content-type: %@", @"AFNetworking", nil), [response MIMEType]],
@ -175,14 +171,14 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
    return YES;
 }

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [self init];
    if (!self) {
        return nil;
    }

    self.acceptableStatusCodes = [decoder decodeObjectOfClass:[NSIndexSet class] forKey:NSStringFromSelector(@selector(acceptableStatusCodes))];
-    self.acceptableContentTypes = [decoder decodeObjectOfClass:[NSSet class] forKey:NSStringFromSelector(@selector(acceptableContentTypes))];
+    self.acceptableContentTypes = [decoder decodeObjectOfClass:[NSIndexSet class] forKey:NSStringFromSelector(@selector(acceptableContentTypes))];

    return self;
 }
@ -194,7 +190,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    AFHTTPResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];
    serializer.acceptableStatusCodes = [self.acceptableStatusCodes copyWithZone:zone];
    serializer.acceptableContentTypes = [self.acceptableContentTypes copyWithZone:zone];
@ -244,26 +240,46 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

    // Workaround for behavior of Rails to return a single space for `head :ok` (a workaround for a bug in Safari), which is not interpreted as valid input by NSJSONSerialization.
    // See https://github.com/rails/rails/issues/1742
-    BOOL isSpace = [data isEqualToData:[NSData dataWithBytes:" " length:1]];
-    
-    if (data.length == 0 || isSpace) {
-        return nil;
-    }
-    
-    NSError *serializationError = nil;
-    
-    id responseObject = [NSJSONSerialization JSONObjectWithData:data options:self.readingOptions error:&serializationError];
-
-    if (!responseObject)
-    {
-        if (error) {
-            *error = AFErrorWithUnderlyingError(serializationError, *error);
+    NSStringEncoding stringEncoding = self.stringEncoding;
+    if (response.textEncodingName) {
+        CFStringEncoding encoding = CFStringConvertIANACharSetNameToEncoding((CFStringRef)response.textEncodingName);
+        if (encoding != kCFStringEncodingInvalidId) {
+            stringEncoding = CFStringConvertEncodingToNSStringEncoding(encoding);
        }
-        return nil;
    }
-    
-    if (self.removesKeysWithNullValues) {
-        return AFJSONObjectByRemovingKeysWithNullValues(responseObject, self.readingOptions);
+
+    id responseObject = nil;
+    NSError *serializationError = nil;
+    @autoreleasepool {
+        NSString *responseString = [[NSString alloc] initWithData:data encoding:stringEncoding];
+        if (responseString && ![responseString isEqualToString:@" "]) {
+            // Workaround for a bug in NSJSONSerialization when Unicode character escape codes are used instead of the actual character
+            // See http://stackoverflow.com/a/12843465/157142
+            data = [responseString dataUsingEncoding:NSUTF8StringEncoding];
+
+            if (data) {
+                if ([data length] > 0) {
+                    responseObject = [NSJSONSerialization JSONObjectWithData:data options:self.readingOptions error:&serializationError];
+                } else {
+                    return nil;
+                }
+            } else {
+                NSDictionary *userInfo = @{
+                                           NSLocalizedDescriptionKey: NSLocalizedStringFromTable(@"Data failed decoding as a UTF-8 string", @"AFNetworking", nil),
+                                           NSLocalizedFailureReasonErrorKey: [NSString stringWithFormat:NSLocalizedStringFromTable(@"Could not decode string: %@", @"AFNetworking", nil), responseString]
+                                           };
+
+                serializationError = [NSError errorWithDomain:AFURLResponseSerializationErrorDomain code:NSURLErrorCannotDecodeContentData userInfo:userInfo];
+            }
+        }
+    }
+
+    if (self.removesKeysWithNullValues && responseObject) {
+        responseObject = AFJSONObjectByRemovingKeysWithNullValues(responseObject, self.readingOptions);
+    }
+
+    if (error) {
+        *error = AFErrorWithUnderlyingError(serializationError, *error);
    }

    return responseObject;
@ -271,7 +287,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -292,8 +308,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
-    AFJSONResponseSerializer *serializer = [super copyWithZone:zone];
+- (id)copyWithZone:(NSZone *)zone {
+    AFJSONResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];
    serializer.readingOptions = self.readingOptions;
    serializer.removesKeysWithNullValues = self.removesKeysWithNullValues;

@ -383,20 +399,16 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
    NSError *serializationError = nil;
    NSXMLDocument *document = [[NSXMLDocument alloc] initWithData:data options:self.options error:&serializationError];

-    if (!document)
-    {
-        if (error) {
-            *error = AFErrorWithUnderlyingError(serializationError, *error);
-        }
-        return nil;
+    if (error) {
+        *error = AFErrorWithUnderlyingError(serializationError, *error);
    }
-    
+
    return document;
 }

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -415,8 +427,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
-    AFXMLDocumentResponseSerializer *serializer = [super copyWithZone:zone];
+- (id)copyWithZone:(NSZone *)zone {
+    AFXMLDocumentResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];
    serializer.options = self.options;

    return serializer;
@ -467,20 +479,15 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions
        }
    }

-    if (!data) {
-        return nil;
-    }
-    
+    id responseObject;
    NSError *serializationError = nil;
-    
-    id responseObject = [NSPropertyListSerialization propertyListWithData:data options:self.readOptions format:NULL error:&serializationError];
-    
-    if (!responseObject)
-    {
-        if (error) {
-            *error = AFErrorWithUnderlyingError(serializationError, *error);
-        }
-        return nil;
+
+    if (data) {
+        responseObject = [NSPropertyListSerialization propertyListWithData:data options:self.readOptions format:NULL error:&serializationError];
+    }
+
+    if (error) {
+        *error = AFErrorWithUnderlyingError(serializationError, *error);
    }

    return responseObject;
@ -488,7 +495,7 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -509,8 +516,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
-    AFPropertyListResponseSerializer *serializer = [super copyWithZone:zone];
+- (id)copyWithZone:(NSZone *)zone {
+    AFPropertyListResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];
    serializer.format = self.format;
    serializer.readOptions = self.readOptions;

@ -521,9 +528,8 @@ id AFJSONObjectByRemovingKeysWithNullValues(id JSONObject, NSJSONReadingOptions

 #pragma mark -

-#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
 #import <CoreGraphics/CoreGraphics.h>
-#import <UIKit/UIKit.h>

@interface UIImage (AFNetworkingSafeImageLoading)
 + (UIImage *)af_safeImageWithData:(NSData *)data;
@ -661,10 +667,10 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r

    self.acceptableContentTypes = [[NSSet alloc] initWithObjects:@"image/tiff", @"image/jpeg", @"image/gif", @"image/png", @"image/ico", @"image/x-icon", @"image/bmp", @"image/x-bmp", @"image/x-xbitmap", @"image/x-win-bitmap", nil];

-#if TARGET_OS_IOS || TARGET_OS_TV
+#if TARGET_OS_IOS
    self.imageScale = [[UIScreen mainScreen] scale];
    self.automaticallyInflatesResponseImage = YES;
-#elif TARGET_OS_WATCH
+#elif  TARGET_OS_WATCH
    self.imageScale = [[WKInterfaceDevice currentDevice] screenScale];
    self.automaticallyInflatesResponseImage = YES;
 #endif
@ -684,13 +690,13 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r
        }
    }

-#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
    if (self.automaticallyInflatesResponseImage) {
        return AFInflatedImageFromResponseWithDataAtScale((NSHTTPURLResponse *)response, data, self.imageScale);
    } else {
        return AFImageWithDataAtScale(data, self.imageScale);
    }
-#else
+#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED)
    // Ensure that the image is set to it's correct pixel width and height
    NSBitmapImageRep *bitimage = [[NSBitmapImageRep alloc] initWithData:data];
    NSImage *image = [[NSImage alloc] initWithSize:NSMakeSize([bitimage pixelsWide], [bitimage pixelsHigh])];
@ -704,13 +710,13 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
    }

-#if TARGET_OS_IOS  || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
    NSNumber *imageScale = [decoder decodeObjectOfClass:[NSNumber class] forKey:NSStringFromSelector(@selector(imageScale))];
 #if CGFLOAT_IS_DOUBLE
    self.imageScale = [imageScale doubleValue];
@ -727,7 +733,7 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r
 - (void)encodeWithCoder:(NSCoder *)coder {
    [super encodeWithCoder:coder];

-#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
    [coder encodeObject:@(self.imageScale) forKey:NSStringFromSelector(@selector(imageScale))];
    [coder encodeBool:self.automaticallyInflatesResponseImage forKey:NSStringFromSelector(@selector(automaticallyInflatesResponseImage))];
 #endif
@ -735,10 +741,10 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
-    AFImageResponseSerializer *serializer = [super copyWithZone:zone];
+- (id)copyWithZone:(NSZone *)zone {
+    AFImageResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];

-#if TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_WATCH
+#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED)
    serializer.imageScale = self.imageScale;
    serializer.automaticallyInflatesResponseImage = self.automaticallyInflatesResponseImage;
 #endif
@ -790,7 +796,7 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r

 #pragma mark - NSSecureCoding

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    self = [super initWithCoder:decoder];
    if (!self) {
        return nil;
@ -809,8 +815,8 @@ static UIImage * AFInflatedImageFromResponseWithDataAtScale(NSHTTPURLResponse *r

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
-    AFCompoundResponseSerializer *serializer = [super copyWithZone:zone];
+- (id)copyWithZone:(NSZone *)zone {
+    AFCompoundResponseSerializer *serializer = [[[self class] allocWithZone:zone] init];
    serializer.responseSerializers = self.responseSerializers;

    return serializer;
--- a/AFNetworking/AFURLSessionManager.h
+++ b/AFNetworking/AFURLSessionManager.h
@ -1,5 +1,5 @@
 // AFURLSessionManager.h
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -19,17 +19,23 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-
 #import <Foundation/Foundation.h>

 #import "AFURLResponseSerialization.h"
 #import "AFURLRequestSerialization.h"
 #import "AFSecurityPolicy.h"
-#import "AFCompatibilityMacros.h"
 #if !TARGET_OS_WATCH
 #import "AFNetworkReachabilityManager.h"
 #endif

+#ifndef NS_DESIGNATED_INITIALIZER
+#if __has_attribute(objc_designated_initializer)
+#define NS_DESIGNATED_INITIALIZER __attribute__((objc_designated_initializer))
+#else
+#define NS_DESIGNATED_INITIALIZER
+#endif
+#endif
+
 /**
 `AFURLSessionManager` creates and manages an `NSURLSession` object based on a specified `NSURLSessionConfiguration` object, which conforms to `<NSURLSessionTaskDelegate>`, `<NSURLSessionDataDelegate>`, `<NSURLSessionDownloadDelegate>`, and `<NSURLSessionDelegate>`.

@ -52,7 +58,6 @@
 - `URLSession:willPerformHTTPRedirection:newRequest:completionHandler:`
 - `URLSession:task:didReceiveChallenge:completionHandler:`
 - `URLSession:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:`
- - `URLSession:task:needNewBodyStream:`
 - `URLSession:task:didCompleteWithError:`

 ### `NSURLSessionDataDelegate`
@ -65,7 +70,7 @@
 ### `NSURLSessionDownloadDelegate`

 - `URLSession:downloadTask:didFinishDownloadingToURL:`
- - `URLSession:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:`
+ - `URLSession:downloadTask:didWriteData:totalBytesWritten:totalBytesWritten:totalBytesExpectedToWrite:`
 - `URLSession:downloadTask:didResumeAtOffset:expectedTotalBytes:`

 If any of these methods are overridden in a subclass, they _must_ call the `super` implementation first.
@ -88,6 +93,8 @@

 NS_ASSUME_NONNULL_BEGIN

+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090) || TARGET_OS_WATCH
+
@interface AFURLSessionManager : NSObject <NSURLSessionDelegate, NSURLSessionTaskDelegate, NSURLSessionDataDelegate, NSURLSessionDownloadDelegate, NSSecureCoding, NSCopying>

 /**
@ -112,7 +119,7 @@ NS_ASSUME_NONNULL_BEGIN
 ///-------------------------------

 /**
- The security policy used by created session to evaluate server trust for secure connections. `AFURLSessionManager` uses the `defaultPolicy` unless otherwise specified.
+ The security policy used by created request operations to evaluate server trust for secure connections. `AFURLSessionManager` uses the `defaultPolicy` unless otherwise specified.
 */
@property (nonatomic, strong) AFSecurityPolicy *securityPolicy;

@ -134,22 +141,22 @@ NS_ASSUME_NONNULL_BEGIN
 /**
 The data, upload, and download tasks currently run by the managed session.
 */
-@property (readonly, nonatomic, strong) NSArray <NSURLSessionTask *> *tasks;
+@property (readonly, nonatomic, strong) NSArray *tasks;

 /**
 The data tasks currently run by the managed session.
 */
-@property (readonly, nonatomic, strong) NSArray <NSURLSessionDataTask *> *dataTasks;
+@property (readonly, nonatomic, strong) NSArray *dataTasks;

 /**
 The upload tasks currently run by the managed session.
 */
-@property (readonly, nonatomic, strong) NSArray <NSURLSessionUploadTask *> *uploadTasks;
+@property (readonly, nonatomic, strong) NSArray *uploadTasks;

 /**
 The download tasks currently run by the managed session.
 */
-@property (readonly, nonatomic, strong) NSArray <NSURLSessionDownloadTask *> *downloadTasks;
+@property (readonly, nonatomic, strong) NSArray *downloadTasks;

 ///-------------------------------
 /// @name Managing Callback Queues
@ -158,12 +165,20 @@ NS_ASSUME_NONNULL_BEGIN
 /**
 The dispatch queue for `completionBlock`. If `NULL` (default), the main queue is used.
 */
+#if OS_OBJECT_USE_OBJC
@property (nonatomic, strong, nullable) dispatch_queue_t completionQueue;
+#else
+@property (nonatomic, assign, nullable) dispatch_queue_t completionQueue;
+#endif

 /**
 The dispatch group for `completionBlock`. If `NULL` (default), a private dispatch group is used.
 */
+#if OS_OBJECT_USE_OBJC
@property (nonatomic, strong, nullable) dispatch_group_t completionGroup;
+#else
+@property (nonatomic, assign, nullable) dispatch_group_t completionGroup;
+#endif

 ///---------------------------------
 /// @name Working Around System Bugs
@ -196,15 +211,7 @@ NS_ASSUME_NONNULL_BEGIN

 @param cancelPendingTasks Whether or not to cancel pending tasks.
 */
- (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks DEPRECATED_ATTRIBUTE;
-
-/**
- Invalidates the managed session, optionally canceling pending tasks and optionally resets given session.
- 
- @param cancelPendingTasks  Whether or not to cancel pending tasks.
- @param resetSession        Whether or not to reset the session of the manager.
- */
- (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks resetSession:(BOOL)resetSession;
+- (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks;

 ///-------------------------
 /// @name Running Data Tasks
@ -217,20 +224,7 @@ NS_ASSUME_NONNULL_BEGIN
 @param completionHandler A block object to be executed when the task finishes. This block has no return value and takes three arguments: the server response, the response object created by that serializer, and the error that occurred, if any.
 */
 - (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request
-                            completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject,  NSError * _Nullable error))completionHandler DEPRECATED_ATTRIBUTE;
-
-/**
- Creates an `NSURLSessionDataTask` with the specified request.
-
- @param request The HTTP request for the request.
- @param uploadProgressBlock A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
- @param downloadProgressBlock A block object to be executed when the download progress is updated. Note this block is called on the session queue, not the main queue.
- @param completionHandler A block object to be executed when the task finishes. This block has no return value and takes three arguments: the server response, the response object created by that serializer, and the error that occurred, if any.
- */
- (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request
-                               uploadProgress:(nullable void (^)(NSProgress *uploadProgress))uploadProgressBlock
-                             downloadProgress:(nullable void (^)(NSProgress *downloadProgress))downloadProgressBlock
-                            completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject,  NSError * _Nullable error))completionHandler;
+                            completionHandler:(nullable void (^)(NSURLResponse *response, id __nullable responseObject,  NSError * __nullable error))completionHandler;

 ///---------------------------
 /// @name Running Upload Tasks
@ -241,39 +235,39 @@ NS_ASSUME_NONNULL_BEGIN

 @param request The HTTP request for the request.
 @param fileURL A URL to the local file to be uploaded.
- @param uploadProgressBlock A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
+ @param progress A progress object monitoring the current upload progress.
 @param completionHandler A block object to be executed when the task finishes. This block has no return value and takes three arguments: the server response, the response object created by that serializer, and the error that occurred, if any.

 @see `attemptsToRecreateUploadTasksForBackgroundSessions`
 */
 - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request
                                         fromFile:(NSURL *)fileURL
-                                         progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgressBlock
-                                completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject, NSError  * _Nullable error))completionHandler;
+                                         progress:(NSProgress * __nullable __autoreleasing * __nullable)progress
+                                completionHandler:(nullable void (^)(NSURLResponse *response, id __nullable responseObject, NSError  * __nullable error))completionHandler;

 /**
 Creates an `NSURLSessionUploadTask` with the specified request for an HTTP body.

 @param request The HTTP request for the request.
 @param bodyData A data object containing the HTTP body to be uploaded.
- @param uploadProgressBlock A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
+ @param progress A progress object monitoring the current upload progress.
 @param completionHandler A block object to be executed when the task finishes. This block has no return value and takes three arguments: the server response, the response object created by that serializer, and the error that occurred, if any.
 */
 - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request
                                         fromData:(nullable NSData *)bodyData
-                                         progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgressBlock
-                                completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject, NSError * _Nullable error))completionHandler;
+                                         progress:(NSProgress * __nullable __autoreleasing * __nullable)progress
+                                completionHandler:(nullable void (^)(NSURLResponse *response, id __nullable responseObject, NSError * __nullable error))completionHandler;

 /**
 Creates an `NSURLSessionUploadTask` with the specified streaming request.

 @param request The HTTP request for the request.
- @param uploadProgressBlock A block object to be executed when the upload progress is updated. Note this block is called on the session queue, not the main queue.
+ @param progress A progress object monitoring the current upload progress.
 @param completionHandler A block object to be executed when the task finishes. This block has no return value and takes three arguments: the server response, the response object created by that serializer, and the error that occurred, if any.
 */
 - (NSURLSessionUploadTask *)uploadTaskWithStreamedRequest:(NSURLRequest *)request
-                                                 progress:(nullable void (^)(NSProgress *uploadProgress))uploadProgressBlock
-                                        completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject, NSError * _Nullable error))completionHandler;
+                                                 progress:(NSProgress * __nullable __autoreleasing * __nullable)progress
+                                        completionHandler:(nullable void (^)(NSURLResponse *response, id __nullable responseObject, NSError * __nullable error))completionHandler;

 ///-----------------------------
 /// @name Running Download Tasks
@ -283,29 +277,29 @@ NS_ASSUME_NONNULL_BEGIN
 Creates an `NSURLSessionDownloadTask` with the specified request.

 @param request The HTTP request for the request.
- @param downloadProgressBlock A block object to be executed when the download progress is updated. Note this block is called on the session queue, not the main queue.
+ @param progress A progress object monitoring the current download progress.
 @param destination A block object to be executed in order to determine the destination of the downloaded file. This block takes two arguments, the target path & the server response, and returns the desired file URL of the resulting download. The temporary file used during the download will be automatically deleted after being moved to the returned URL.
 @param completionHandler A block to be executed when a task finishes. This block has no return value and takes three arguments: the server response, the path of the downloaded file, and the error describing the network or parsing error that occurred, if any.

 @warning If using a background `NSURLSessionConfiguration` on iOS, these blocks will be lost when the app is terminated. Background sessions may prefer to use `-setDownloadTaskDidFinishDownloadingBlock:` to specify the URL for saving the downloaded file, rather than the destination block of this method.
 */
 - (NSURLSessionDownloadTask *)downloadTaskWithRequest:(NSURLRequest *)request
-                                             progress:(nullable void (^)(NSProgress *downloadProgress))downloadProgressBlock
+                                             progress:(NSProgress * __nullable __autoreleasing * __nullable)progress
                                          destination:(nullable NSURL * (^)(NSURL *targetPath, NSURLResponse *response))destination
-                                    completionHandler:(nullable void (^)(NSURLResponse *response, NSURL * _Nullable filePath, NSError * _Nullable error))completionHandler;
+                                    completionHandler:(nullable void (^)(NSURLResponse *response, NSURL * __nullable filePath, NSError * __nullable error))completionHandler;

 /**
 Creates an `NSURLSessionDownloadTask` with the specified resume data.

 @param resumeData The data used to resume downloading.
- @param downloadProgressBlock A block object to be executed when the download progress is updated. Note this block is called on the session queue, not the main queue.
+ @param progress A progress object monitoring the current download progress.
 @param destination A block object to be executed in order to determine the destination of the downloaded file. This block takes two arguments, the target path & the server response, and returns the desired file URL of the resulting download. The temporary file used during the download will be automatically deleted after being moved to the returned URL.
 @param completionHandler A block to be executed when a task finishes. This block has no return value and takes three arguments: the server response, the path of the downloaded file, and the error describing the network or parsing error that occurred, if any.
 */
 - (NSURLSessionDownloadTask *)downloadTaskWithResumeData:(NSData *)resumeData
-                                                progress:(nullable void (^)(NSProgress *downloadProgress))downloadProgressBlock
+                                                progress:(NSProgress * __nullable __autoreleasing * __nullable)progress
                                             destination:(nullable NSURL * (^)(NSURL *targetPath, NSURLResponse *response))destination
-                                       completionHandler:(nullable void (^)(NSURLResponse *response, NSURL * _Nullable filePath, NSError * _Nullable error))completionHandler;
+                                       completionHandler:(nullable void (^)(NSURLResponse *response, NSURL * __nullable filePath, NSError * __nullable error))completionHandler;

 ///---------------------------------
 /// @name Getting Progress for Tasks
@ -314,20 +308,20 @@ NS_ASSUME_NONNULL_BEGIN
 /**
 Returns the upload progress of the specified task.

- @param task The session task. Must not be `nil`.
+ @param uploadTask The session upload task. Must not be `nil`.

 @return An `NSProgress` object reporting the upload progress of a task, or `nil` if the progress is unavailable.
 */
- (nullable NSProgress *)uploadProgressForTask:(NSURLSessionTask *)task;
+- (nullable NSProgress *)uploadProgressForTask:(NSURLSessionUploadTask *)uploadTask;

 /**
 Returns the download progress of the specified task.

- @param task The session task. Must not be `nil`.
+ @param downloadTask The session download task. Must not be `nil`.

 @return An `NSProgress` object reporting the download progress of a task, or `nil` if the progress is unavailable.
 */
- (nullable NSProgress *)downloadProgressForTask:(NSURLSessionTask *)task;
+- (nullable NSProgress *)downloadProgressForTask:(NSURLSessionDownloadTask *)downloadTask;

 ///-----------------------------------------
 /// @name Setting Session Delegate Callbacks
@ -345,7 +339,7 @@ NS_ASSUME_NONNULL_BEGIN

 @param block A block object to be executed when a connection level authentication challenge has occurred. The block returns the disposition of the authentication challenge, and takes three arguments: the session, the authentication challenge, and a pointer to the credential that should be used to resolve the challenge.
 */
- (void)setSessionDidReceiveAuthenticationChallengeBlock:(nullable NSURLSessionAuthChallengeDisposition (^)(NSURLSession *session, NSURLAuthenticationChallenge *challenge, NSURLCredential * _Nullable __autoreleasing * _Nullable credential))block;
+- (void)setSessionDidReceiveAuthenticationChallengeBlock:(nullable NSURLSessionAuthChallengeDisposition (^)(NSURLSession *session, NSURLAuthenticationChallenge *challenge, NSURLCredential * __nullable __autoreleasing * __nullable credential))block;

 ///--------------------------------------
 /// @name Setting Task Delegate Callbacks
@ -363,14 +357,14 @@ NS_ASSUME_NONNULL_BEGIN

 @param block A block object to be executed when an HTTP request is attempting to perform a redirection to a different URL. The block returns the request to be made for the redirection, and takes four arguments: the session, the task, the redirection response, and the request corresponding to the redirection response.
 */
- (void)setTaskWillPerformHTTPRedirectionBlock:(nullable NSURLRequest * _Nullable (^)(NSURLSession *session, NSURLSessionTask *task, NSURLResponse *response, NSURLRequest *request))block;
+- (void)setTaskWillPerformHTTPRedirectionBlock:(nullable NSURLRequest * (^)(NSURLSession *session, NSURLSessionTask *task, NSURLResponse *response, NSURLRequest *request))block;

 /**
 Sets a block to be executed when a session task has received a request specific authentication challenge, as handled by the `NSURLSessionTaskDelegate` method `URLSession:task:didReceiveChallenge:completionHandler:`.

 @param block A block object to be executed when a session task has received a request specific authentication challenge. The block returns the disposition of the authentication challenge, and takes four arguments: the session, the task, the authentication challenge, and a pointer to the credential that should be used to resolve the challenge.
 */
- (void)setTaskDidReceiveAuthenticationChallengeBlock:(nullable NSURLSessionAuthChallengeDisposition (^)(NSURLSession *session, NSURLSessionTask *task, NSURLAuthenticationChallenge *challenge, NSURLCredential * _Nullable __autoreleasing * _Nullable credential))block;
+- (void)setTaskDidReceiveAuthenticationChallengeBlock:(nullable NSURLSessionAuthChallengeDisposition (^)(NSURLSession *session, NSURLSessionTask *task, NSURLAuthenticationChallenge *challenge, NSURLCredential * __nullable __autoreleasing * __nullable credential))block;

 /**
 Sets a block to be executed periodically to track upload progress, as handled by the `NSURLSessionTaskDelegate` method `URLSession:task:didSendBodyData:totalBytesSent:totalBytesExpectedToSend:`.
@ -384,16 +378,8 @@ NS_ASSUME_NONNULL_BEGIN

 @param block A block object to be executed when a session task is completed. The block has no return value, and takes three arguments: the session, the task, and any error that occurred in the process of executing the task.
 */
- (void)setTaskDidCompleteBlock:(nullable void (^)(NSURLSession *session, NSURLSessionTask *task, NSError * _Nullable error))block;
+- (void)setTaskDidCompleteBlock:(nullable void (^)(NSURLSession *session, NSURLSessionTask *task, NSError * __nullable error))block;

-/**
- Sets a block to be executed when metrics are finalized related to a specific task, as handled by the `NSURLSessionTaskDelegate` method `URLSession:task:didFinishCollectingMetrics:`.
-
- @param block A block object to be executed when a session task is completed. The block has no return value, and takes three arguments: the session, the task, and any metrics that were collected in the process of executing the task.
- */
-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
- (void)setTaskDidFinishCollectingMetricsBlock:(nullable void (^)(NSURLSession *session, NSURLSessionTask *task, NSURLSessionTaskMetrics * _Nullable metrics))block;
-#endif
 ///-------------------------------------------
 /// @name Setting Data Task Delegate Callbacks
 ///-------------------------------------------
@ -431,7 +417,7 @@ NS_ASSUME_NONNULL_BEGIN

 @param block A block object to be executed once all messages enqueued for a session have been delivered. The block has no return value and takes a single argument: the session.
 */
- (void)setDidFinishEventsForBackgroundURLSessionBlock:(nullable void (^)(NSURLSession *session))block AF_API_UNAVAILABLE(macos);
+- (void)setDidFinishEventsForBackgroundURLSessionBlock:(nullable void (^)(NSURLSession *session))block;

 ///-----------------------------------------------
 /// @name Setting Download Task Delegate Callbacks
@ -442,10 +428,10 @@ NS_ASSUME_NONNULL_BEGIN

 @param block A block object to be executed when a download task has completed. The block returns the URL the download should be moved to, and takes three arguments: the session, the download task, and the temporary location of the downloaded file. If the file manager encounters an error while attempting to move the temporary file to the destination, an `AFURLSessionDownloadTaskDidFailToMoveFileNotification` will be posted, with the download task as its object, and the user info of the error.
 */
- (void)setDownloadTaskDidFinishDownloadingBlock:(nullable NSURL * _Nullable  (^)(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, NSURL *location))block;
+- (void)setDownloadTaskDidFinishDownloadingBlock:(nullable NSURL * __nullable  (^)(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, NSURL *location))block;

 /**
- Sets a block to be executed periodically to track download progress, as handled by the `NSURLSessionDownloadDelegate` method `URLSession:downloadTask:didWriteData:totalBytesWritten:totalBytesExpectedToWrite:`.
+ Sets a block to be executed periodically to track download progress, as handled by the `NSURLSessionDownloadDelegate` method `URLSession:downloadTask:didWriteData:totalBytesWritten:totalBytesWritten:totalBytesExpectedToWrite:`.

 @param block A block object to be called when an undetermined number of bytes have been downloaded from the server. This block has no return value and takes five arguments: the session, the download task, the number of bytes read since the last time the download progress block was called, the total bytes read, and the total bytes expected to be read during the request, as initially determined by the expected content size of the `NSHTTPURLResponse` object. This block may be called multiple times, and will execute on the session manager operation queue.
 */
@ -460,15 +446,31 @@ NS_ASSUME_NONNULL_BEGIN

@end

+#endif
+
 ///--------------------
 /// @name Notifications
 ///--------------------

+/**
+ Posted when a task begins executing.
+
+ @deprecated Use `AFNetworkingTaskDidResumeNotification` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidStartNotification DEPRECATED_ATTRIBUTE;
+
 /**
 Posted when a task resumes.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidResumeNotification;

+/**
+ Posted when a task finishes executing. Includes a userInfo dictionary with additional information about the task.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteNotification` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishNotification DEPRECATED_ATTRIBUTE;
+
 /**
 Posted when a task finishes executing. Includes a userInfo dictionary with additional information about the task.
 */
@ -490,33 +492,63 @@ FOUNDATION_EXPORT NSString * const AFURLSessionDidInvalidateNotification;
 FOUNDATION_EXPORT NSString * const AFURLSessionDownloadTaskDidFailToMoveFileNotification;

 /**
- The raw response data of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteNotification` if response data exists for the task.
+ The raw response data of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if response data exists for the task.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteResponseDataKey` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishResponseDataKey DEPRECATED_ATTRIBUTE;
+
+/**
+ The raw response data of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if response data exists for the task.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteResponseDataKey;

 /**
- The serialized response object of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteNotification` if the response was serialized.
+ The serialized response object of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if the response was serialized.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteSerializedResponseKey` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishSerializedResponseKey DEPRECATED_ATTRIBUTE;
+
+/**
+ The serialized response object of the task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if the response was serialized.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteSerializedResponseKey;

 /**
- The response serializer used to serialize the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteNotification` if the task has an associated response serializer.
+ The response serializer used to serialize the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if the task has an associated response serializer.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteResponseSerializerKey` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishResponseSerializerKey DEPRECATED_ATTRIBUTE;
+
+/**
+ The response serializer used to serialize the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if the task has an associated response serializer.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteResponseSerializerKey;

 /**
- The file path associated with the download task. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteNotification` if an the response data has been stored directly to disk.
+ The file path associated with the download task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if an the response data has been stored directly to disk.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteAssetPathKey` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishAssetPathKey DEPRECATED_ATTRIBUTE;
+
+/**
+ The file path associated with the download task. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if an the response data has been stored directly to disk.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteAssetPathKey;

 /**
- Any error associated with the task, or the serialization of the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteNotification` if an error exists.
+ Any error associated with the task, or the serialization of the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if an error exists.
+
+ @deprecated Use `AFNetworkingTaskDidCompleteErrorKey` instead.
+ */
+FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidFinishErrorKey DEPRECATED_ATTRIBUTE;
+
+/**
+ Any error associated with the task, or the serialization of the response. Included in the userInfo dictionary of the `AFNetworkingTaskDidFinishNotification` if an error exists.
 */
 FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteErrorKey;

-/**
- The session task metrics taken from the download task. Included in the userInfo dictionary of the `AFNetworkingTaskDidCompleteSessionTaskMetrics`
- */
-FOUNDATION_EXPORT NSString * const AFNetworkingTaskDidCompleteSessionTaskMetrics;
-
 NS_ASSUME_NONNULL_END
--- a/AFNetworking/AFURLSessionManager.m
+++ b/AFNetworking/AFURLSessionManager.m
@ -1,5 +1,5 @@
 // AFURLSessionManager.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2011–2015 Alamofire Software Foundation (http://alamofire.org/)
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -22,11 +22,7 @@
 #import "AFURLSessionManager.h"
 #import <objc/runtime.h>

-#ifndef NSFoundationVersionNumber_iOS_8_0
-#define NSFoundationVersionNumber_With_Fixed_5871104061079552_bug 1140.11
-#else
-#define NSFoundationVersionNumber_With_Fixed_5871104061079552_bug NSFoundationVersionNumber_iOS_8_0
-#endif
+#if (defined(__IPHONE_OS_VERSION_MAX_ALLOWED) && __IPHONE_OS_VERSION_MAX_ALLOWED >= 70000) || (defined(__MAC_OS_X_VERSION_MAX_ALLOWED) && __MAC_OS_X_VERSION_MAX_ALLOWED >= 1090)

 static dispatch_queue_t url_session_manager_creation_queue() {
    static dispatch_queue_t af_url_session_manager_creation_queue;
@ -38,19 +34,6 @@ static dispatch_queue_t url_session_manager_creation_queue() {
    return af_url_session_manager_creation_queue;
 }

-static void url_session_manager_create_task_safely(dispatch_block_t _Nonnull block) {
-    if (block != NULL) {
-        if (NSFoundationVersionNumber < NSFoundationVersionNumber_With_Fixed_5871104061079552_bug) {
-            // Fix of bug
-            // Open Radar:http://openradar.appspot.com/radar?id=5871104061079552 (status: Fixed in iOS8)
-            // Issue about:https://github.com/AFNetworking/AFNetworking/issues/2093
-            dispatch_sync(url_session_manager_creation_queue(), block);
-        } else {
-            block();
-        }
-    }
-}
-
 static dispatch_queue_t url_session_manager_processing_queue() {
    static dispatch_queue_t af_url_session_manager_processing_queue;
    static dispatch_once_t onceToken;
@ -77,17 +60,27 @@ NSString * const AFNetworkingTaskDidSuspendNotification = @"com.alamofire.networ
 NSString * const AFURLSessionDidInvalidateNotification = @"com.alamofire.networking.session.invalidate";
 NSString * const AFURLSessionDownloadTaskDidFailToMoveFileNotification = @"com.alamofire.networking.session.download.file-manager-error";

+NSString * const AFNetworkingTaskDidStartNotification = @"com.alamofire.networking.task.resume"; // Deprecated
+NSString * const AFNetworkingTaskDidFinishNotification = @"com.alamofire.networking.task.complete"; // Deprecated
+
 NSString * const AFNetworkingTaskDidCompleteSerializedResponseKey = @"com.alamofire.networking.task.complete.serializedresponse";
 NSString * const AFNetworkingTaskDidCompleteResponseSerializerKey = @"com.alamofire.networking.task.complete.responseserializer";
 NSString * const AFNetworkingTaskDidCompleteResponseDataKey = @"com.alamofire.networking.complete.finish.responsedata";
 NSString * const AFNetworkingTaskDidCompleteErrorKey = @"com.alamofire.networking.task.complete.error";
 NSString * const AFNetworkingTaskDidCompleteAssetPathKey = @"com.alamofire.networking.task.complete.assetpath";
-NSString * const AFNetworkingTaskDidCompleteSessionTaskMetrics = @"com.alamofire.networking.complete.sessiontaskmetrics";
+
+NSString * const AFNetworkingTaskDidFinishSerializedResponseKey = @"com.alamofire.networking.task.complete.serializedresponse"; // Deprecated
+NSString * const AFNetworkingTaskDidFinishResponseSerializerKey = @"com.alamofire.networking.task.complete.responseserializer"; // Deprecated
+NSString * const AFNetworkingTaskDidFinishResponseDataKey = @"com.alamofire.networking.complete.finish.responsedata"; // Deprecated
+NSString * const AFNetworkingTaskDidFinishErrorKey = @"com.alamofire.networking.task.complete.error"; // Deprecated
+NSString * const AFNetworkingTaskDidFinishAssetPathKey = @"com.alamofire.networking.task.complete.assetpath"; // Deprecated

 static NSString * const AFURLSessionManagerLockName = @"com.alamofire.networking.session.manager.lock";

 static NSUInteger const AFMaximumNumberOfAttemptsToRecreateBackgroundSessionUploadTask = 3;

+static void * AFTaskStateChangedContext = &AFTaskStateChangedContext;
+
 typedef void (^AFURLSessionDidBecomeInvalidBlock)(NSURLSession *session, NSError *error);
 typedef NSURLSessionAuthChallengeDisposition (^AFURLSessionDidReceiveAuthenticationChallengeBlock)(NSURLSession *session, NSURLAuthenticationChallenge *challenge, NSURLCredential * __autoreleasing *credential);

@ -98,9 +91,6 @@ typedef void (^AFURLSessionDidFinishEventsForBackgroundURLSessionBlock)(NSURLSes
 typedef NSInputStream * (^AFURLSessionTaskNeedNewBodyStreamBlock)(NSURLSession *session, NSURLSessionTask *task);
 typedef void (^AFURLSessionTaskDidSendBodyDataBlock)(NSURLSession *session, NSURLSessionTask *task, int64_t bytesSent, int64_t totalBytesSent, int64_t totalBytesExpectedToSend);
 typedef void (^AFURLSessionTaskDidCompleteBlock)(NSURLSession *session, NSURLSessionTask *task, NSError *error);
-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
-typedef void (^AFURLSessionTaskDidFinishCollectingMetricsBlock)(NSURLSession *session, NSURLSessionTask *task, NSURLSessionTaskMetrics * metrics);
-#endif

 typedef NSURLSessionResponseDisposition (^AFURLSessionDataTaskDidReceiveResponseBlock)(NSURLSession *session, NSURLSessionDataTask *dataTask, NSURLResponse *response);
 typedef void (^AFURLSessionDataTaskDidBecomeDownloadTaskBlock)(NSURLSession *session, NSURLSessionDataTask *dataTask, NSURLSessionDownloadTask *downloadTask);
@ -110,98 +100,53 @@ typedef NSCachedURLResponse * (^AFURLSessionDataTaskWillCacheResponseBlock)(NSUR
 typedef NSURL * (^AFURLSessionDownloadTaskDidFinishDownloadingBlock)(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, NSURL *location);
 typedef void (^AFURLSessionDownloadTaskDidWriteDataBlock)(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, int64_t bytesWritten, int64_t totalBytesWritten, int64_t totalBytesExpectedToWrite);
 typedef void (^AFURLSessionDownloadTaskDidResumeBlock)(NSURLSession *session, NSURLSessionDownloadTask *downloadTask, int64_t fileOffset, int64_t expectedTotalBytes);
-typedef void (^AFURLSessionTaskProgressBlock)(NSProgress *);
-
-typedef void (^AFURLSessionTaskCompletionHandler)(NSURLResponse *response, id responseObject, NSError *error);

+typedef void (^AFURLSessionTaskCompletionHandler)(NSURLResponse *response, id __nullable responseObject, NSError *error);

 #pragma mark -

@interface AFURLSessionManagerTaskDelegate : NSObject <NSURLSessionTaskDelegate, NSURLSessionDataDelegate, NSURLSessionDownloadDelegate>
- (instancetype)initWithTask:(NSURLSessionTask *)task;
@property (nonatomic, weak) AFURLSessionManager *manager;
@property (nonatomic, strong) NSMutableData *mutableData;
-@property (nonatomic, strong) NSProgress *uploadProgress;
-@property (nonatomic, strong) NSProgress *downloadProgress;
+@property (nonatomic, strong) NSProgress *progress;
@property (nonatomic, copy) NSURL *downloadFileURL;
-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
-@property (nonatomic, strong) NSURLSessionTaskMetrics *sessionTaskMetrics;
-#endif
@property (nonatomic, copy) AFURLSessionDownloadTaskDidFinishDownloadingBlock downloadTaskDidFinishDownloading;
-@property (nonatomic, copy) AFURLSessionTaskProgressBlock uploadProgressBlock;
-@property (nonatomic, copy) AFURLSessionTaskProgressBlock downloadProgressBlock;
@property (nonatomic, copy) AFURLSessionTaskCompletionHandler completionHandler;
@end

@implementation AFURLSessionManagerTaskDelegate

- (instancetype)initWithTask:(NSURLSessionTask *)task {
+- (instancetype)init {
    self = [super init];
    if (!self) {
        return nil;
    }
-    
-    _mutableData = [NSMutableData data];
-    _uploadProgress = [[NSProgress alloc] initWithParent:nil userInfo:nil];
-    _downloadProgress = [[NSProgress alloc] initWithParent:nil userInfo:nil];
-    
-    __weak __typeof__(task) weakTask = task;
-    for (NSProgress *progress in @[ _uploadProgress, _downloadProgress ])
-    {
-        progress.totalUnitCount = NSURLSessionTransferSizeUnknown;
-        progress.cancellable = YES;
-        progress.cancellationHandler = ^{
-            [weakTask cancel];
-        };
-        progress.pausable = YES;
-        progress.pausingHandler = ^{
-            [weakTask suspend];
-        };
-#if AF_CAN_USE_AT_AVAILABLE
-        if (@available(iOS 9, macOS 10.11, *))
-#else
-        if ([progress respondsToSelector:@selector(setResumingHandler:)])
-#endif
-        {
-            progress.resumingHandler = ^{
-                [weakTask resume];
-            };
-        }
-        
-        [progress addObserver:self
-                   forKeyPath:NSStringFromSelector(@selector(fractionCompleted))
-                      options:NSKeyValueObservingOptionNew
-                      context:NULL];
-    }
+
+    self.mutableData = [NSMutableData data];
+
+    self.progress = [NSProgress progressWithTotalUnitCount:0];
+
    return self;
 }

- (void)dealloc {
-    [self.downloadProgress removeObserver:self forKeyPath:NSStringFromSelector(@selector(fractionCompleted))];
-    [self.uploadProgress removeObserver:self forKeyPath:NSStringFromSelector(@selector(fractionCompleted))];
-}
-
-#pragma mark - NSProgress Tracking
-
- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary<NSString *,id> *)change context:(void *)context {
-   if ([object isEqual:self.downloadProgress]) {
-        if (self.downloadProgressBlock) {
-            self.downloadProgressBlock(object);
-        }
-    }
-    else if ([object isEqual:self.uploadProgress]) {
-        if (self.uploadProgressBlock) {
-            self.uploadProgressBlock(object);
-        }
-    }
-}
-
 #pragma mark - NSURLSessionTaskDelegate

+- (void)URLSession:(__unused NSURLSession *)session
+              task:(__unused NSURLSessionTask *)task
+   didSendBodyData:(__unused int64_t)bytesSent
+    totalBytesSent:(int64_t)totalBytesSent
+totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend
+{
+    self.progress.totalUnitCount = totalBytesExpectedToSend;
+    self.progress.completedUnitCount = totalBytesSent;
+}
+
 - (void)URLSession:(__unused NSURLSession *)session
              task:(NSURLSessionTask *)task
 didCompleteWithError:(NSError *)error
 {
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wgnu"
    __strong AFURLSessionManager *manager = self.manager;

    __block id responseObject = nil;
@ -217,14 +162,6 @@ didCompleteWithError:(NSError *)error
        self.mutableData = nil;
    }

-#if AF_CAN_USE_AT_AVAILABLE && AF_CAN_INCLUDE_SESSION_TASK_METRICS
-    if (@available(iOS 10, macOS 10.12, watchOS 3, tvOS 10, *)) {
-        if (self.sessionTaskMetrics) {
-            userInfo[AFNetworkingTaskDidCompleteSessionTaskMetrics] = self.sessionTaskMetrics;
-        }
-    }
-#endif
-
    if (self.downloadFileURL) {
        userInfo[AFNetworkingTaskDidCompleteAssetPathKey] = self.downloadFileURL;
    } else if (data) {
@ -271,74 +208,57 @@ didCompleteWithError:(NSError *)error
            });
        });
    }
+#pragma clang diagnostic pop
 }

-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
- (void)URLSession:(NSURLSession *)session
-              task:(NSURLSessionTask *)task
-didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics {
-    self.sessionTaskMetrics = metrics;
-}
-#endif
-
-#pragma mark - NSURLSessionDataDelegate
+#pragma mark - NSURLSessionDataTaskDelegate

 - (void)URLSession:(__unused NSURLSession *)session
          dataTask:(__unused NSURLSessionDataTask *)dataTask
    didReceiveData:(NSData *)data
 {
-    self.downloadProgress.totalUnitCount = dataTask.countOfBytesExpectedToReceive;
-    self.downloadProgress.completedUnitCount = dataTask.countOfBytesReceived;
-
    [self.mutableData appendData:data];
 }

- (void)URLSession:(NSURLSession *)session task:(NSURLSessionTask *)task
-   didSendBodyData:(int64_t)bytesSent
-    totalBytesSent:(int64_t)totalBytesSent
-totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend{
-    
-    self.uploadProgress.totalUnitCount = task.countOfBytesExpectedToSend;
-    self.uploadProgress.completedUnitCount = task.countOfBytesSent;
-}
-
-#pragma mark - NSURLSessionDownloadDelegate
-
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
-      didWriteData:(int64_t)bytesWritten
- totalBytesWritten:(int64_t)totalBytesWritten
-totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite{
-    
-    self.downloadProgress.totalUnitCount = totalBytesExpectedToWrite;
-    self.downloadProgress.completedUnitCount = totalBytesWritten;
-}
-
- (void)URLSession:(NSURLSession *)session downloadTask:(NSURLSessionDownloadTask *)downloadTask
- didResumeAtOffset:(int64_t)fileOffset
-expectedTotalBytes:(int64_t)expectedTotalBytes{
-    
-    self.downloadProgress.totalUnitCount = expectedTotalBytes;
-    self.downloadProgress.completedUnitCount = fileOffset;
-}
+#pragma mark - NSURLSessionDownloadTaskDelegate

 - (void)URLSession:(NSURLSession *)session
      downloadTask:(NSURLSessionDownloadTask *)downloadTask
 didFinishDownloadingToURL:(NSURL *)location
 {
+    NSError *fileManagerError = nil;
    self.downloadFileURL = nil;

    if (self.downloadTaskDidFinishDownloading) {
        self.downloadFileURL = self.downloadTaskDidFinishDownloading(session, downloadTask, location);
        if (self.downloadFileURL) {
-            NSError *fileManagerError = nil;
+            [[NSFileManager defaultManager] moveItemAtURL:location toURL:self.downloadFileURL error:&fileManagerError];

-            if (![[NSFileManager defaultManager] moveItemAtURL:location toURL:self.downloadFileURL error:&fileManagerError]) {
+            if (fileManagerError) {
                [[NSNotificationCenter defaultCenter] postNotificationName:AFURLSessionDownloadTaskDidFailToMoveFileNotification object:downloadTask userInfo:fileManagerError.userInfo];
            }
        }
    }
 }

+- (void)URLSession:(__unused NSURLSession *)session
+      downloadTask:(__unused NSURLSessionDownloadTask *)downloadTask
+      didWriteData:(__unused int64_t)bytesWritten
+ totalBytesWritten:(int64_t)totalBytesWritten
+totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite
+{
+    self.progress.totalUnitCount = totalBytesExpectedToWrite;
+    self.progress.completedUnitCount = totalBytesWritten;
+}
+
+- (void)URLSession:(__unused NSURLSession *)session
+      downloadTask:(__unused NSURLSessionDownloadTask *)downloadTask
+ didResumeAtOffset:(int64_t)fileOffset
+expectedTotalBytes:(int64_t)expectedTotalBytes {
+    self.progress.totalUnitCount = expectedTotalBytes;
+    self.progress.completedUnitCount = fileOffset;
+}
+
@end

 #pragma mark -
@ -405,7 +325,7 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
            8) Set the current class to the super class, and repeat steps 3-8
         */
        NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration ephemeralSessionConfiguration];
-        NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration];
+        NSURLSession * session = [NSURLSession sessionWithConfiguration:configuration];
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wnonnull"
        NSURLSessionDataTask *localDataTask = [session dataTaskWithURL:nil];
@ -479,15 +399,12 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
@property (readwrite, nonatomic, strong) NSLock *lock;
@property (readwrite, nonatomic, copy) AFURLSessionDidBecomeInvalidBlock sessionDidBecomeInvalid;
@property (readwrite, nonatomic, copy) AFURLSessionDidReceiveAuthenticationChallengeBlock sessionDidReceiveAuthenticationChallenge;
-@property (readwrite, nonatomic, copy) AFURLSessionDidFinishEventsForBackgroundURLSessionBlock didFinishEventsForBackgroundURLSession AF_API_UNAVAILABLE(macos);
+@property (readwrite, nonatomic, copy) AFURLSessionDidFinishEventsForBackgroundURLSessionBlock didFinishEventsForBackgroundURLSession;
@property (readwrite, nonatomic, copy) AFURLSessionTaskWillPerformHTTPRedirectionBlock taskWillPerformHTTPRedirection;
@property (readwrite, nonatomic, copy) AFURLSessionTaskDidReceiveAuthenticationChallengeBlock taskDidReceiveAuthenticationChallenge;
@property (readwrite, nonatomic, copy) AFURLSessionTaskNeedNewBodyStreamBlock taskNeedNewBodyStream;
@property (readwrite, nonatomic, copy) AFURLSessionTaskDidSendBodyDataBlock taskDidSendBodyData;
@property (readwrite, nonatomic, copy) AFURLSessionTaskDidCompleteBlock taskDidComplete;
-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
-@property (readwrite, nonatomic, copy) AFURLSessionTaskDidFinishCollectingMetricsBlock taskDidFinishCollectingMetrics;
-#endif
@property (readwrite, nonatomic, copy) AFURLSessionDataTaskDidReceiveResponseBlock dataTaskDidReceiveResponse;
@property (readwrite, nonatomic, copy) AFURLSessionDataTaskDidBecomeDownloadTaskBlock dataTaskDidBecomeDownloadTask;
@property (readwrite, nonatomic, copy) AFURLSessionDataTaskDidReceiveDataBlock dataTaskDidReceiveData;
@ -518,6 +435,8 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
    self.operationQueue = [[NSOperationQueue alloc] init];
    self.operationQueue.maxConcurrentOperationCount = 1;

+    self.session = [NSURLSession sessionWithConfiguration:self.sessionConfiguration delegate:self delegateQueue:self.operationQueue];
+
    self.responseSerializer = [AFJSONResponseSerializer serializer];

    self.securityPolicy = [AFSecurityPolicy defaultPolicy];
@ -533,7 +452,7 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi

    [self.session getTasksWithCompletionHandler:^(NSArray *dataTasks, NSArray *uploadTasks, NSArray *downloadTasks) {
        for (NSURLSessionDataTask *task in dataTasks) {
-            [self addDelegateForDataTask:task uploadProgress:nil downloadProgress:nil completionHandler:nil];
+            [self addDelegateForDataTask:task completionHandler:nil];
        }

        for (NSURLSessionUploadTask *uploadTask in uploadTasks) {
@ -545,6 +464,9 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
        }
    }];

+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskDidResume:) name:AFNSURLSessionTaskDidResumeNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskDidSuspend:) name:AFNSURLSessionTaskDidSuspendNotification object:nil];
+
    return self;
 }

@ -554,19 +476,6 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi

 #pragma mark -

- (NSURLSession *)session {
-    
-    @synchronized (self) {
-        if (!_session) {
-            _session = [NSURLSession sessionWithConfiguration:self.sessionConfiguration delegate:self delegateQueue:self.operationQueue];
-        }
-    }
-    return _session;
-}
-
-#pragma mark -
-
-
 - (NSString *)taskDescriptionForSessionTasks {
    return [NSString stringWithFormat:@"%p", self];
 }
@ -614,47 +523,64 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi

    [self.lock lock];
    self.mutableTaskDelegatesKeyedByTaskIdentifier[@(task.taskIdentifier)] = delegate;
-    [self addNotificationObserverForTask:task];
    [self.lock unlock];
 }

 - (void)addDelegateForDataTask:(NSURLSessionDataTask *)dataTask
-                uploadProgress:(nullable void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-              downloadProgress:(nullable void (^)(NSProgress *downloadProgress)) downloadProgressBlock
-             completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+             completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
-    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] initWithTask:dataTask];
+    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] init];
    delegate.manager = self;
    delegate.completionHandler = completionHandler;

    dataTask.taskDescription = self.taskDescriptionForSessionTasks;
    [self setDelegate:delegate forTask:dataTask];
-
-    delegate.uploadProgressBlock = uploadProgressBlock;
-    delegate.downloadProgressBlock = downloadProgressBlock;
 }

 - (void)addDelegateForUploadTask:(NSURLSessionUploadTask *)uploadTask
-                        progress:(void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-               completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+                        progress:(NSProgress * __autoreleasing *)progress
+               completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
-    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] initWithTask:uploadTask];
+    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] init];
    delegate.manager = self;
    delegate.completionHandler = completionHandler;

+    int64_t totalUnitCount = uploadTask.countOfBytesExpectedToSend;
+    if(totalUnitCount == NSURLSessionTransferSizeUnknown) {
+        NSString *contentLength = [uploadTask.originalRequest valueForHTTPHeaderField:@"Content-Length"];
+        if(contentLength) {
+            totalUnitCount = (int64_t)[contentLength longLongValue];
+        }
+    }
+
+    if (delegate.progress) {
+        delegate.progress.totalUnitCount = totalUnitCount;
+    } else {
+        delegate.progress = [NSProgress progressWithTotalUnitCount:totalUnitCount];
+    }
+
+    delegate.progress.pausingHandler = ^{
+        [uploadTask suspend];
+    };
+    delegate.progress.cancellationHandler = ^{
+        [uploadTask cancel];
+    };
+
+    if (progress) {
+        *progress = delegate.progress;
+    }
+
    uploadTask.taskDescription = self.taskDescriptionForSessionTasks;

    [self setDelegate:delegate forTask:uploadTask];
-
-    delegate.uploadProgressBlock = uploadProgressBlock;
 }

 - (void)addDelegateForDownloadTask:(NSURLSessionDownloadTask *)downloadTask
-                          progress:(void (^)(NSProgress *downloadProgress)) downloadProgressBlock
+                          progress:(NSProgress * __autoreleasing *)progress
                       destination:(NSURL * (^)(NSURL *targetPath, NSURLResponse *response))destination
                 completionHandler:(void (^)(NSURLResponse *response, NSURL *filePath, NSError *error))completionHandler
 {
-    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] initWithTask:downloadTask];
+    AFURLSessionManagerTaskDelegate *delegate = [[AFURLSessionManagerTaskDelegate alloc] init];
    delegate.manager = self;
    delegate.completionHandler = completionHandler;

@ -664,22 +590,29 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
        };
    }

+    if (progress) {
+        *progress = delegate.progress;
+    }
+
    downloadTask.taskDescription = self.taskDescriptionForSessionTasks;

    [self setDelegate:delegate forTask:downloadTask];
-
-    delegate.downloadProgressBlock = downloadProgressBlock;
 }

 - (void)removeDelegateForTask:(NSURLSessionTask *)task {
    NSParameterAssert(task);

    [self.lock lock];
-    [self removeNotificationObserverForTask:task];
    [self.mutableTaskDelegatesKeyedByTaskIdentifier removeObjectForKey:@(task.taskIdentifier)];
    [self.lock unlock];
 }

+- (void)removeAllDelegates {
+    [self.lock lock];
+    [self.mutableTaskDelegatesKeyedByTaskIdentifier removeAllObjects];
+    [self.lock unlock];
+}
+
 #pragma mark -

 - (NSArray *)tasksForKeyPath:(NSString *)keyPath {
@ -723,18 +656,13 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
 #pragma mark -

 - (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks {
-    [self invalidateSessionCancelingTasks:cancelPendingTasks resetSession:NO];
-}
-
- (void)invalidateSessionCancelingTasks:(BOOL)cancelPendingTasks resetSession:(BOOL)resetSession {
-    if (cancelPendingTasks) {
-        [self.session invalidateAndCancel];
-    } else {
-        [self.session finishTasksAndInvalidate];
-    }
-    if (resetSession) {
-        self.session = nil;
-    }
+    dispatch_async(dispatch_get_main_queue(), ^{
+        if (cancelPendingTasks) {
+            [self.session invalidateAndCancel];
+        } else {
+            [self.session finishTasksAndInvalidate];
+        }
+    });
 }

 #pragma mark -
@ -745,36 +673,17 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
    _responseSerializer = responseSerializer;
 }

-#pragma mark -
- (void)addNotificationObserverForTask:(NSURLSessionTask *)task {
-    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskDidResume:) name:AFNSURLSessionTaskDidResumeNotification object:task];
-    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(taskDidSuspend:) name:AFNSURLSessionTaskDidSuspendNotification object:task];
-}
-
- (void)removeNotificationObserverForTask:(NSURLSessionTask *)task {
-    [[NSNotificationCenter defaultCenter] removeObserver:self name:AFNSURLSessionTaskDidSuspendNotification object:task];
-    [[NSNotificationCenter defaultCenter] removeObserver:self name:AFNSURLSessionTaskDidResumeNotification object:task];
-}
-
 #pragma mark -

 - (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request
-                            completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+                            completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
-    return [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:completionHandler];
-}
-
- (NSURLSessionDataTask *)dataTaskWithRequest:(NSURLRequest *)request
-                               uploadProgress:(nullable void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-                             downloadProgress:(nullable void (^)(NSProgress *downloadProgress)) downloadProgressBlock
-                            completionHandler:(nullable void (^)(NSURLResponse *response, id _Nullable responseObject,  NSError * _Nullable error))completionHandler {
-
    __block NSURLSessionDataTask *dataTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        dataTask = [self.session dataTaskWithRequest:request];
    });

-    [self addDelegateForDataTask:dataTask uploadProgress:uploadProgressBlock downloadProgress:downloadProgressBlock completionHandler:completionHandler];
+    [self addDelegateForDataTask:dataTask completionHandler:completionHandler];

    return dataTask;
 }
@ -783,55 +692,50 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi

 - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request
                                         fromFile:(NSURL *)fileURL
-                                         progress:(void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-                                completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+                                         progress:(NSProgress * __autoreleasing *)progress
+                                completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
    __block NSURLSessionUploadTask *uploadTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        uploadTask = [self.session uploadTaskWithRequest:request fromFile:fileURL];
-        
-        // uploadTask may be nil on iOS7 because uploadTaskWithRequest:fromFile: may return nil despite being documented as nonnull (https://devforums.apple.com/message/926113#926113)
-        if (!uploadTask && self.attemptsToRecreateUploadTasksForBackgroundSessions && self.session.configuration.identifier) {
-            for (NSUInteger attempts = 0; !uploadTask && attempts < AFMaximumNumberOfAttemptsToRecreateBackgroundSessionUploadTask; attempts++) {
-                uploadTask = [self.session uploadTaskWithRequest:request fromFile:fileURL];
-            }
-        }
    });
-    
-    if (uploadTask) {
-        [self addDelegateForUploadTask:uploadTask
-                              progress:uploadProgressBlock
-                     completionHandler:completionHandler];
+
+    if (!uploadTask && self.attemptsToRecreateUploadTasksForBackgroundSessions && self.session.configuration.identifier) {
+        for (NSUInteger attempts = 0; !uploadTask && attempts < AFMaximumNumberOfAttemptsToRecreateBackgroundSessionUploadTask; attempts++) {
+            uploadTask = [self.session uploadTaskWithRequest:request fromFile:fileURL];
+        }
    }

+    [self addDelegateForUploadTask:uploadTask progress:progress completionHandler:completionHandler];
+
    return uploadTask;
 }

 - (NSURLSessionUploadTask *)uploadTaskWithRequest:(NSURLRequest *)request
                                         fromData:(NSData *)bodyData
-                                         progress:(void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-                                completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+                                         progress:(NSProgress * __autoreleasing *)progress
+                                completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
    __block NSURLSessionUploadTask *uploadTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        uploadTask = [self.session uploadTaskWithRequest:request fromData:bodyData];
    });

-    [self addDelegateForUploadTask:uploadTask progress:uploadProgressBlock completionHandler:completionHandler];
+    [self addDelegateForUploadTask:uploadTask progress:progress completionHandler:completionHandler];

    return uploadTask;
 }

 - (NSURLSessionUploadTask *)uploadTaskWithStreamedRequest:(NSURLRequest *)request
-                                                 progress:(void (^)(NSProgress *uploadProgress)) uploadProgressBlock
-                                        completionHandler:(void (^)(NSURLResponse *response, id responseObject, NSError *error))completionHandler
+                                                 progress:(NSProgress * __autoreleasing *)progress
+                                        completionHandler:(AFURLSessionTaskCompletionHandler)completionHandler
 {
    __block NSURLSessionUploadTask *uploadTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        uploadTask = [self.session uploadTaskWithStreamedRequest:request];
    });

-    [self addDelegateForUploadTask:uploadTask progress:uploadProgressBlock completionHandler:completionHandler];
+    [self addDelegateForUploadTask:uploadTask progress:progress completionHandler:completionHandler];

    return uploadTask;
 }
@ -839,42 +743,43 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
 #pragma mark -

 - (NSURLSessionDownloadTask *)downloadTaskWithRequest:(NSURLRequest *)request
-                                             progress:(void (^)(NSProgress *downloadProgress)) downloadProgressBlock
+                                             progress:(NSProgress * __autoreleasing *)progress
                                          destination:(NSURL * (^)(NSURL *targetPath, NSURLResponse *response))destination
                                    completionHandler:(void (^)(NSURLResponse *response, NSURL *filePath, NSError *error))completionHandler
 {
    __block NSURLSessionDownloadTask *downloadTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        downloadTask = [self.session downloadTaskWithRequest:request];
    });

-    [self addDelegateForDownloadTask:downloadTask progress:downloadProgressBlock destination:destination completionHandler:completionHandler];
+    [self addDelegateForDownloadTask:downloadTask progress:progress destination:destination completionHandler:completionHandler];

    return downloadTask;
 }

 - (NSURLSessionDownloadTask *)downloadTaskWithResumeData:(NSData *)resumeData
-                                                progress:(void (^)(NSProgress *downloadProgress)) downloadProgressBlock
+                                                progress:(NSProgress * __autoreleasing *)progress
                                             destination:(NSURL * (^)(NSURL *targetPath, NSURLResponse *response))destination
                                       completionHandler:(void (^)(NSURLResponse *response, NSURL *filePath, NSError *error))completionHandler
 {
    __block NSURLSessionDownloadTask *downloadTask = nil;
-    url_session_manager_create_task_safely(^{
+    dispatch_sync(url_session_manager_creation_queue(), ^{
        downloadTask = [self.session downloadTaskWithResumeData:resumeData];
    });

-    [self addDelegateForDownloadTask:downloadTask progress:downloadProgressBlock destination:destination completionHandler:completionHandler];
+    [self addDelegateForDownloadTask:downloadTask progress:progress destination:destination completionHandler:completionHandler];

    return downloadTask;
 }

 #pragma mark -
- (NSProgress *)uploadProgressForTask:(NSURLSessionTask *)task {
-    return [[self delegateForTask:task] uploadProgress];
+
+- (NSProgress *)uploadProgressForTask:(NSURLSessionUploadTask *)uploadTask {
+    return [[self delegateForTask:uploadTask] progress];
 }

- (NSProgress *)downloadProgressForTask:(NSURLSessionTask *)task {
-    return [[self delegateForTask:task] downloadProgress];
+- (NSProgress *)downloadProgressForTask:(NSURLSessionDownloadTask *)downloadTask {
+    return [[self delegateForTask:downloadTask] progress];
 }

 #pragma mark -
@ -887,11 +792,9 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
    self.sessionDidReceiveAuthenticationChallenge = block;
 }

-#if !TARGET_OS_OSX
 - (void)setDidFinishEventsForBackgroundURLSessionBlock:(void (^)(NSURLSession *session))block {
    self.didFinishEventsForBackgroundURLSession = block;
 }
-#endif

 #pragma mark -

@ -915,12 +818,6 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
    self.taskDidComplete = block;
 }

-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
- (void)setTaskDidFinishCollectingMetricsBlock:(void (^)(NSURLSession * _Nonnull, NSURLSessionTask * _Nonnull, NSURLSessionTaskMetrics * _Nullable))block {
-    self.taskDidFinishCollectingMetrics = block;
-}
-#endif
-
 #pragma mark -

 - (void)setDataTaskDidReceiveResponseBlock:(NSURLSessionResponseDisposition (^)(NSURLSession *session, NSURLSessionDataTask *dataTask, NSURLResponse *response))block {
@ -966,12 +863,9 @@ static NSString * const AFNSURLSessionTaskDidSuspendNotification = @"com.alamofi
        return self.dataTaskDidReceiveResponse != nil;
    } else if (selector == @selector(URLSession:dataTask:willCacheResponse:completionHandler:)) {
        return self.dataTaskWillCacheResponse != nil;
-    }
-#if !TARGET_OS_OSX
-    else if (selector == @selector(URLSessionDidFinishEventsForBackgroundURLSession:)) {
+    } else if (selector == @selector(URLSessionDidFinishEventsForBackgroundURLSession:)) {
        return self.didFinishEventsForBackgroundURLSession != nil;
    }
-#endif

    return [[self class] instancesRespondToSelector:selector];
 }
@ -985,6 +879,7 @@ didBecomeInvalidWithError:(NSError *)error
        self.sessionDidBecomeInvalid(session, error);
    }

+    [self removeAllDelegates];
    [[NSNotificationCenter defaultCenter] postNotificationName:AFURLSessionDidInvalidateNotification object:session];
 }

@ -1091,18 +986,15 @@ totalBytesExpectedToSend:(int64_t)totalBytesExpectedToSend
 {

    int64_t totalUnitCount = totalBytesExpectedToSend;
-    if (totalUnitCount == NSURLSessionTransferSizeUnknown) {
+    if(totalUnitCount == NSURLSessionTransferSizeUnknown) {
        NSString *contentLength = [task.originalRequest valueForHTTPHeaderField:@"Content-Length"];
-        if (contentLength) {
+        if(contentLength) {
            totalUnitCount = (int64_t) [contentLength longLongValue];
        }
    }
-    
+
    AFURLSessionManagerTaskDelegate *delegate = [self delegateForTask:task];
-    
-    if (delegate) {
-        [delegate URLSession:session task:task didSendBodyData:bytesSent totalBytesSent:totalBytesSent totalBytesExpectedToSend:totalBytesExpectedToSend];
-    }
+    [delegate URLSession:session task:task didSendBodyData:bytesSent totalBytesSent:totalBytesSent totalBytesExpectedToSend:totalUnitCount];

    if (self.taskDidSendBodyData) {
        self.taskDidSendBodyData(session, task, bytesSent, totalBytesSent, totalUnitCount);
@ -1125,24 +1017,8 @@ didCompleteWithError:(NSError *)error
    if (self.taskDidComplete) {
        self.taskDidComplete(session, task, error);
    }
-}

-#if AF_CAN_INCLUDE_SESSION_TASK_METRICS
- (void)URLSession:(NSURLSession *)session
-              task:(NSURLSessionTask *)task
-didFinishCollectingMetrics:(NSURLSessionTaskMetrics *)metrics
-{
-    AFURLSessionManagerTaskDelegate *delegate = [self delegateForTask:task];
-    // Metrics may fire after URLSession:task:didCompleteWithError: is called, delegate may be nil
-    if (delegate) {
-        [delegate URLSession:session task:task didFinishCollectingMetrics:metrics];
-    }
-
-    if (self.taskDidFinishCollectingMetrics) {
-        self.taskDidFinishCollectingMetrics(session, task, metrics);
-    }
 }
-#endif

 #pragma mark - NSURLSessionDataDelegate

@ -1181,7 +1057,6 @@ didBecomeDownloadTask:(NSURLSessionDownloadTask *)downloadTask
          dataTask:(NSURLSessionDataTask *)dataTask
    didReceiveData:(NSData *)data
 {
-
    AFURLSessionManagerTaskDelegate *delegate = [self delegateForTask:dataTask];
    [delegate URLSession:session dataTask:dataTask didReceiveData:data];

@ -1206,7 +1081,6 @@ didBecomeDownloadTask:(NSURLSessionDownloadTask *)downloadTask
    }
 }

-#if !TARGET_OS_OSX
 - (void)URLSessionDidFinishEventsForBackgroundURLSession:(NSURLSession *)session {
    if (self.didFinishEventsForBackgroundURLSession) {
        dispatch_async(dispatch_get_main_queue(), ^{
@ -1214,7 +1088,6 @@ didBecomeDownloadTask:(NSURLSessionDownloadTask *)downloadTask
        });
    }
 }
-#endif

 #pragma mark - NSURLSessionDownloadDelegate

@ -1228,8 +1101,8 @@ didFinishDownloadingToURL:(NSURL *)location
        if (fileURL) {
            delegate.downloadFileURL = fileURL;
            NSError *error = nil;
-            
-            if (![[NSFileManager defaultManager] moveItemAtURL:location toURL:fileURL error:&error]) {
+            [[NSFileManager defaultManager] moveItemAtURL:location toURL:fileURL error:&error];
+            if (error) {
                [[NSNotificationCenter defaultCenter] postNotificationName:AFURLSessionDownloadTaskDidFailToMoveFileNotification object:downloadTask userInfo:error.userInfo];
            }

@ -1248,12 +1121,8 @@ didFinishDownloadingToURL:(NSURL *)location
 totalBytesWritten:(int64_t)totalBytesWritten
 totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite
 {
-    
    AFURLSessionManagerTaskDelegate *delegate = [self delegateForTask:downloadTask];
-    
-    if (delegate) {
-        [delegate URLSession:session downloadTask:downloadTask didWriteData:bytesWritten totalBytesWritten:totalBytesWritten totalBytesExpectedToWrite:totalBytesExpectedToWrite];
-    }
+    [delegate URLSession:session downloadTask:downloadTask didWriteData:bytesWritten totalBytesWritten:totalBytesWritten totalBytesExpectedToWrite:totalBytesExpectedToWrite];

    if (self.downloadTaskDidWriteData) {
        self.downloadTaskDidWriteData(session, downloadTask, bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
@ -1265,12 +1134,8 @@ totalBytesExpectedToWrite:(int64_t)totalBytesExpectedToWrite
 didResumeAtOffset:(int64_t)fileOffset
 expectedTotalBytes:(int64_t)expectedTotalBytes
 {
-    
    AFURLSessionManagerTaskDelegate *delegate = [self delegateForTask:downloadTask];
-    
-    if (delegate) {
-        [delegate URLSession:session downloadTask:downloadTask didResumeAtOffset:fileOffset expectedTotalBytes:expectedTotalBytes];
-    }
+    [delegate URLSession:session downloadTask:downloadTask didResumeAtOffset:fileOffset expectedTotalBytes:expectedTotalBytes];

    if (self.downloadTaskDidResume) {
        self.downloadTaskDidResume(session, downloadTask, fileOffset, expectedTotalBytes);
@ -1283,7 +1148,7 @@ expectedTotalBytes:(int64_t)expectedTotalBytes
    return YES;
 }

- (instancetype)initWithCoder:(NSCoder *)decoder {
+- (id)initWithCoder:(NSCoder *)decoder {
    NSURLSessionConfiguration *configuration = [decoder decodeObjectOfClass:[NSURLSessionConfiguration class] forKey:@"sessionConfiguration"];

    self = [self initWithSessionConfiguration:configuration];
@ -1300,8 +1165,10 @@ expectedTotalBytes:(int64_t)expectedTotalBytes

 #pragma mark - NSCopying

- (instancetype)copyWithZone:(NSZone *)zone {
+- (id)copyWithZone:(NSZone *)zone {
    return [[[self class] allocWithZone:zone] initWithSessionConfiguration:self.session.configuration];
 }

@end
+
+#endif
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@ -4,276 +4,29 @@ All notable changes to this project will be documented in this file.

 --- 

-## [3.2.1](https://github.com/AFNetworking/AFNetworking/releases/tag/3.2.1) (05/04/2018)
-Released on Friday, May 04, 2018. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.2.1+is%3Aclosed).
-
-#### Updated
-* Xcode 9.3 Support
-	* Implemented by Jeff Kelley in [#4199](https://github.com/AFNetworking/AFNetworking/pull/4199).
-* Update HTTPBin certificates for April 2018.
-	* Implemented by Jeff Kelley in [#4198](https://github.com/AFNetworking/AFNetworking/pull/4198).
-
-#### Additional Changes
-* Remove conflicting nullable specifier on init
-	* Implemented by Nick Brook and Jeff Kelley in [#4182](https://github.com/AFNetworking/AFNetworking/pull/4182).
-* Use @available if available to silence a warning.
-	* Implemented by Jeff Kelley in [#4138](https://github.com/AFNetworking/AFNetworking/pull/4138).
-* UIImageView+AFNetworking: Prevent stuck state for malformed urlRequest
-	* Implemented by Adam Duflo and aduflo in [#4131](https://github.com/AFNetworking/AFNetworking/pull/4131).
-* add the link for LICENSE
-	* Implemented by Liao Malin in [#4125](https://github.com/AFNetworking/AFNetworking/pull/4125).
-* Fix analyzer warning for upload task creation
-	* Implemented by Jeff Kelley in [#4122](https://github.com/AFNetworking/AFNetworking/pull/4122).
- 
-
-## [3.2.0](https://github.com/AFNetworking/AFNetworking/releases/tag/3.2.0) (12/15/2017)
-Released on Friday, December 15, 2017. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.2.0+is%3Aclosed).
-
-#### Added
-* Config `AFImageDownloader` `NSURLCache` and ask `AFImageRequestCache` implementer if an image should be cached
-	* Implemented by wjehenddher in [#4010](https://github.com/AFNetworking/AFNetworking/pull/4010).
-* Add `XMLParser`/`XMLDocument` serializer tests
-	* Implemented by skyline75489 in [#3753](https://github.com/AFNetworking/AFNetworking/pull/3753).
-* Enable custom httpbin URL with `HTTPBIN_BASE_URL` environment variable
-	* Implemented by 0xced in [#3748](https://github.com/AFNetworking/AFNetworking/pull/3748).
-* `AFHTTPSessionManager` now throws exception if SSL pinning mode is set for non https sessions
-	* Implemented by 0xced in [#3687](https://github.com/AFNetworking/AFNetworking/pull/3687).
-
-#### Updated
-* Update security policy test certificates
-	* Implemented by SlaunchaMan in [#4103](https://github.com/AFNetworking/AFNetworking/pull/4103).
-* Allow return value of HTTP redirection block to be `NULL`
-	* Implemented by TheDom in [#3975](https://github.com/AFNetworking/AFNetworking/pull/3975).
-* Clarify documentation for supported encodings in `AFJSONResponseSerializer`
-	* Implemented by skyline75489 in [#3750](https://github.com/AFNetworking/AFNetworking/pull/3750).
-* Handle Error Pointers according to Cocoa Convention
-	* Implemented by tclementdev in [#3653](https://github.com/AFNetworking/AFNetworking/pull/3653).
-* Updates `AFHTTPSessionManager` documentation to reflect v3.x change
-	* Implemented by ecaselles in [#3476](https://github.com/AFNetworking/AFNetworking/pull/3476).
-* Improved code base to generate fewer warnings when using stricter compiler settings
-	* Implemented by 0xced in [3431](https://github.com/AFNetworking/AFNetworking/pull/3431).
-
-#### Changed
-* Change “Mac OS X” and “OS X” references to “macOS”
-	* Implemented by SlaunchaMan in [#4104](https://github.com/AFNetworking/AFNetworking/pull/4104).
+##[2.7.0](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.3) (2/12/2019)
+Released on Tuesday, February 12, 2019. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.7.0+is%3Aclosed).

 #### Fixed
-* Fixed crash around customizing `NSURLCache` size for < iOS 8.2
-	* Implemented by kcharwood in [#3735](https://github.com/AFNetworking/AFNetworking/pull/3735).
-* Fixed issue where `UIWebView` extension did not preserve all of the request information
-	* Implemented by skyline75489 in [#3733](https://github.com/AFNetworking/AFNetworking/pull/3733).
-* Fixed bug with webview delegate callback
-	* Implemented by kcharwood in [#3727](https://github.com/AFNetworking/AFNetworking/pull/3727).
-* Fixed crash when passing invalid JSON to request serialization
-	* Implemented by 0xced in [#3719](https://github.com/AFNetworking/AFNetworking/pull/3719).
-* Fixed potential KVO crasher for URL Session Task delegates
-	* Implemented by 0xced in [#3718](https://github.com/AFNetworking/AFNetworking/pull/3718).
-* Removed ambiguous array creation in `AFSecurityPolicy`
-	* Implemented by sgl0v in [#3679](https://github.com/AFNetworking/AFNetworking/pull/3679).
-* Fixed issue where `NS_UNAVAILABLE` is not reported for `AFNetworkReachabilityManager`
-	* Implemented by Microbee23 in [#3649](https://github.com/AFNetworking/AFNetworking/pull/3649).
-* Require app extension api only on watchOS
-	* Implemented by ethansinjin in [#3612](https://github.com/AFNetworking/AFNetworking/pull/3612).
-* Remove KVO of progress in favor of using the NSURLSession delegate APIs
-	* Implemented by coreyfloyd in [#3607](https://github.com/AFNetworking/AFNetworking/pull/3607).
-* Fixed an issue where registering a `UIProgessView` to a task that was causing a crash
-	* Implemented by Starscream27 in [#3604](https://github.com/AFNetworking/AFNetworking/pull/3604).
-* Moved `[self didChangeValueForKey:@"currentState"]` into correct scope
-	* Implemented by chenxin0123 in [#3565](https://github.com/AFNetworking/AFNetworking/pull/3565).
-* Fixed issue where response serializers did not inherit super class copying
-	* Implemented by kcharwood in [#3559](https://github.com/AFNetworking/AFNetworking/pull/3559).
-* Fixed crashes due to race conditions with `NSMutableDictionary` access in `AFHTTPRequestSerializer`
-	* Implemented by alexbird in [#3526](https://github.com/AFNetworking/AFNetworking/pull/3526).
-* Updated dash character to improve markdown parsing for license
-	* Implemented by gemmakbarlow in [#3488](https://github.com/AFNetworking/AFNetworking/pull/3488).
-
-#### Removed
-* Deprecate the unused stringEncoding property of `AFHTTPResponseSerializer`
-	* Implemented by 0xced in [#3751](https://github.com/AFNetworking/AFNetworking/pull/3751).
-* Removed unused `AFTaskStateChangedContext`
-	* Implemented by yulingtianxia in [#3432](https://github.com/AFNetworking/AFNetworking/pull/3432).
- 
-
-## [3.1.0](https://github.com/AFNetworking/AFNetworking/releases/tag/3.1.0) (03/31/2016)
-Released on Thursday, March 31, 2016. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.1.0+is%3Aclosed).
-
-#### Added
-* Improved `AFImageResponseSerializer` test coverage
- * Implemented by quellish in [#3367](https://github.com/AFNetworking/AFNetworking/pull/3367).
-* Exposed `AFQueryStringFromParameters` and `AFPercentEscapedStringFromString` for public use.
- * Implemented by Kevin Harwood in [#3160](https://github.com/AFNetworking/AFNetworking/pull/3160).
-
-#### Updated
-* Updated Test Suite to run on Xcode 7.3
- * Implemented by Kevin Harwood in [#3418](https://github.com/AFNetworking/AFNetworking/pull/3418).
-* Added white space to URLs in code comment to allow Xcode to properly parse them
- * Implemented by Draveness in [#3384](https://github.com/AFNetworking/AFNetworking/pull/3384).
-* Updated documentation to match method names and correct compiler warnings
- * Implemented by Hakon Hanesand in [#3369](https://github.com/AFNetworking/AFNetworking/pull/3369).
-* Use `NSKeyValueChangeNewKey` constant in change dictionary rather than hardcoded string.
- * Implemented by Wenbin Zhang in [#3360](https://github.com/AFNetworking/AFNetworking/pull/3360).
-* Resolved compiler warnings for documentation errors
- * Implemented by Ricardo Santos in [#3336](https://github.com/AFNetworking/AFNetworking/pull/3336).
-
-#### Changed
-* Reverted `NSURLSessionAuthChallengeDisposition` to `NSURLSessionAuthChallengeCancelAuthenticationChallenge` for SSL Pinning
- * Implemented by Kevin Harwood in [#3417](https://github.com/AFNetworking/AFNetworking/pull/3417).
-
-#### Fixed
-* Removed trailing question mark in query string if parameters are empty
- * Implemented by Kevin Harwood in [#3386](https://github.com/AFNetworking/AFNetworking/pull/3386).
-* Fixed crash if bad URL was passed into the image downloader
- * Implemented by Christian Wen and Kevin Harwood in [#3385](https://github.com/AFNetworking/AFNetworking/pull/3385).
-* Fixed image memory calculation
- * Implemented by 周明宇 in [#3344](https://github.com/AFNetworking/AFNetworking/pull/3344).
-* Fixed issue where UIButton image downloading called wrong cancel method
- * Implemented by duanhong in [#3332](https://github.com/AFNetworking/AFNetworking/pull/3332).
-* Fixed image downloading cancellation race condition
- * Implemented by Kevin Harwood in [#3325](https://github.com/AFNetworking/AFNetworking/pull/3325).
-* Fixed static analyzer warnings on AFNetworkReachabilityManager
- * Implemented by Jeff Kelley in [#3315](https://github.com/AFNetworking/AFNetworking/pull/3315).
-* Fixed issue where download progress would not be reported in iOS 7
- * Implemented by zwm in [#3294](https://github.com/AFNetworking/AFNetworking/pull/3294).
-* Fixed status code 204/205 handling
- * Implemented by Kevin Harwood in [#3292](https://github.com/AFNetworking/AFNetworking/pull/3292).
-* Fixed crash when passing nil/null for progress in UIWebView extension
- * Implemented by Kevin Harwood in [#3289](https://github.com/AFNetworking/AFNetworking/pull/3289).
-
-#### Removed
-* Removed workaround for NSJSONSerialization bug that was fixed in iOS 7
- * Implemented by Cédric Luthi in [#3253](https://github.com/AFNetworking/AFNetworking/pull/3253).
- 
-
-## [3.0.4](https://github.com/AFNetworking/AFNetworking/releases/tag/3.0.4) (12/18/2015)
-Released on Friday, December 18, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.4+is%3Aclosed).
-
-#### Fixed
-* Fixed issue where `AFNSURLSessionTaskDidResumeNotification` was removed twice
- * Implemented by Kevin Harwood in [#3236](https://github.com/AFNetworking/AFNetworking/pull/3236).
- 
-
-## [3.0.3](https://github.com/AFNetworking/AFNetworking/releases/tag/3.0.3) (12/16/2015)
-Released on Wednesday, December 16, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.3+is%3Aclosed).
-
-#### Added
-* Added tests for response serializers to increase test coverage
- * Implemented by Kevin Harwood in [#3233](https://github.com/AFNetworking/AFNetworking/pull/3233).
-
-#### Fixed
-* Fixed `AFImageResponseSerializer` serialization macros on watchOS and tvOS
- * Implemented by Charles Joseph in [#3229](https://github.com/AFNetworking/AFNetworking/pull/3229).
- 
-
-## [3.0.2](https://github.com/AFNetworking/AFNetworking/releases/tag/3.0.2) (12/14/2015)
-Released on Monday, December 14, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.2+is%3Aclosed).
-
-#### Fixed
-* Fixed a crash in `AFURLSessionManager` when resuming download tasks
- * Implemented by Chongyu Zhu in [#3222](https://github.com/AFNetworking/AFNetworking/pull/3222).
-* Fixed issue where background button image would not be updated
- * Implemented by eofs in [#3220](https://github.com/AFNetworking/AFNetworking/pull/3220).
- 
-
-## [3.0.1](https://github.com/AFNetworking/AFNetworking/releases/tag/3.0.1) (12/11/2015)
-Released on Friday, December 11, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.1+is%3Aclosed).
-
-#### Added
-* Added Xcode 7.2 support to Travis
- * Implemented by Kevin Harwood in [#3216](https://github.com/AFNetworking/AFNetworking/pull/3216).
-
-#### Fixed
-* Fixed race condition with ImageView/Button image downloading when starting/cancelling/starting the same request
- * Implemented by Kevin Harwood in [#3215](https://github.com/AFNetworking/AFNetworking/pull/3215).
- 
-
-## [3.0.0](https://github.com/AFNetworking/AFNetworking/releases/tag/3.0.0) (12/10/2015)
-Released on Thursday, December 10, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.0+is%3Aclosed).
-
-For detailed information about migrating to AFNetworking 3.0.0, please reference the [migration guide](https://github.com/AFNetworking/AFNetworking/wiki/AFNetworking-3.0-Migration-Guide). All 3.0.0 beta changes will be tracked with this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A3.0.0+is%3Aclosed).
-
-#### Added
-* Added support for older versions of Xcode to Travis
- * Implemented by Kevin Harwood in [#3209](https://github.com/AFNetworking/AFNetworking/pull/3209).
-* Added support for [Codecov.io](https://codecov.io/github/AFNetworking/AFNetworking/AFNetworking?branch=master#sort=coverage&dir=desc)
- * Implemented by Cédric Luthi and Kevin Harwood in [#3196](https://github.com/AFNetworking/AFNetworking/pull/3196).
- *  * **Please help us increase overall coverage by submitting a pull request!**
-* Added support for IPv6 to Reachability
- * Implemented by SAMUKEI and Kevin Harwood in [#3174](https://github.com/AFNetworking/AFNetworking/pull/3174).
-* Added support for Objective-C light weight generics
- * Implemented by Kevin Harwood in [#3166](https://github.com/AFNetworking/AFNetworking/pull/3166).
-* Added nullability attributes to response object in success block
- * Implemented by Nathan Racklyeft in [#3154](https://github.com/AFNetworking/AFNetworking/pull/3154).
-* Migrated to Fastlane for CI and Deployment
- * Implemented by Kevin Harwood in [#3148](https://github.com/AFNetworking/AFNetworking/pull/3148).
-* Added support for tvOS
- * Implemented by Kevin Harwood in [#3128](https://github.com/AFNetworking/AFNetworking/issues/3128).
-* New image downloading architecture
- * Implemented by Kevin Harwood in [#3122](https://github.com/AFNetworking/AFNetworking/issues/3122).
-* Added Carthage Support
- * Implemented by Kevin Harwood in [#3121](https://github.com/AFNetworking/AFNetworking/issues/3121).
-* Added a method to create a unique reachability manager
- * Implemented by Mo Bitar in [#3111](https://github.com/AFNetworking/AFNetworking/pull/3111).
-* Added a initial delay to the network indicator per the Apple HIG
- * Implemented by Kevin Harwood in [#3094](https://github.com/AFNetworking/AFNetworking/pull/3094).
-
-#### Updated
-* Improved testing reliability for continuous integration
- * Implemented by Kevin Harwood in [#3124](https://github.com/AFNetworking/AFNetworking/pull/3124).
-* Example project now consumes AFNetworking as a library.
- * Implemented by Kevin Harwood in [#3068](https://github.com/AFNetworking/AFNetworking/pull/3068).
-* Migrated to using `instancetype` where applicable
- * Implemented by Kyle Fuller in [#3064](https://github.com/AFNetworking/AFNetworking/pull/3064).
-* Tweaks to project to support Framework Project
- * Implemented by Christian Noon in [#3062](https://github.com/AFNetworking/AFNetworking/pull/3062).
-
-#### Changed
-* Split the iOS and OS X AppDelegate classes in the Example Project
- * Implemented by Cédric Luthi in [#3193](https://github.com/AFNetworking/AFNetworking/pull/3193).
-* Changed SSL Pinning Error to be `NSURLErrorServerCertificateUntrusted`
- * Implemented by Cédric Luthi and Kevin Harwood in [#3191](https://github.com/AFNetworking/AFNetworking/pull/3191).
-* New Progress Reporting API using `NSProgress`
- * Implemented by Kevin Harwood in [#3187](https://github.com/AFNetworking/AFNetworking/pull/3187).
-* Changed `pinnedCertificates` type in `AFSecurityPolicy` from `NSArray` to `NSSet`
- * Implemented by Cédric Luthi in [#3164](https://github.com/AFNetworking/AFNetworking/pull/3164).
-
-#### Fixed
-* Improved task creation performance for iOS 8+
- * Implemented by nikitahils, Nikita G and Kevin Harwood in [#3208](https://github.com/AFNetworking/AFNetworking/pull/3208).
-* Fixed certificate validation for servers providing incomplete chains
- * Implemented by André Pacheco Neves in [#3159](https://github.com/AFNetworking/AFNetworking/pull/3159).
-* Fixed bug in `AFMultipartBodyStream` that may cause the input stream to read more bytes than required.
- * Implemented by bang in [#3153](https://github.com/AFNetworking/AFNetworking/pull/3153).
-* Fixed race condition crash from Resume/Suspend task notifications
- * Implemented by Kevin Harwood in [#3152](https://github.com/AFNetworking/AFNetworking/pull/3152).
-* Fixed `AFImageDownloader` stalling after numerous failures
- * Implemented by Rick Silva in [#3150](https://github.com/AFNetworking/AFNetworking/pull/3150).
-* Fixed warnings generated in UIWebView category
- * Implemented by Kevin Harwood in [#3126](https://github.com/AFNetworking/AFNetworking/pull/3126).
-
-#### Removed
-* Removed AFBase64EncodedStringFromString static function
- * Implemented by Cédric Luthi in [#3188](https://github.com/AFNetworking/AFNetworking/pull/3188).
-* Removed code supporting conditional compilation for unsupported development configurations.
- * Implemented by Cédric Luthi in [#3177](https://github.com/AFNetworking/AFNetworking/pull/3177).
-* Removed deprecated methods, properties, and notifications from AFN 2.x
- * Implemented by Kevin Harwood in [#3168](https://github.com/AFNetworking/AFNetworking/pull/3168).
-* Removed support for `NSURLConnection`
- * Implemented by Kevin Harwood in [#3120](https://github.com/AFNetworking/AFNetworking/issues/3120).
-* Removed `UIAlertView` category support since it is now deprecated
- * Implemented by Kevin Harwood in [#3034](https://github.com/AFNetworking/AFNetworking/pull/3034).
+* Update Podfile to work on modern CocoaPods
+  * Fixed by [SlaunchaMan](https://github.com/SlaunchaMan) in [#4329](https://github.com/AFNetworking/AFNetworking/pull/4329).
+* Add nullability specifiers to all `id responseObject` parameters
+  * Fixed by [sashaweiss](https://github.com/sashaweiss) in [#4335](https://github.com/AFNetworking/AFNetworking/pull/4335).
+* Fix empty content crash on `AFHTTPSessionManager.post`
+  * Fixed by [jcravioto](https://github.com/jcravioto) in [#4296](https://github.com/AFNetworking/AFNetworking/pull/4296).


-## [2.6.3](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.3) (11/11/2015)
+##[2.6.3](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.3) (11/11/2015)
 Released on Wednesday, November 11, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.6.3+is%3Aclosed).

 #### Fixed
 * Fixed clang analyzer warning suppression that prevented building under some project configurations
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3142](https://github.com/AFNetworking/AFNetworking/pull/3142).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3142](https://github.com/AFNetworking/AFNetworking/pull/3142).
 * Restored Xcode 6 compatibility 
 * Fixed by [jcayzac](https://github.com/jcayzac) in [#3139](https://github.com/AFNetworking/AFNetworking/pull/3139).
 

-## [2.6.2](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.2) (11/06/2015)
+##[2.6.2](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.2) (11/06/2015)
 Released on Friday, November 06, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.6.2+is%3Aclosed).

 ### Important Upgrade Note for Swift
@ -285,23 +38,23 @@ Released on Friday, November 06, 2015. All issues associated with this milestone

 #### Updated
 * Updated travis to run on 7.1
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3132](https://github.com/AFNetworking/AFNetworking/pull/3132).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3132](https://github.com/AFNetworking/AFNetworking/pull/3132).
 * Simplifications of if and return statements in `AFSecurityPolicy`
 * Fixed by [TorreyBetts](https://github.com/TorreyBetts) in [#3063](https://github.com/AFNetworking/AFNetworking/pull/3063).

 #### Fixed
 * Fixed swift interop issue that prevented returning a nil NSURL for a download task
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3133](https://github.com/AFNetworking/AFNetworking/pull/3133).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3133](https://github.com/AFNetworking/AFNetworking/pull/3133).
 * Suppressed false positive memory leak warning in Reachability Manager
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3131](https://github.com/AFNetworking/AFNetworking/pull/3131).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3131](https://github.com/AFNetworking/AFNetworking/pull/3131).
 * Fixed swift interop issue with throws and Request/Response serialization. 
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3130](https://github.com/AFNetworking/AFNetworking/pull/3130).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3130](https://github.com/AFNetworking/AFNetworking/pull/3130).
 * Fixed race condition in reachability callback delivery
 * Fixed by [MichaelHackett](https://github.com/MichaelHackett) in [#3117](https://github.com/AFNetworking/AFNetworking/pull/3117).
 * Fixed URLs that were redirecting in the README
 * Fixed by [frankenbot](https://github.com/frankenbot) in [#3109](https://github.com/AFNetworking/AFNetworking/pull/3109).
 * Fixed Project Warnings
- * Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3102](https://github.com/AFNetworking/AFNetworking/pull/3102).
+ * Fixed by [kcharwood](https://github.com/kcharwood) in [#3102](https://github.com/AFNetworking/AFNetworking/pull/3102).
 * Fixed README link to WWDC session
 * Fixed by [wrtsprt](https://github.com/wrtsprt) in [#3099](https://github.com/AFNetworking/AFNetworking/pull/3099).
 * Switched from `OS_OBJECT_HAVE_OBJC_SUPPORT` to `OS_OBJECT_USE_OBJC` for watchOS 2 support.
@ -315,24 +68,24 @@ Released on Friday, November 06, 2015. All issues associated with this milestone
 ## [2.6.1](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.1) (10-13-2015)
 Released on Tuesday, October 13th, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.6.1+is%3Aclosed).

-### Future Compatibility Note
+###Future Compatibility Note
 Note that AFNetworking 3.0 will soon be released, and will drop support for all `NSURLConnection` based API's (`AFHTTPRequestOperationManager`, `AFHTTPRequestOperation`, and `AFURLConnectionOperation`. If you have not already migrated to `NSURLSession` based API's, please do so soon. For more information, please see the [3.0 migration guide](https://github.com/AFNetworking/AFNetworking/wiki/AFNetworking-3.0-Migration-Guide).

-#### Fixed
+####Fixed
 * Fixed a bug that prevented empty x-www-form-urlencoded bodies.
 	* Fixed by [Julien Cayzac](https://github.com/jcayzac) in [#2868](https://github.com/AFNetworking/AFNetworking/pull/2868).
 * Fixed bug that prevented AFNetworking from being installed for watchOS via Cocoapods.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2909](https://github.com/AFNetworking/AFNetworking/issues/2909).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2909](https://github.com/AFNetworking/AFNetworking/issues/2909).
 * Added missing nullable attributes to `AFURLRequestSerialization` and `AFURLSessionManager`.
 	* Fixed by [andrewtoth](https://github.com/andrewtoth) in [#2911](https://github.com/AFNetworking/AFNetworking/pull/2911).
 * Migrated to `OS_OBJECT_USE_OBJC`.
 	* Fixed by [canius](https://github.com/canius) in [#2930](https://github.com/AFNetworking/AFNetworking/pull/2930).
 * Added missing nullable tags to UIKit extensions.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3000](https://github.com/AFNetworking/AFNetworking/pull/3000).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#3000](https://github.com/AFNetworking/AFNetworking/pull/3000).
 * Fixed potential infinite recursion loop if multiple versions of AFNetworking are loaded in a target.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2743](https://github.com/AFNetworking/AFNetworking/issues/2743). 
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2743](https://github.com/AFNetworking/AFNetworking/issues/2743). 
 * Updated Travis CI test script
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#3032](https://github.com/AFNetworking/AFNetworking/issues/3032). 
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#3032](https://github.com/AFNetworking/AFNetworking/issues/3032). 
 * Migrated to `FOUNDATION_EXPORT` from `extern`.
 	* Fixed by [Andrey Mikhaylov](https://github.com/pronebird) in [#3041](https://github.com/AFNetworking/AFNetworking/pull/3041).
 * Fixed issue where `AFURLConnectionOperation` could get stuck in an infinite loop.
@ -343,17 +96,17 @@ Note that AFNetworking 3.0 will soon be released, and will drop support for all
 ## [2.6.0](https://github.com/AFNetworking/AFNetworking/releases/tag/2.6.0) (08-19-2015)
 Released on Wednesday, August 19th, 2015. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.6.0+is%3Aclosed).

-### Important Upgrade Notes
+###Important Upgrade Notes
 Please note the following API/project changes have been made:

 * iOS 6 and OS X 10.8 support has been dropped from the project to facilitate support for watchOS 2. The final release supporting iOS 6 and OS X 10.8 is 2.5.4.
 * **Full Certificate Chain Validation has been removed** from `AFSecurityPolicy`. As discussed in [#2744](https://github.com/AFNetworking/AFNetworking/issues/2744), there was no documented security advantage to pinning against an entire certificate chain. If you were using full certificate chain, please determine and select the most ideal certificate in your chain to pin against.
-	* Implemented by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2856](https://github.com/AFNetworking/AFNetworking/pull/2856).
+	* Implemented by [Kevin Harwood](https://github.com/kcharwood) in [#2856](https://github.com/AFNetworking/AFNetworking/pull/2856).
 * **The request url will now be returned by the `UIImageView` category if the image is returned from cache.** In previous releases, both the request and the response were nil. Going forward, only the response will be nil.
 	* Implemented by [Chris Gibbs](https://github.com/chrisgibbs) in [#2771](https://github.com/AFNetworking/AFNetworking/pull/2771).
 * **Support for App Extension Targets is now baked in using `NS_EXTENSION_UNAVAILABLE_IOS`.** You no longer need to define `AF_APP_EXTENSIONS` in order to include code in a extension target.
 	* Implemented by [bnickel](https://github.com/bnickel) in [#2737](https://github.com/AFNetworking/AFNetworking/pull/2737).
-* This release now supports watchOS 2.0, which relys on target conditionals that are only present in Xcode 7 and iOS 9/watchOS 2.0/OS X 10.10. If you install the library using CocoaPods, AFNetworking will define these target conditionals for on older platforms, allowing your code to compile. If you do not use Cocoapods, you will need to add the following code your to PCH file.
+* This release now supports watchOS 2.0, which relys on target conditionals that are only present in Xcode 7 and iOS 9/watchOS 2.0/OS X 10.10. If you install the library using CocoaPods, AFNetworking will define these target conditionals for on older platforms, allowing your code to complile. If you do not use Cocoapods, you will need to add the following code your to PCH file.

 ```
 #ifndef TARGET_OS_IOS
@ -364,63 +117,63 @@ Please note the following API/project changes have been made:
 #endif
 ```
 * This release migrates query parameter serialization to model AlamoFire and adhere to RFC standards. Note that `/` and `?` are no longer encoded by default.
-	* Implemented by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2908](https://github.com/AFNetworking/AFNetworking/pull/2908).
+	* Implemented by [Kevin Harwood](https://github.com/kcharwood) in [#2908](https://github.com/AFNetworking/AFNetworking/pull/2908).



 **Note** that support for `NSURLConnection` based API's will be removed in a future update. If you have not already done so, it is recommended that you transition to the `NSURLSession` APIs in the very near future.

-#### Added
+####Added
 * Added watchOS 2.0 support. `AFNetworking` can now be added to watchOS targets using CocoaPods.
-	* Added by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2837](https://github.com/AFNetworking/AFNetworking/issues/2837).
+	* Added by [Kevin Harwood](https://github.com/kcharwood) in [#2837](https://github.com/AFNetworking/AFNetworking/issues/2837).
 * Added nullability annotations to all of the header files to improve Swift interoperability.
-	* Added by [Frank LSF](https://github.com/franklsf95) and [Kevin Harwood](https://github.com/Kevin Harwood) in [#2814](https://github.com/AFNetworking/AFNetworking/pull/2814).
+	* Added by [Frank LSF](https://github.com/franklsf95) and [Kevin Harwood](https://github.com/kcharwood) in [#2814](https://github.com/AFNetworking/AFNetworking/pull/2814).
 * Converted source to Modern Objective-C Syntax.
-	* Implemented by [Matt Shedlick](https://github.com/mattshedlick) and [Kevin Harwood](https://github.com/Kevin Harwood) in [#2688](https://github.com/AFNetworking/AFNetworking/pull/2688).
+	* Implemented by [Matt Shedlick](https://github.com/mattshedlick) and [Kevin Harwood](https://github.com/kcharwood) in [#2688](https://github.com/AFNetworking/AFNetworking/pull/2688).
 * Improved memory performance when download large objects.
-	* Fixed by [Gabe Zabrino](https://github.com/gfzabarino) and [Kevin Harwood](https://github.com/Kevin Harwood) in [#2672](https://github.com/AFNetworking/AFNetworking/pull/2672).
+	* Fixed by [Gabe Zabrino](https://github.com/gfzabarino) and [Kevin Harwood](https://github.com/kcharwood) in [#2672](https://github.com/AFNetworking/AFNetworking/pull/2672).

-#### Fixed
+####Fixed
 * Fixed a crash related for objects that observe notifications but don't properly unregister.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) and [bnickle](https://github.com/bnickel) in [#2741](https://github.com/AFNetworking/AFNetworking/pull/2741).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) and [bnickle](https://github.com/bnickel) in [#2741](https://github.com/AFNetworking/AFNetworking/pull/2741).
 * Fixed a race condition crash that occured with `AFImageResponseSerialization`.
-	* Fixed by [Paulo Ferreria](https://github.com/paulosotu) and [Kevin Harwood](https://github.com/Kevin Harwood) in [#2815](https://github.com/AFNetworking/AFNetworking/pull/2815).
+	* Fixed by [Paulo Ferreria](https://github.com/paulosotu) and [Kevin Harwood](https://github.com/kcharwood) in [#2815](https://github.com/AFNetworking/AFNetworking/pull/2815).
 * Fixed an issue where tests failed to run on CI due to unavailable simulators.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2834](https://github.com/AFNetworking/AFNetworking/pull/2834).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2834](https://github.com/AFNetworking/AFNetworking/pull/2834).
 * Fixed "method override not found" warnings in Xcode 7 Betas
 	* Fixed by [Ben Guo](https://github.com/benzguo) in [#2822](https://github.com/AFNetworking/AFNetworking/pull/2822)
 * Removed Duplicate Import and UIKit Header file.
 	* Fixed by [diehardest](https://github.com/diehardest) in [#2813](https://github.com/AFNetworking/AFNetworking/pull/2813)
 * Removed the ability to include duplicate certificates in the pinned certificate chain.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2756](https://github.com/AFNetworking/AFNetworking/pull/2756).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2756](https://github.com/AFNetworking/AFNetworking/pull/2756).
 * Fixed potential memory leak in `AFNetworkReachabilityManager`.
 	* Fixed by [Julien Cayzac](https://github.com/jcayzac) in [#2867](https://github.com/AFNetworking/AFNetworking/pull/2867).

-#### Documentation Improvements
+####Documentation Improvements
 * Clarified best practices for Reachability per Apple recommendations.
 	* Fixed by [Steven Fisher](https://github.com/tewha) in [#2704](https://github.com/AFNetworking/AFNetworking/pull/2704).
 * Added `startMonitoring` call to the Reachability section of the README
 	* Added by [Jawwad Ahmad](https://github.com/jawwad) in [#2831](https://github.com/AFNetworking/AFNetworking/pull/2831).
 * Fixed documentation error around how `baseURL` is used for reachability monitoring.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2761](https://github.com/AFNetworking/AFNetworking/pull/2761).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2761](https://github.com/AFNetworking/AFNetworking/pull/2761).
 * Numerous spelling corrections in the documentation.
 	* Fixed by [Antoine Cœur](https://github.com/Coeur) in [#2732](https://github.com/AFNetworking/AFNetworking/pull/2732) and [#2898](https://github.com/AFNetworking/AFNetworking/pull/2898).

 ## [2.5.4](https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.4) (2015-05-14)
 Released on 2015-05-14. All issues associated with this milestone can be found using this [filter](https://github.com/AFNetworking/AFNetworking/issues?q=milestone%3A2.5.4+is%3Aclosed).

-#### Updated
+####Updated
 * Updated the CI test script to run iOS tests on all versions of iOS that are installed on the build machine.
-	* Updated by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2716](https://github.com/AFNetworking/AFNetworking/pull/2716).
+	* Updated by [Kevin Harwood](https://github.com/kcharwood) in [#2716](https://github.com/AFNetworking/AFNetworking/pull/2716).
 	
-#### Fixed
+####Fixed

 * Fixed an issue where `AFNSURLSessionTaskDidResumeNotification` and `AFNSURLSessionTaskDidSuspendNotification` were not being properly called due to implementation differences in `NSURLSessionTask` in iOS 7 and iOS 8, which also affects the `AFNetworkActivityIndicatorManager`. 
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2702](https://github.com/AFNetworking/AFNetworking/pull/2702).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2702](https://github.com/AFNetworking/AFNetworking/pull/2702).
 * Fixed an issue where the OS X test linker would throw a warning during tests.
 	* Fixed by [Christian Noon](https://github.com/cnoon) in [#2719](https://github.com/AFNetworking/AFNetworking/pull/2719).
 * Fixed an issue where tests would randomly fail due to mocked objects not being cleaned up.
-	* Fixed by [Kevin Harwood](https://github.com/Kevin Harwood) in [#2717](https://github.com/AFNetworking/AFNetworking/pull/2717).
+	* Fixed by [Kevin Harwood](https://github.com/kcharwood) in [#2717](https://github.com/AFNetworking/AFNetworking/pull/2717).


 ## [2.5.3](https://github.com/AFNetworking/AFNetworking/releases/tag/2.5.3) (2015-04-20)
@ -1155,7 +908,7 @@ calls (Mindaugas Vaičiūnas)

  * Update files to remove executable privilege (Kyle Fuller)

-## [2.0.1](https://github.com/AFNetworking/AFNetworking/releases/tag/2.0.1) (2013-10-10)
+## 2.0.1 (2013-10-10)

 * Fix iOS 6 compatibility (Matt Baker, Mattt Thompson)

@ -1859,7 +1612,7 @@ Steven Fisher)
 renamed to `numberOfFinishedOperations` (Mattt Thompson)


-## [0.10.0](https://github.com/AFNetworking/AFNetworking/releases/tag/0.10.0) / 2012-06-26
+## 0.10.0 / 2012-06-26

 * Add Twitter Mac Example application (Mattt Thompson)

@ -1924,7 +1677,7 @@ renamed to `numberOfFinishedOperations` (Mattt Thompson)
 * Fix AFHTTPClient to not add unnecessary data when constructing multipart form
 request with nil parameters (Taeho Kim)

-## [1.0RC1](https://github.com/AFNetworking/AFNetworking/releases/tag/1.0RC1) / 2012-04-25
+## 1.0RC1 / 2012-04-25

 * Add `AFHTTPRequestOperation +addAcceptableStatusCodes /
 +addAcceptableContentTypes` to dynamically add acceptable status codes and
@ -1944,7 +1697,7 @@ Mattt Thompson)
 distinction between WWan and WiFi reachability (Kevin Harwood, Mattt Thompson)


-## [0.9.2](https://github.com/AFNetworking/AFNetworking/releases/tag/0.9.2) / 2012-04-25
+## 0.9.2 / 2012-04-25

 * Add thread safety to `AFNetworkActivityIndicator` (Peter Steinberger, Mattt
 Thompson)
@ -1989,7 +1742,7 @@ Mattt Thompson)
 * Remove @try-@catch block wrapping network thread entry point (Charles T. Ahn)


-## [0.9.1](https://github.com/AFNetworking/AFNetworking/releases/tag/0.9.1) / 2012-03-19
+## 0.9.1 / 2012-03-19

 * Create Twitter example application (Mattt Thompson)

@ -2047,7 +1800,7 @@ where % is used as a literal rather than as part of a percent escape code
 `AFImageRequestOperation` (Michael Schneider)


-## [0.9.0](https://github.com/AFNetworking/AFNetworking/releases/tag/0.9.0) / 2012-01-23
+## 0.9.0 / 2012-01-23

 * Add thread-safe behavior to `AFURLConnectionOperation` (Mattt Thompson)

--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@ -8,7 +8,6 @@ Please read it before you start participating.
 * [Asking Questions](#asking-questions)
 * [Reporting Security Issues](#reporting-security-issues)
 * [Reporting Issues](#reporting-other-issues)
-* [Submitting Pull Requests](#submitting-pull-requests)
 * [Developers Certificate of Origin](#developers-certificate-of-origin)
 * [Code of Conduct](#code-of-conduct)

@ -53,10 +52,6 @@ When reporting issues, please include the following:

 This information will help us review and fix your issue faster.

-## Submitting Pull Requests
-
-Pull requests are welcome, and greatly encouraged. When submitting a pull request, please create proper test cases demonstrating the issue to be fixed or the new feature.
-
 ## Developer's Certificate of Origin 1.1

 By making a contribution to this project, I certify that:
--- a/CONTRIBUTING_CH.md
+++ b/CONTRIBUTING_CH.md
@ -1,97 +0,0 @@
-# 贡献指南
-本文档包含有关为此项目做出贡献的信息和指南。
-请在开始参加之前阅读。
-
-**主题**
-
-* [提问](#提问)
-* [报告安全问题](#报告安全问题)
-* [报告其他问题](#报告其他问题)
-* [提交拉取请求](#提交拉取请求)
-* [开发人员原产地证书](#开发人员原产地证书-1.1)
-* [行为守则](#行为守则)
-
-## 提问
-
-我们不使用GitHub的论坛发表问题
-对于任何非特定于项目本身的使用问题，
-请直接在[Stack Overflow](https://stackoverflow.com)上询问。
-通过此方法，你可以快速解决您的问题，
-并且任何有相同问题的人可以找到答案。
-这也使维护人员能够专注于为其他人改进项目。
-
-## 报告安全问题
-
-Alamofire Software Foundation 认真对待安全问题。
-如果您发现任何关于安全的问题，请立即通知我们！
-
-请**不要**公然公开发布问题，
-而是将您的问题私下发送到<security@alamofire.org>。
-这将有于帮助确保发现的任何漏洞
-可以[披露制度](http://en.wikipedia.org/wiki/Responsible_disclosure)
-对任何受影响的各方
-
-## 报告其他问题
-
-为此项目贡献的方法
-是当遇到问题时，请发送一篇详细的错误报告。
-我们会感谢您写出的一份精心编写的详尽错误报告。
-
-在提交问题之前，请检查项目里的问题数据库是否已存在此问题。
-如果您找到匹配项，请添加“+1”或“我也遇到此问题”。
-这样做有助于确定最常见问题和请求的优先级。
-
-报告问题时，请包含以下内容：
-
-* 您正在使用的Xcode版本
-* 您的iOS或OS X版本
-* 任何堆栈轨迹或编译器错误的完整输出
-* 如果代码段可再现所描述的行为
-* 任何其他有助于理解问题的细节
-
-此信息有助于我们更快地查看和修复您的问题。
-
-## 提交拉取请求
-
-大力鼓励和欢迎拉取请求。在提交拉取请求时，请创建适当的测试用例，说明修复的问题或新功能。
-
-## 开发人员原产地证书 1.1
-
-为了项目做出贡献，我保证:
-
- (a) The contribution was created in whole or in part by me and I
-      have the right to submit it under the open source license
-      indicated in the file; or
-
- (b) The contribution is based upon previous work that, to the best
-      of my knowledge, is covered under an appropriate open source
-      license and I have the right under that license to submit that
-      work with modifications, whether created in whole or in part
-      by me, under the same open source license (unless I am
-      permitted to submit under a different license), as indicated
-      in the file; or
-
- (c) The contribution was provided directly to me by some other
-      person who certified (a), (b) or (c) and I have not modified
-      it.
-
- (d) I understand and agree that this project and the contribution
-      are public and that a record of the contribution (including all
-      personal information I submit with it, including my sign-off) is
-      maintained indefinitely and may be redistributed consistent with
-      this project or the open source license(s) involved.
-
-## 行为守则
-
-该项目采取贡献者公约为准则。
-
-这项目的成果将会被我们的行为或行动影响。
-
-我们期望每个为此项目做出贡献的人都会对此表示敬意。
-
-详情请阅读 [CONDUCT.md](https://github.com/Alamofire/Foundation/blob/master/CONDUCT.md)。
-
----
-
-*上述陈述的一些想法和措辞是基于 [Docker](https://github.com/docker/docker/blob/master/CONTRIBUTING.md) 和 [Linux](http://elinux.org/Developer_Certificate_Of_Origin) 社区. 
-我们表彰和感激他们为促进项目合作所做的付出。*
--- a/Example.xcodeproj/project.pbxproj
+++ b/Example.xcodeproj/project.pbxproj
--- a/Example.xcodeproj/xcshareddata/xcschemes/iOS
+++ b/Example.xcodeproj/xcshareddata/xcschemes/iOS
@ -1,132 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0930"
-   wasCreatedForAppExtension = "YES"
-   version = "2.0">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "29E6F1E51BB9E37200A4466C"
-               BuildableName = "iOS Today Extension Example.appex"
-               BlueprintName = "iOS Today Extension Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-               BuildableName = "iOS Example.app"
-               BlueprintName = "iOS Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-      </BuildActionEntries>
-   </BuildAction>
-   <TestAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
-      shouldUseLaunchSchemeArgsEnv = "YES">
-      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
-      </Testables>
-      <MacroExpansion>
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-         </BuildableReference>
-      </MacroExpansion>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </TestAction>
-   <LaunchAction
-      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = ""
-      selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
-      launchStyle = "0"
-      useCustomWorkingDirectory = "NO"
-      ignoresPersistentStateOnLaunch = "NO"
-      debugDocumentVersioning = "YES"
-      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES"
-      launchAutomaticallySubstyle = "2">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-      <AdditionalOptions>
-      </AdditionalOptions>
-   </LaunchAction>
-   <ProfileAction
-      buildConfiguration = "Release"
-      shouldUseLaunchSchemeArgsEnv = "YES"
-      savedToolIdentifier = ""
-      useCustomWorkingDirectory = "NO"
-      debugDocumentVersioning = "YES"
-      launchAutomaticallySubstyle = "2">
-      <BuildableProductRunnable
-         runnableDebuggingMode = "0">
-         <BuildableReference
-            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-         </BuildableReference>
-      </BuildableProductRunnable>
-   </ProfileAction>
-   <AnalyzeAction
-      buildConfiguration = "Debug">
-   </AnalyzeAction>
-   <ArchiveAction
-      buildConfiguration = "Release"
-      revealArchiveInOrganizer = "YES">
-   </ArchiveAction>
-</Scheme>
--- a/Example.xcodeproj/xcshareddata/xcschemes/macOS
+++ b/Example.xcodeproj/xcshareddata/xcschemes/macOS
@ -1,115 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<Scheme
-   LastUpgradeVersion = "0930"
-   version = "1.3">
-   <BuildAction
-      parallelizeBuildables = "YES"
-      buildImplicitDependencies = "YES">
-      <BuildActionEntries>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
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+				B304CCE8177D58DD00F4FC85 /* adn.cer in Resources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXResourcesBuildPhase section */
+
+/* Begin PBXSourcesBuildPhase section */
+		F8129BF71591061B009BFE23 /* Sources */ = {
+			isa = PBXSourcesBuildPhase;
+			buildActionMask = 2147483647;
+			files = (
+				7756507218037FAB00A437A8 /* AFURLConnectionOperation.m in Sources */,
+				7756506D18037FAB00A437A8 /* AFHTTPRequestOperation.m in Sources */,
+				7756507018037FAB00A437A8 /* AFNetworkReachabilityManager.m in Sources */,
+				7756507518037FAB00A437A8 /* AFURLSessionManager.m in Sources */,
+				7756507318037FAB00A437A8 /* AFURLRequestSerialization.m in Sources */,
+				F8129C341591073C009BFE23 /* Post.m in Sources */,
+				7756507418037FAB00A437A8 /* AFURLResponseSerialization.m in Sources */,
+				F8129C351591073C009BFE23 /* User.m in Sources */,
+				F8129C321591073C009BFE23 /* AFAppDotNetAPIClient.m in Sources */,
+				7756506E18037FAB00A437A8 /* AFHTTPRequestOperationManager.m in Sources */,
+				7756507118037FAB00A437A8 /* AFSecurityPolicy.m in Sources */,
+				F8129C6F15910B15009BFE23 /* main.m in Sources */,
+				F8129C7715910C40009BFE23 /* AppDelegate.m in Sources */,
+				7756506F18037FAB00A437A8 /* AFHTTPSessionManager.m in Sources */,
+			);
+			runOnlyForDeploymentPostprocessing = 0;
+		};
+/* End PBXSourcesBuildPhase section */
+
+/* Begin XCBuildConfiguration section */
+		F8129C171591061B009BFE23 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = NO;
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				ENABLE_TESTABILITY = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_DYNAMIC_NO_PIC = NO;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_OPTIMIZATION_LEVEL = 0;
+				GCC_PREPROCESSOR_DEFINITIONS = (
+					"DEBUG=1",
+					"$(inherited)",
+				);
+				GCC_SYMBOLS_PRIVATE_EXTERN = NO;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				ONLY_ACTIVE_ARCH = YES;
+				SDKROOT = macosx;
+			};
+			name = Debug;
+		};
+		F8129C181591061B009BFE23 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				ALWAYS_SEARCH_USER_PATHS = NO;
+				CLANG_ENABLE_OBJC_ARC = YES;
+				CLANG_WARN_BOOL_CONVERSION = YES;
+				CLANG_WARN_CONSTANT_CONVERSION = YES;
+				CLANG_WARN_EMPTY_BODY = YES;
+				CLANG_WARN_ENUM_CONVERSION = YES;
+				CLANG_WARN_INT_CONVERSION = YES;
+				CLANG_WARN_UNREACHABLE_CODE = YES;
+				CLANG_WARN__DUPLICATE_METHOD_MATCH = YES;
+				COPY_PHASE_STRIP = YES;
+				DEBUG_INFORMATION_FORMAT = "dwarf-with-dsym";
+				ENABLE_STRICT_OBJC_MSGSEND = YES;
+				GCC_C_LANGUAGE_STANDARD = gnu99;
+				GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+				GCC_NO_COMMON_BLOCKS = YES;
+				GCC_VERSION = com.apple.compilers.llvm.clang.1_0;
+				GCC_WARN_64_TO_32_BIT_CONVERSION = YES;
+				GCC_WARN_ABOUT_RETURN_TYPE = YES;
+				GCC_WARN_UNDECLARED_SELECTOR = YES;
+				GCC_WARN_UNINITIALIZED_AUTOS = YES;
+				GCC_WARN_UNUSED_FUNCTION = YES;
+				GCC_WARN_UNUSED_VARIABLE = YES;
+				MACOSX_DEPLOYMENT_TARGET = 10.10;
+				SDKROOT = macosx;
+			};
+			name = Release;
+		};
+		F8129C1A1591061B009BFE23 /* Debug */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_ENTITLEMENTS = "AFNetworking Example.entitlements";
+				CODE_SIGN_IDENTITY = "";
+				COMBINE_HIDPI_IMAGES = YES;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = Prefix.pch;
+				INFOPLIST_FILE = "Mac-Info.plist";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alamofire.${PRODUCT_NAME:rfc1034identifier}";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Debug;
+		};
+		F8129C1B1591061B009BFE23 /* Release */ = {
+			isa = XCBuildConfiguration;
+			buildSettings = {
+				CODE_SIGN_ENTITLEMENTS = "AFNetworking Example.entitlements";
+				CODE_SIGN_IDENTITY = "";
+				COMBINE_HIDPI_IMAGES = YES;
+				GCC_PRECOMPILE_PREFIX_HEADER = YES;
+				GCC_PREFIX_HEADER = Prefix.pch;
+				INFOPLIST_FILE = "Mac-Info.plist";
+				PRODUCT_BUNDLE_IDENTIFIER = "com.alamofire.${PRODUCT_NAME:rfc1034identifier}";
+				PRODUCT_NAME = "$(TARGET_NAME)";
+				WRAPPER_EXTENSION = app;
+			};
+			name = Release;
+		};
+/* End XCBuildConfiguration section */
+
+/* Begin XCConfigurationList section */
+		F8129BF51591061B009BFE23 /* Build configuration list for PBXProject "AFNetworking OS X Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F8129C171591061B009BFE23 /* Debug */,
+				F8129C181591061B009BFE23 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+		F8129C191591061B009BFE23 /* Build configuration list for PBXNativeTarget "AFNetworking Example" */ = {
+			isa = XCConfigurationList;
+			buildConfigurations = (
+				F8129C1A1591061B009BFE23 /* Debug */,
+				F8129C1B1591061B009BFE23 /* Release */,
+			);
+			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
+		};
+/* End XCConfigurationList section */
+	};
+	rootObject = F8129BF21591061B009BFE23 /* Project object */;
+}
--- a/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:AFNetworking Mac Example.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/AFNetworking.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "0710"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@ -14,10 +14,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "299522641BBF129200859F49"
-               BuildableName = "AFNetworking.framework"
-               BlueprintName = "AFNetworking watchOS"
-               ReferencedContainer = "container:AFNetworking.xcodeproj">
+               BlueprintIdentifier = "F8129BFA1591061B009BFE23"
+               BuildableName = "AFNetworking Example.app"
+               BlueprintName = "AFNetworking Example"
+               ReferencedContainer = "container:AFNetworking OS X Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
@ -29,6 +29,15 @@
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
      </Testables>
+      <MacroExpansion>
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "F8129BFA1591061B009BFE23"
+            BuildableName = "AFNetworking Example.app"
+            BlueprintName = "AFNetworking Example"
+            ReferencedContainer = "container:AFNetworking OS X Example.xcodeproj">
+         </BuildableReference>
+      </MacroExpansion>
      <AdditionalOptions>
      </AdditionalOptions>
   </TestAction>
@ -42,15 +51,16 @@
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
      allowLocationSimulation = "YES">
-      <MacroExpansion>
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522641BBF129200859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking watchOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
+            BlueprintIdentifier = "F8129BFA1591061B009BFE23"
+            BuildableName = "AFNetworking Example.app"
+            BlueprintName = "AFNetworking Example"
+            ReferencedContainer = "container:AFNetworking OS X Example.xcodeproj">
         </BuildableReference>
-      </MacroExpansion>
+      </BuildableProductRunnable>
      <AdditionalOptions>
      </AdditionalOptions>
   </LaunchAction>
@ -60,15 +70,16 @@
      savedToolIdentifier = ""
      useCustomWorkingDirectory = "NO"
      debugDocumentVersioning = "YES">
-      <MacroExpansion>
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "299522641BBF129200859F49"
-            BuildableName = "AFNetworking.framework"
-            BlueprintName = "AFNetworking watchOS"
-            ReferencedContainer = "container:AFNetworking.xcodeproj">
+            BlueprintIdentifier = "F8129BFA1591061B009BFE23"
+            BuildableName = "AFNetworking Example.app"
+            BlueprintName = "AFNetworking Example"
+            ReferencedContainer = "container:AFNetworking OS X Example.xcodeproj">
         </BuildableReference>
-      </MacroExpansion>
+      </BuildableProductRunnable>
   </ProfileAction>
   <AnalyzeAction
      buildConfiguration = "Debug">
--- a/Example.xcodeproj/project.pbxproj
+++ b/Example.xcodeproj/project.pbxproj
--- a/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
+++ b/Example.xcodeproj/project.xcworkspace/contents.xcworkspacedata
@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Workspace
+   version = "1.0">
+   <FileRef
+      location = "self:AFNetworking iOS Example.xcodeproj">
+   </FileRef>
+</Workspace>
--- a/Example.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/Example.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "0710"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@ -14,24 +14,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "2987B0AD1BC408A200179A4C"
-               BuildableName = "AFNetworking tvOS Tests.xctest"
-               BlueprintName = "AFNetworking tvOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "291BFE141BB9ECEE00FFB029"
-               BuildableName = "tvOS Example.app"
-               BlueprintName = "tvOS Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+               BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+               BuildableName = "AFNetworking iOS Example.app"
+               BlueprintName = "AFNetworking iOS Example"
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
@ -42,24 +28,14 @@
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "2987B0AD1BC408A200179A4C"
-               BuildableName = "AFNetworking tvOS Tests.xctest"
-               BlueprintName = "AFNetworking tvOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
      </Testables>
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFE141BB9ECEE00FFB029"
-            BuildableName = "tvOS Example.app"
-            BlueprintName = "tvOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+            BuildableName = "AFNetworking iOS Example.app"
+            BlueprintName = "AFNetworking iOS Example"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <AdditionalOptions>
@ -79,10 +55,10 @@
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFE141BB9ECEE00FFB029"
-            BuildableName = "tvOS Example.app"
-            BlueprintName = "tvOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+            BuildableName = "AFNetworking iOS Example.app"
+            BlueprintName = "AFNetworking iOS Example"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
      <AdditionalOptions>
@ -98,10 +74,10 @@
         runnableDebuggingMode = "0">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFE141BB9ECEE00FFB029"
-            BuildableName = "tvOS Example.app"
-            BlueprintName = "tvOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+            BuildableName = "AFNetworking iOS Example.app"
+            BlueprintName = "AFNetworking iOS Example"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
   </ProfileAction>
--- a/Example.xcodeproj/xcshareddata/xcschemes/AFNetworking
+++ b/Example.xcodeproj/xcshareddata/xcschemes/AFNetworking
@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
+   LastUpgradeVersion = "0710"
   version = "1.3">
   <BuildAction
      parallelizeBuildables = "YES"
@ -14,10 +14,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "299522641BBF129200859F49"
-               BuildableName = "AFNetworking.framework"
+               BlueprintIdentifier = "29900D051B6FB14000DE5662"
+               BuildableName = "AFNetworking watchOS.app"
               BlueprintName = "AFNetworking watchOS"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
         <BuildActionEntry
@ -28,10 +28,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-               BuildableName = "watchOS Example.app"
-               BlueprintName = "watchOS Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+               BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+               BuildableName = "AFNetworking iOS Example.app"
+               BlueprintName = "AFNetworking iOS Example"
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
         <BuildActionEntry
@ -42,24 +42,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-               BuildableName = "iOS Example.app"
-               BlueprintName = "iOS Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
-            </BuildableReference>
-         </BuildActionEntry>
-         <BuildActionEntry
-            buildForTesting = "YES"
-            buildForRunning = "YES"
-            buildForProfiling = "YES"
-            buildForArchiving = "YES"
-            buildForAnalyzing = "YES">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "291BFDC41BB9E85500FFB029"
-               BuildableName = "watchOS Example Extension.appex"
-               BlueprintName = "watchOS Example Extension"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+               BlueprintIdentifier = "29900D111B6FB14000DE5662"
+               BuildableName = "AFNetworking watchOS Extension.appex"
+               BlueprintName = "AFNetworking watchOS Extension"
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
@ -74,10 +60,10 @@
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "29900D051B6FB14000DE5662"
+            BuildableName = "AFNetworking watchOS.app"
+            BlueprintName = "AFNetworking watchOS"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <AdditionalOptions>
@ -96,22 +82,22 @@
      <RemoteRunnable
         runnableDebuggingMode = "2"
         BundleIdentifier = "com.apple.carousel"
-         RemotePath = "/iOS Example">
+         RemotePath = "/AFNetworking iOS Example">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "29900D051B6FB14000DE5662"
+            BuildableName = "AFNetworking watchOS.app"
+            BlueprintName = "AFNetworking watchOS"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </RemoteRunnable>
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "29900D051B6FB14000DE5662"
+            BuildableName = "AFNetworking watchOS.app"
+            BlueprintName = "AFNetworking watchOS"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <AdditionalOptions>
@ -126,22 +112,22 @@
      <RemoteRunnable
         runnableDebuggingMode = "2"
         BundleIdentifier = "com.apple.carousel"
-         RemotePath = "/iOS Example">
+         RemotePath = "/AFNetworking iOS Example">
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "29900D051B6FB14000DE5662"
+            BuildableName = "AFNetworking watchOS.app"
+            BlueprintName = "AFNetworking watchOS"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </RemoteRunnable>
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "291BFDB81BB9E85400FFB029"
-            BuildableName = "watchOS Example.app"
-            BlueprintName = "watchOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "29900D051B6FB14000DE5662"
+            BuildableName = "AFNetworking watchOS.app"
+            BlueprintName = "AFNetworking watchOS"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
   </ProfileAction>
--- a/Example.xcodeproj/xcshareddata/xcschemes/Today
+++ b/Example.xcodeproj/xcshareddata/xcschemes/Today
@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "0930"
-   version = "1.3">
+   LastUpgradeVersion = "0710"
+   wasCreatedForAppExtension = "YES"
+   version = "2.0">
   <BuildAction
      parallelizeBuildables = "YES"
      buildImplicitDependencies = "YES">
@ -14,10 +15,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
+               BlueprintIdentifier = "EBE11F471B62EDD200753127"
+               BuildableName = "Today Extension.appex"
+               BlueprintName = "Today Extension"
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
         <BuildActionEntry
@ -28,10 +29,10 @@
            buildForAnalyzing = "YES">
            <BuildableReference
               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-               BuildableName = "iOS Example.app"
-               BlueprintName = "iOS Example"
-               ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+               BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+               BuildableName = "AFNetworking iOS Example.app"
+               BlueprintName = "AFNetworking iOS Example"
+               ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
            </BuildableReference>
         </BuildActionEntry>
      </BuildActionEntries>
@ -42,24 +43,14 @@
      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
      shouldUseLaunchSchemeArgsEnv = "YES">
      <Testables>
-         <TestableReference
-            skipped = "NO">
-            <BuildableReference
-               BuildableIdentifier = "primary"
-               BlueprintIdentifier = "298D7C3A1BC2C79500FD3B3E"
-               BuildableName = "AFNetworking iOS Tests.xctest"
-               BlueprintName = "AFNetworking iOS Tests"
-               ReferencedContainer = "container:../AFNetworking.xcodeproj">
-            </BuildableReference>
-         </TestableReference>
      </Testables>
      <MacroExpansion>
         <BuildableReference
            BuildableIdentifier = "primary"
-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "EBE11F471B62EDD200753127"
+            BuildableName = "Today Extension.appex"
+            BlueprintName = "Today Extension"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </MacroExpansion>
      <AdditionalOptions>
@ -67,22 +58,23 @@
   </TestAction>
   <LaunchAction
      buildConfiguration = "Debug"
-      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
-      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      selectedDebuggerIdentifier = ""
+      selectedLauncherIdentifier = "Xcode.IDEFoundation.Launcher.PosixSpawn"
      launchStyle = "0"
      useCustomWorkingDirectory = "NO"
      ignoresPersistentStateOnLaunch = "NO"
      debugDocumentVersioning = "YES"
      debugServiceExtension = "internal"
-      allowLocationSimulation = "YES">
+      allowLocationSimulation = "YES"
+      launchAutomaticallySubstyle = "2">
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         runnableDebuggingMode = "0">
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-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+            BuildableName = "AFNetworking iOS Example.app"
+            BlueprintName = "AFNetworking iOS Example"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
         </BuildableReference>
      </BuildableProductRunnable>
      <AdditionalOptions>
@ -93,15 +85,16 @@
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      savedToolIdentifier = ""
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-      debugDocumentVersioning = "YES">
+      debugDocumentVersioning = "YES"
+      launchAutomaticallySubstyle = "2">
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-            BlueprintIdentifier = "29E6F1741BB9DCB500A4466C"
-            BuildableName = "iOS Example.app"
-            BlueprintName = "iOS Example"
-            ReferencedContainer = "container:AFNetworking Example.xcodeproj">
+            BlueprintIdentifier = "F8E4695F1395739C00DB05C8"
+            BuildableName = "AFNetworking iOS Example.app"
+            BlueprintName = "AFNetworking iOS Example"
+            ReferencedContainer = "container:AFNetworking iOS Example.xcodeproj">
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      </BuildableProductRunnable>
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--- a/Example.xcodeproj/project.pbxproj
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-/* End PBXResourcesBuildPhase section */
-
-/* Begin PBXSourcesBuildPhase section */
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-			buildActionMask = 2147483647;
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-				29C4E1041BB46BF400D6B073 /* AFSecurityPolicy.m in Sources */,
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-}
--- a/Extension/Assets.xcassets/READMEignoredByTemplate
+++ b/Extension/Assets.xcassets/READMEignoredByTemplate
--- a/Extension/ExtensionDelegate.h
+++ b/Extension/ExtensionDelegate.h
@ -0,0 +1,13 @@
+//
+//  ExtensionDelegate.h
+//  AFNetworking watchOS Extension
+//
+//  Created by Kevin Harwood on 8/3/15.
+//  Copyright © 2015 Gowalla. All rights reserved.
+//
+
+#import <WatchKit/WatchKit.h>
+
+@interface ExtensionDelegate : NSObject <WKExtensionDelegate>
+
+@end
--- a/Extension/ExtensionDelegate.m
+++ b/Extension/ExtensionDelegate.m
@ -0,0 +1,26 @@
+//
+//  ExtensionDelegate.m
+//  AFNetworking watchOS Extension
+//
+//  Created by Kevin Harwood on 8/3/15.
+//  Copyright © 2015 Gowalla. All rights reserved.
+//
+
+#import "ExtensionDelegate.h"
+
+@implementation ExtensionDelegate
+
+- (void)applicationDidFinishLaunching {
+    // Perform any final initialization of your application.
+}
+
+- (void)applicationDidBecomeActive {
+    // Restart any tasks that were paused (or not yet started) while the application was inactive. If the application was previously in the background, optionally refresh the user interface.
+}
+
+- (void)applicationWillResignActive {
+    // Sent when the application is about to move from active to inactive state. This can occur for certain types of temporary interruptions (such as an incoming phone call or SMS message) or when the user quits the application and it begins the transition to the background state.
+    // Use this method to pause ongoing tasks, disable timers, etc.
+}
+
+@end
--- a/Extension/Info.plist
+++ b/Extension/Info.plist
@ -5,7 +5,7 @@
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleDisplayName</key>
-	<string>watchOS Example Extension</string>
+	<string>AFNetworking watchOS Extension</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
@ -21,13 +21,13 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1</string>
+	<string>1.0.0</string>
 	<key>NSExtension</key>
 	<dict>
 		<key>NSExtensionAttributes</key>
 		<dict>
 			<key>WKAppBundleIdentifier</key>
-			<string>com.alamofire.iOS-Example.watchkitapp</string>
+			<string>com.alamofire.AFNetworking-iOS-Example.watchkitapp</string>
 		</dict>
 		<key>NSExtensionPointIdentifier</key>
 		<string>com.apple.watchkit</string>
--- a/Extension/InterfaceController.h
+++ b/Extension/InterfaceController.h
@ -0,0 +1,14 @@
+//
+//  InterfaceController.h
+//  AFNetworking watchOS Extension
+//
+//  Created by Kevin Harwood on 8/3/15.
+//  Copyright © 2015 Gowalla. All rights reserved.
+//
+
+#import <WatchKit/WatchKit.h>
+#import <Foundation/Foundation.h>
+
+@interface InterfaceController : WKInterfaceController
+
+@end
--- a/Extension/InterfaceController.m
+++ b/Extension/InterfaceController.m
@ -0,0 +1,38 @@
+//
+//  InterfaceController.m
+//  AFNetworking watchOS Extension
+//
+//  Created by Kevin Harwood on 8/3/15.
+//  Copyright © 2015 Gowalla. All rights reserved.
+//
+
+#import "InterfaceController.h"
+
+
+@interface InterfaceController()
+
+@end
+
+
+@implementation InterfaceController
+
+- (void)awakeWithContext:(id)context {
+    [super awakeWithContext:context];
+
+    // Configure interface objects here.
+}
+
+- (void)willActivate {
+    // This method is called when watch view controller is about to be visible to user
+    [super willActivate];
+}
+
+- (void)didDeactivate {
+    // This method is called when watch view controller is no longer visible
+    [super didDeactivate];
+}
+
+@end
+
+
+
--- a/Example/AFNetworking
+++ b/Example/AFNetworking
@ -21,7 +21,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1</string>
+	<string>1.0.0</string>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
 		<string>UIInterfaceOrientationPortrait</string>
--- a/Example/AppDelegate.h
+++ b/Example/AppDelegate.h
@ -1,6 +1,6 @@
 // AppDelegate.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -20,11 +20,25 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-#import <UIKit/UIKit.h>
+#import <Availability.h>

-@interface AppDelegate : NSObject <UIApplicationDelegate>
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    #import <UIKit/UIKit.h>

-@property (nonatomic, strong) UIWindow *window;
-@property (nonatomic, strong) UINavigationController *navigationController;
+    @interface AppDelegate : NSObject <UIApplicationDelegate>

-@end
+    @property (nonatomic, strong) UIWindow *window;
+    @property (nonatomic, strong) UINavigationController *navigationController;
+
+    @end
+#else
+    #import <Cocoa/Cocoa.h>
+
+    @interface AppDelegate : NSObject <NSApplicationDelegate>
+
+    @property (strong) IBOutlet NSWindow *window;
+    @property (strong) IBOutlet NSTableView *tableView;
+    @property (strong) IBOutlet NSArrayController *postsArrayController;
+
+    @end
+#endif
--- a/Example/AppDelegate.m
+++ b/Example/AppDelegate.m
@ -0,0 +1,91 @@
+// AppDelegate.m
+//
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+#import "AppDelegate.h"
+
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
+    #import "GlobalTimelineViewController.h"
+
+    #import "AFNetworkActivityIndicatorManager.h"
+
+    @implementation AppDelegate
+
+    - (BOOL)application:(__unused UIApplication *)application
+    didFinishLaunchingWithOptions:(__unused NSDictionary *)launchOptions
+    {
+        NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
+        [NSURLCache setSharedURLCache:URLCache];
+            
+        [[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
+        
+        UITableViewController *viewController = [[GlobalTimelineViewController alloc] initWithStyle:UITableViewStylePlain];
+        self.navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];
+        self.navigationController.navigationBar.tintColor = [UIColor darkGrayColor];
+        
+        self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
+        self.window.backgroundColor = [UIColor whiteColor];
+        self.window.rootViewController = self.navigationController;
+        [self.window makeKeyAndVisible];
+        
+        return YES;
+    }
+
+    @end
+#else
+    #import "Post.h"
+    #import "User.h"
+
+    @implementation AppDelegate
+
+    - (void)applicationDidFinishLaunching:(NSNotification *)notification {
+        NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
+        [NSURLCache setSharedURLCache:URLCache];
+        
+        [self.window makeKeyAndOrderFront:self];
+        
+        [Post globalTimelinePostsWithBlock:^(NSArray *posts, NSError *error) {
+            if (error) {
+                NSAlert *alert = [[NSAlert alloc] init];
+                alert.messageText = NSLocalizedString(@"Error", nil);
+                alert.informativeText = error.localizedDescription;
+                [alert addButtonWithTitle:NSLocalizedString(@"OK", nil)];
+                [alert runModal];
+            }
+            
+            self.postsArrayController.content = posts;
+        }];
+        
+        [[NSNotificationCenter defaultCenter] addObserverForName:kUserProfileImageDidLoadNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notification) {
+            [self.tableView reloadData];
+        }];
+    }
+
+    - (BOOL)applicationShouldHandleReopen:(NSApplication *)application 
+                        hasVisibleWindows:(BOOL)flag 
+    {
+        [self.window makeKeyAndOrderFront:self];
+        
+        return YES;
+    }
+
+    @end
+#endif
--- a/Example/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Contents.json
@ -1,110 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "iphone",
-      "size" : "20x20",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "iphone",
-      "size" : "20x20",
-      "scale" : "3x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-Small@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "iphone",
-      "filename" : "Icon-Small@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "iphone",
-      "filename" : "Icon-40@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "60x60",
-      "idiom" : "iphone",
-      "filename" : "Icon-60@3x.png",
-      "scale" : "3x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "20x20",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "20x20",
-      "scale" : "2x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-Small.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "29x29",
-      "idiom" : "ipad",
-      "filename" : "Icon-Small@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-40.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "40x40",
-      "idiom" : "ipad",
-      "filename" : "Icon-40@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76.png",
-      "scale" : "1x"
-    },
-    {
-      "size" : "76x76",
-      "idiom" : "ipad",
-      "filename" : "Icon-76@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "ipad",
-      "size" : "83.5x83.5",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "ios-marketing",
-      "size" : "1024x1024",
-      "scale" : "1x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-40.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-40.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-40@2x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-40@2x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-40@3x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-40@3x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-60@2x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-60@2x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-60@3x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-60@3x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-76.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-76.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-76@2x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-76@2x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small@2x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small@2x.png
--- a/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small@3x.png
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Icon-Small@3x.png
--- a/Example/Assets.xcassets/Contents.json
+++ b/Example/Assets.xcassets/Contents.json
@ -1,6 +0,0 @@
-{
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
--- a/Example/Assets.xcassets/profile-image-placeholder.imageset/Contents.json
+++ b/Example/Assets.xcassets/profile-image-placeholder.imageset/Contents.json
@ -1,22 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "universal",
-      "filename" : "profile-image-placeholder.png",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "universal",
-      "filename" : "profile-image-placeholder@2x.png",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "universal",
-      "scale" : "3x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
--- a/Example/Classes/AFAppDotNetAPIClient.h
+++ b/Example/Classes/AFAppDotNetAPIClient.h
@ -1,6 +1,6 @@
 // AFAppDotNetAPIClient.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -21,7 +21,7 @@
 // THE SOFTWARE.

 #import <Foundation/Foundation.h>
-@import AFNetworking;
+#import "AFHTTPSessionManager.h"

@interface AFAppDotNetAPIClient : AFHTTPSessionManager

--- a/Example/Classes/AFAppDotNetAPIClient.m
+++ b/Example/Classes/AFAppDotNetAPIClient.m
@ -1,6 +1,6 @@
 // AFAppDotNetAPIClient.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
--- a/Example/Classes/Controllers/GlobalTimelineViewController.h
+++ b/Example/Classes/Controllers/GlobalTimelineViewController.h
@ -1,6 +1,6 @@
 // GlobalTimelineViewController.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
--- a/Example/Classes/Controllers/GlobalTimelineViewController.m
+++ b/Example/Classes/Controllers/GlobalTimelineViewController.m
@ -1,6 +1,6 @@
 // GlobalTimelineViewController.m
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -26,7 +26,8 @@

 #import "PostTableViewCell.h"

-@import AFNetworking;
+#import "UIRefreshControl+AFNetworking.h"
+#import "UIAlertView+AFNetworking.h"

@interface GlobalTimelineViewController ()
@property (readwrite, nonatomic, strong) NSArray *posts;
@ -44,6 +45,7 @@
        }
    }];

+    [UIAlertView showAlertViewForTaskWithErrorOnCompletion:task delegate:nil];
    [self.refreshControl setRefreshingWithStateOfTask:task];
 }

--- a/Example/Classes/Models/Post.h
+++ b/Example/Classes/Models/Post.h
@ -1,6 +1,6 @@
 // Post.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
--- a/Example/Classes/Models/Post.m
+++ b/Example/Classes/Models/Post.m
@ -1,6 +1,6 @@
 // Post.m
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -44,7 +44,7 @@
 #pragma mark -

 + (NSURLSessionDataTask *)globalTimelinePostsWithBlock:(void (^)(NSArray *posts, NSError *error))block {
-    return [[AFAppDotNetAPIClient sharedClient] GET:@"stream/0/posts/stream/global" parameters:nil progress:nil success:^(NSURLSessionDataTask * __unused task, id JSON) {
+    return [[AFAppDotNetAPIClient sharedClient] GET:@"stream/0/posts/stream/global" parameters:nil success:^(NSURLSessionDataTask * __unused task, id JSON) {
        NSArray *postsFromResponse = [JSON valueForKeyPath:@"data"];
        NSMutableArray *mutablePosts = [NSMutableArray arrayWithCapacity:[postsFromResponse count]];
        for (NSDictionary *attributes in postsFromResponse) {
--- a/Example/Classes/Models/User.h
+++ b/Example/Classes/Models/User.h
@ -1,6 +1,6 @@
 // User.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
--- a/Example/Classes/Models/User.m
+++ b/Example/Classes/Models/User.m
@ -1,6 +1,6 @@
 // User.m
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -21,9 +21,7 @@
 // THE SOFTWARE.

 #import "User.h"
-#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
-//#import "AFHTTPRequestOperation.h"
-#endif
+#import "AFHTTPRequestOperation.h"

 NSString * const kUserProfileImageDidLoadNotification = @"com.alamofire.user.profile-image.loaded";

@ -32,9 +30,9 @@ NSString * const kUserProfileImageDidLoadNotification = @"com.alamofire.user.pro
@property (readwrite, nonatomic, copy) NSString *username;
@property (readwrite, nonatomic, copy) NSString *avatarImageURLString;

-//#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
-//@property (readwrite, nonatomic, strong) AFHTTPRequestOperation *avatarImageRequestOperation;
-//#endif
+#ifdef __MAC_OS_X_VERSION_MIN_REQUIRED
+@property (readwrite, nonatomic, strong) AFHTTPRequestOperation *avatarImageRequestOperation;
+#endif
@end

@implementation User
@ -60,42 +58,41 @@ NSString * const kUserProfileImageDidLoadNotification = @"com.alamofire.user.pro

 #ifdef __MAC_OS_X_VERSION_MIN_REQUIRED

-//+ (NSOperationQueue *)sharedProfileImageRequestOperationQueue {
-//    static NSOperationQueue *_sharedProfileImageRequestOperationQueue = nil;
-//    static dispatch_once_t onceToken;
-//    dispatch_once(&onceToken, ^{
-//        _sharedProfileImageRequestOperationQueue = [[NSOperationQueue alloc] init];
-//        [_sharedProfileImageRequestOperationQueue setMaxConcurrentOperationCount:8];
-//    });
-//    
-//    return _sharedProfileImageRequestOperationQueue;
-//}
+ (NSOperationQueue *)sharedProfileImageRequestOperationQueue {
+    static NSOperationQueue *_sharedProfileImageRequestOperationQueue = nil;
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _sharedProfileImageRequestOperationQueue = [[NSOperationQueue alloc] init];
+        [_sharedProfileImageRequestOperationQueue setMaxConcurrentOperationCount:8];
+    });
+    
+    return _sharedProfileImageRequestOperationQueue;
+}

 - (NSImage *)profileImage {
-    return nil;
-//	if (!_profileImage && !_avatarImageRequestOperation) {
-//        NSMutableURLRequest *mutableRequest = [NSMutableURLRequest requestWithURL:self.avatarImageURL];
-//        [mutableRequest setValue:@"image/*" forHTTPHeaderField:@"Accept"];
-//        AFHTTPRequestOperation *imageRequestOperation = [[AFHTTPRequestOperation alloc] initWithRequest:mutableRequest];
-//        imageRequestOperation.responseSerializer = [AFImageResponseSerializer serializer];
-//        [imageRequestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, NSImage *responseImage) {
-//            self.profileImage = responseImage;
-//
-//			_avatarImageRequestOperation = nil;
-//
-//            [[NSNotificationCenter defaultCenter] postNotificationName:kUserProfileImageDidLoadNotification object:self userInfo:nil];
-//        } failure:nil];
-//
-//		[imageRequestOperation setCacheResponseBlock:^NSCachedURLResponse *(NSURLConnection *connection, NSCachedURLResponse *cachedResponse) {
-//			return [[NSCachedURLResponse alloc] initWithResponse:cachedResponse.response data:cachedResponse.data userInfo:cachedResponse.userInfo storagePolicy:NSURLCacheStorageAllowed];
-//		}];
-//
-//		_avatarImageRequestOperation = imageRequestOperation;
-//		
-//        [[[self class] sharedProfileImageRequestOperationQueue] addOperation:_avatarImageRequestOperation];
-//	}
-//	
-//	return _profileImage;
+	if (!_profileImage && !_avatarImageRequestOperation) {
+        NSMutableURLRequest *mutableRequest = [NSMutableURLRequest requestWithURL:self.avatarImageURL];
+        [mutableRequest setValue:@"image/*" forHTTPHeaderField:@"Accept"];
+        AFHTTPRequestOperation *imageRequestOperation = [[AFHTTPRequestOperation alloc] initWithRequest:mutableRequest];
+        imageRequestOperation.responseSerializer = [AFImageResponseSerializer serializer];
+        [imageRequestOperation setCompletionBlockWithSuccess:^(AFHTTPRequestOperation *operation, NSImage *responseImage) {
+            self.profileImage = responseImage;
+
+			_avatarImageRequestOperation = nil;
+
+            [[NSNotificationCenter defaultCenter] postNotificationName:kUserProfileImageDidLoadNotification object:self userInfo:nil];
+        } failure:nil];
+
+		[imageRequestOperation setCacheResponseBlock:^NSCachedURLResponse *(NSURLConnection *connection, NSCachedURLResponse *cachedResponse) {
+			return [[NSCachedURLResponse alloc] initWithResponse:cachedResponse.response data:cachedResponse.data userInfo:cachedResponse.userInfo storagePolicy:NSURLCacheStorageAllowed];
+		}];
+
+		_avatarImageRequestOperation = imageRequestOperation;
+		
+        [[[self class] sharedProfileImageRequestOperationQueue] addOperation:_avatarImageRequestOperation];
+	}
+	
+	return _profileImage;
 }

 #endif
--- a/Example/Classes/Views/PostTableViewCell.h
+++ b/Example/Classes/Views/PostTableViewCell.h
@ -1,6 +1,6 @@
 // TweetTableViewCell.h
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
--- a/Example/Classes/Views/PostTableViewCell.m
+++ b/Example/Classes/Views/PostTableViewCell.m
@ -1,6 +1,6 @@
 // TweetTableViewCell.m
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -25,11 +25,11 @@
 #import "Post.h"
 #import "User.h"

-@import AFNetworking;
+#import "UIImageView+AFNetworking.h"

@implementation PostTableViewCell

- (instancetype)initWithStyle:(UITableViewCellStyle)style
+- (id)initWithStyle:(UITableViewCellStyle)style
              reuseIdentifier:(NSString *)reuseIdentifier
 {
    self = [super initWithStyle:style reuseIdentifier:reuseIdentifier];
--- a/Example/Default-568h@2x.png
+++ b/Example/Default-568h@2x.png
--- a/Example/Default.png
+++ b/Example/Default.png
--- a/Example/Default@2x.png
+++ b/Example/Default@2x.png
--- a/Example/Icon.png
+++ b/Example/Icon.png
--- a/Example/Icon@2x.png
+++ b/Example/Icon@2x.png
--- a/Example/Assets.xcassets/profile-image-placeholder.imageset/profile-image-placeholder.png
+++ b/Example/Assets.xcassets/profile-image-placeholder.imageset/profile-image-placeholder.png
--- a/Example/Assets.xcassets/profile-image-placeholder.imageset/profile-image-placeholder@2x.png
+++ b/Example/Assets.xcassets/profile-image-placeholder.imageset/profile-image-placeholder@2x.png
--- a/Example/Mac-Info.plist
+++ b/Example/Mac-Info.plist
@ -5,7 +5,7 @@
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleExecutable</key>
-	<string>$(EXECUTABLE_NAME)</string>
+	<string>${EXECUTABLE_NAME}</string>
 	<key>CFBundleIconFile</key>
 	<string></string>
 	<key>CFBundleIdentifier</key>
@ -13,7 +13,7 @@
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
-	<string>$(PRODUCT_NAME)</string>
+	<string>${PRODUCT_NAME}</string>
 	<key>CFBundlePackageType</key>
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
@ -23,7 +23,9 @@
 	<key>CFBundleVersion</key>
 	<string>1</string>
 	<key>LSMinimumSystemVersion</key>
-	<string>$(MACOSX_DEPLOYMENT_TARGET)</string>
+	<string>${MACOSX_DEPLOYMENT_TARGET}</string>
+	<key>NSHumanReadableCopyright</key>
+	<string>Copyright © 2012年 Mattt Thompson. All rights reserved.</string>
 	<key>NSMainNibFile</key>
 	<string>MainMenu</string>
 	<key>NSPrincipalClass</key>
--- a/Example/MainMenu.xib
+++ b/Example/MainMenu.xib
--- a/Extension/Info.plist
+++ b/Extension/Info.plist
@ -5,11 +5,11 @@
 	<key>CFBundleDevelopmentRegion</key>
 	<string>en</string>
 	<key>CFBundleDisplayName</key>
-	<string>Today Extension Example</string>
+	<string>Most recent post</string>
 	<key>CFBundleExecutable</key>
 	<string>$(EXECUTABLE_NAME)</string>
 	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<string>com.alamofire.AFNetworking-iOS-Example.$(PRODUCT_NAME:rfc1034identifier)</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
@ -21,7 +21,7 @@
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleVersion</key>
-	<string>1</string>
+	<string>1.0.0</string>
 	<key>NSExtension</key>
 	<dict>
 		<key>NSExtensionMainStoryboard</key>
@ -29,20 +29,5 @@
 		<key>NSExtensionPointIdentifier</key>
 		<string>com.apple.widget-extension</string>
 	</dict>
-	<key>NSAppTransportSecurity</key>
-	<dict>
-		<key>NSExceptionDomains</key>
-		<dict>
-			<key>cloudfront.net</key>
-			<dict>
-				<key>NSIncludesSubdomains</key>
-				<true/>
-				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
-				<string>TLSv1.0</string>
-				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
-				<false/>
-			</dict>
-		</dict>
-	</dict>
 </dict>
 </plist>
--- a/Example/Base.lproj/MainInterface.storyboard
+++ b/Example/Base.lproj/MainInterface.storyboard
@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9052" systemVersion="14F27" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="M4Y-Lb-cyx">
+<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="7706" systemVersion="14E17e" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" initialViewController="M4Y-Lb-cyx">
    <dependencies>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9040"/>
+        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="7703"/>
        <capability name="Aspect ratio constraints" minToolsVersion="5.1"/>
    </dependencies>
    <scenes>
@ -20,7 +20,7 @@
                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="top" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="Title" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumScaleFactor="0.5" preferredMaxLayoutWidth="280" translatesAutoresizingMaskIntoConstraints="NO" id="GcN-lo-r42">
                                <rect key="frame" x="52" y="8" width="248" height="21"/>
                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                                <color key="textColor" red="1" green="1" blue="1" alpha="0.59999999999999998" colorSpace="calibratedRGB"/>
+                                <color key="textColor" cocoaTouchSystemColor="lightTextColor"/>
                                <nil key="highlightedColor"/>
                            </label>
                            <imageView userInteractionEnabled="NO" contentMode="scaleToFill" horizontalHuggingPriority="251" verticalHuggingPriority="251" translatesAutoresizingMaskIntoConstraints="NO" id="1D3-Uq-R0m">
@ -33,7 +33,7 @@
                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="top" horizontalHuggingPriority="251" verticalCompressionResistancePriority="749" text="Body" lineBreakMode="tailTruncation" numberOfLines="0" baselineAdjustment="alignBaselines" adjustsFontSizeToFit="NO" translatesAutoresizingMaskIntoConstraints="NO" id="nb9-rZ-77O">
                                <rect key="frame" x="52" y="37" width="248" height="32"/>
                                <fontDescription key="fontDescription" type="system" pointSize="12"/>
-                                <color key="textColor" red="1" green="1" blue="1" alpha="0.59999999999999998" colorSpace="calibratedRGB"/>
+                                <color key="textColor" cocoaTouchSystemColor="lightTextColor"/>
                                <nil key="highlightedColor"/>
                            </label>
                        </subviews>
@ -67,4 +67,9 @@
            <point key="canvasLocation" x="516" y="284"/>
        </scene>
    </scenes>
+    <simulatedMetricsContainer key="defaultSimulatedMetrics">
+        <simulatedStatusBarMetrics key="statusBar"/>
+        <simulatedOrientationMetrics key="orientation"/>
+        <simulatedScreenMetrics key="destination" type="retina4"/>
+    </simulatedMetricsContainer>
 </document>
--- a/Extension/TodayViewController.h
+++ b/Extension/TodayViewController.h
@ -1,6 +1,7 @@
-// TodayViewController.h
+//  TodayViewController.h
+//
+//  Copyright (c) 2015 Brian Nickel
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -23,5 +24,4 @@
 #import <UIKit/UIKit.h>

@interface TodayViewController : UIViewController
-
@end
--- a/Extension/TodayViewController.m
+++ b/Extension/TodayViewController.m
@ -1,6 +1,7 @@
 //  TodayViewController.m
 //
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+//  Copyright (c) 2015 Brian Nickel
+//
 //
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -24,7 +25,7 @@
 #import "TodayViewController.h"
 #import "Post.h"
 #import "User.h"
-@import AFNetworking;
+#import "UIImageView+AFNetworking.h"

@interface TodayViewController () <NCWidgetProviding>
@property (strong, nonatomic) IBOutlet UIImageView *imageView;
@ -37,7 +38,7 @@

 - (void)viewDidLoad {
    [super viewDidLoad];
-
+    
    NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
    [NSURLCache setSharedURLCache:URLCache];
    self.post = [self loadSavedPost];
@ -50,13 +51,14 @@
 - (void)widgetPerformUpdateWithCompletionHandler:(void (^)(NCUpdateResult))completionHandler {
    [Post globalTimelinePostsWithBlock:^(NSArray *posts, NSError *error) {
        if (!error) {
+            
            self.post = posts.firstObject;
            [self savePost:self.post];
-
+            
            if (completionHandler) {
                completionHandler(self.post != nil ? NCUpdateResultNewData : NCUpdateResultNoData);
            }
-
+            
        } else {
            if (completionHandler) {
                completionHandler(NCUpdateResultFailed);
@ -67,28 +69,28 @@

 - (void)setPost:(Post *)post {
    _post = post;
-
+    
    self.titleLabel.hidden = post == nil;
    self.bodyLabel.hidden = post == nil;
    self.imageView.hidden = post == nil;
-
+    
    if (post == nil) {
        return;
    }
-
+    
    self.titleLabel.text = _post.user.username;
    self.bodyLabel.text = _post.text;
    [self.imageView setImageWithURL:_post.user.avatarImageURL placeholderImage:[UIImage imageNamed:@"profile-image-placeholder"]];
 }

 - (void)savePost:(Post *)post {
-
+    
    if (post == nil) {
        [[NSUserDefaults standardUserDefaults] removeObjectForKey:@"AF.post"];
        [[NSUserDefaults standardUserDefaults] synchronize];
        return;
    }
-
+    
    NSData *postData = [NSKeyedArchiver archivedDataWithRootObject:post];
    [[NSUserDefaults standardUserDefaults] setObject:postData forKey:@"AF.post"];
    [[NSUserDefaults standardUserDefaults] synchronize];
@ -99,7 +101,7 @@
    if (postData == nil || ![postData isKindOfClass:[NSData class]]) {
        return nil;
    }
-
+    
    return [NSKeyedUnarchiver unarchiveObjectWithData:postData];
 }

--- a/Example/Certificates/adn.cer
+++ b/Example/Certificates/adn.cer
--- a/Example/Certificates/digicert_ca_3.cer
+++ b/Example/Certificates/digicert_ca_3.cer
--- a/Example/AppDelegate.m
+++ b/Example/AppDelegate.m
@ -1,49 +0,0 @@
-// AppDelegate.m
-//
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#import "AppDelegate.h"
-@import AFNetworking;
-
-#import "GlobalTimelineViewController.h"
-
-@implementation AppDelegate
-
- (BOOL)application:(__unused UIApplication *)application didFinishLaunchingWithOptions:(__unused NSDictionary *)launchOptions
-{
-    NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
-    [NSURLCache setSharedURLCache:URLCache];
-    
-    [[AFNetworkActivityIndicatorManager sharedManager] setEnabled:YES];
-    
-    UITableViewController *viewController = [[GlobalTimelineViewController alloc] initWithStyle:UITableViewStylePlain];
-    self.navigationController = [[UINavigationController alloc] initWithRootViewController:viewController];
-    self.navigationController.navigationBar.tintColor = [UIColor darkGrayColor];
-    
-    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
-    self.window.backgroundColor = [UIColor whiteColor];
-    self.window.rootViewController = self.navigationController;
-    [self.window makeKeyAndVisible];
-    
-    return YES;
-}
-
-@end
--- a/Example/Launchscreen.storyboard
+++ b/Example/Launchscreen.storyboard
@ -1,50 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<document type="com.apple.InterfaceBuilder3.CocoaTouch.Storyboard.XIB" version="3.0" toolsVersion="9052" systemVersion="14F27" targetRuntime="iOS.CocoaTouch" propertyAccessControl="none" useAutolayout="YES" launchScreen="YES" useTraitCollections="YES" initialViewController="01J-lp-oVM">
-    <dependencies>
-        <deployment identifier="iOS"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.IBCocoaTouchPlugin" version="9040"/>
-        <capability name="Constraints with non-1.0 multipliers" minToolsVersion="5.1"/>
-    </dependencies>
-    <scenes>
-        <!--View Controller-->
-        <scene sceneID="EHf-IW-A2E">
-            <objects>
-                <viewController id="01J-lp-oVM" sceneMemberID="viewController">
-                    <layoutGuides>
-                        <viewControllerLayoutGuide type="top" id="Llm-lL-Icb"/>
-                        <viewControllerLayoutGuide type="bottom" id="xb3-aO-Qok"/>
-                    </layoutGuides>
-                    <view key="view" contentMode="scaleToFill" id="Ze5-6b-2t3">
-                        <rect key="frame" x="0.0" y="0.0" width="600" height="600"/>
-                        <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                        <subviews>
-                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" misplaced="YES" text="" textAlignment="center" lineBreakMode="tailTruncation" baselineAdjustment="alignBaselines" minimumFontSize="9" translatesAutoresizingMaskIntoConstraints="NO" id="obG-Y5-kRd">
-                                <rect key="frame" x="20" y="559" width="560" height="21"/>
-                                <fontDescription key="fontDescription" type="system" pointSize="17"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-                                <nil key="highlightedColor"/>
-                            </label>
-                            <label opaque="NO" clipsSubviews="YES" userInteractionEnabled="NO" contentMode="left" horizontalHuggingPriority="251" verticalHuggingPriority="251" text="AFNetworking Example" textAlignment="center" lineBreakMode="middleTruncation" baselineAdjustment="alignBaselines" minimumFontSize="18" translatesAutoresizingMaskIntoConstraints="NO" id="GJd-Yh-RWb">
-                                <rect key="frame" x="20" y="180" width="560" height="43"/>
-                                <fontDescription key="fontDescription" type="boldSystem" pointSize="36"/>
-                                <color key="textColor" red="0.0" green="0.0" blue="0.0" alpha="1" colorSpace="calibratedRGB"/>
-                                <nil key="highlightedColor"/>
-                            </label>
-                        </subviews>
-                        <color key="backgroundColor" white="1" alpha="1" colorSpace="custom" customColorSpace="calibratedWhite"/>
-                        <constraints>
-                            <constraint firstAttribute="centerX" secondItem="obG-Y5-kRd" secondAttribute="centerX" id="5cz-MP-9tL"/>
-                            <constraint firstAttribute="centerX" secondItem="GJd-Yh-RWb" secondAttribute="centerX" id="Q3B-4B-g5h"/>
-                            <constraint firstItem="obG-Y5-kRd" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" constant="20" symbolic="YES" id="SfN-ll-jLj"/>
-                            <constraint firstAttribute="bottom" secondItem="obG-Y5-kRd" secondAttribute="bottom" constant="20" id="Y44-ml-fuU"/>
-                            <constraint firstItem="GJd-Yh-RWb" firstAttribute="centerY" secondItem="Ze5-6b-2t3" secondAttribute="bottom" multiplier="1/3" constant="1" id="moa-c2-u7t"/>
-                            <constraint firstItem="GJd-Yh-RWb" firstAttribute="leading" secondItem="Ze5-6b-2t3" secondAttribute="leading" constant="20" symbolic="YES" id="x7j-FC-K8j"/>
-                        </constraints>
-                    </view>
-                </viewController>
-                <placeholder placeholderIdentifier="IBFirstResponder" id="iYj-Kq-Ea1" userLabel="First Responder" sceneMemberID="firstResponder"/>
-            </objects>
-            <point key="canvasLocation" x="53" y="375"/>
-        </scene>
-    </scenes>
-</document>
--- a/Example/iOS-Info.plist
+++ b/Example/iOS-Info.plist
@ -16,11 +16,20 @@
 		<string>Icon@2x.png</string>
 	</array>
 	<key>CFBundleIcons</key>
-	<dict/>
-	<key>CFBundleIcons~ipad</key>
-	<dict/>
+	<dict>
+		<key>CFBundlePrimaryIcon</key>
+		<dict>
+			<key>CFBundleIconFiles</key>
+			<array>
+				<string>Icon.png</string>
+				<string>Icon@2x.png</string>
+			</array>
+			<key>UIPrerenderedIcon</key>
+			<true/>
+		</dict>
+	</dict>
 	<key>CFBundleIdentifier</key>
-	<string>$(PRODUCT_BUNDLE_IDENTIFIER)</string>
+	<string>com.alamofire.${PRODUCT_NAME:rfc1034identifier}</string>
 	<key>CFBundleInfoDictionaryVersion</key>
 	<string>6.0</string>
 	<key>CFBundleName</key>
@ -35,27 +44,10 @@
 	<string>1.0.0</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
-	<key>NSAppTransportSecurity</key>
-	<dict>
-		<key>NSExceptionDomains</key>
-		<dict>
-			<key>cloudfront.net</key>
-			<dict>
-				<key>NSIncludesSubdomains</key>
-				<true/>
-				<key>NSThirdPartyExceptionMinimumTLSVersion</key>
-				<string>TLSv1.0</string>
-				<key>NSThirdPartyExceptionRequiresForwardSecrecy</key>
-				<false/>
-			</dict>
-		</dict>
-	</dict>
 	<key>UIBackgroundModes</key>
 	<array>
 		<string>fetch</string>
 	</array>
-	<key>UILaunchStoryboardName</key>
-	<string>Launchscreen</string>
 	<key>UIPrerenderedIcon</key>
 	<true/>
 	<key>UIStatusBarHidden</key>
--- a/Example/AppDelegate.m
+++ b/Example/AppDelegate.m
@ -1,64 +0,0 @@
-// AppDelegate.m
-//
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
-// 
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-// 
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-// 
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#import "AppDelegate.h"
-@import AFNetworking;
-
-#import "Post.h"
-#import "User.h"
-
-@implementation AppDelegate
-
- (void)applicationDidFinishLaunching:(NSNotification *)notification {
-    NSURLCache *URLCache = [[NSURLCache alloc] initWithMemoryCapacity:4 * 1024 * 1024 diskCapacity:20 * 1024 * 1024 diskPath:nil];
-    [NSURLCache setSharedURLCache:URLCache];
-    
-    [self.window makeKeyAndOrderFront:self];
-    
-    [Post globalTimelinePostsWithBlock:^(NSArray *posts, NSError *error) {
-        if (error) {
-            NSAlert *alert = [[NSAlert alloc] init];
-            alert.messageText = NSLocalizedString(@"Error", nil);
-            alert.informativeText = error.localizedDescription;
-            [alert addButtonWithTitle:NSLocalizedString(@"OK", nil)];
-            [alert runModal];
-        }
-        
-        self.postsArrayController.content = posts;
-    }];
-    
-    __weak __typeof(self)weakSelf = self;
-    [[NSNotificationCenter defaultCenter] addObserverForName:kUserProfileImageDidLoadNotification object:nil queue:[NSOperationQueue mainQueue] usingBlock:^(NSNotification *notification) {
-        __strong __typeof(weakSelf)strongSelf = weakSelf;
-        [strongSelf.tableView reloadData];
-    }];
-}
-
- (BOOL)applicationShouldHandleReopen:(NSApplication *)application
-                    hasVisibleWindows:(BOOL)flag
-{
-    [self.window makeKeyAndOrderFront:self];
-    
-    return YES;
-}
-
-@end
--- a/Example/Assets.xcassets/AppIcon.appiconset/Contents.json
+++ b/Example/Assets.xcassets/AppIcon.appiconset/Contents.json
@ -1,58 +0,0 @@
-{
-  "images" : [
-    {
-      "idiom" : "mac",
-      "size" : "16x16",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "16x16",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "32x32",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "32x32",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "128x128",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "128x128",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "256x256",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "256x256",
-      "scale" : "2x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "512x512",
-      "scale" : "1x"
-    },
-    {
-      "idiom" : "mac",
-      "size" : "512x512",
-      "scale" : "2x"
-    }
-  ],
-  "info" : {
-    "version" : 1,
-    "author" : "xcode"
-  }
-}
--- a/Example/MainMenu.xib
+++ b/Example/MainMenu.xib
@ -1,295 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<document type="com.apple.InterfaceBuilder3.Cocoa.XIB" version="3.0" toolsVersion="13529" targetRuntime="MacOSX.Cocoa" propertyAccessControl="none" useAutolayout="YES">
-    <dependencies>
-        <deployment identifier="macosx"/>
-        <plugIn identifier="com.apple.InterfaceBuilder.CocoaPlugin" version="13529"/>
-        <capability name="documents saved in the Xcode 8 format" minToolsVersion="8.0"/>
-    </dependencies>
-    <objects>
-        <customObject id="-2" userLabel="File's Owner" customClass="NSApplication">
-            <connections>
-                <outlet property="delegate" destination="494" id="615"/>
-            </connections>
-        </customObject>
-        <customObject id="-1" userLabel="First Responder" customClass="FirstResponder"/>
-        <customObject id="-3" userLabel="Application" customClass="NSObject"/>
-        <menu title="AMainMenu" systemMenu="main" id="29">
-            <items>
-                <menuItem title="AFNetworking macOS Example" id="56">
-                    <menu key="submenu" title="AFNetworking macOS Example" systemMenu="apple" id="57">
-                        <items>
-                            <menuItem title="About AFNetworking macOS Example" id="58">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="orderFrontStandardAboutPanel:" target="-2" id="142"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="236">
-                                <modifierMask key="keyEquivalentModifierMask" command="YES"/>
-                            </menuItem>
-                            <menuItem title="Services" id="131">
-                                <menu key="submenu" title="Services" systemMenu="services" id="130"/>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="144">
-                                <modifierMask key="keyEquivalentModifierMask" command="YES"/>
-                            </menuItem>
-                            <menuItem title="Hide AFNetworking macOS Example" keyEquivalent="h" id="134">
-                                <connections>
-                                    <action selector="hide:" target="-1" id="367"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Hide Others" keyEquivalent="h" id="145">
-                                <modifierMask key="keyEquivalentModifierMask" option="YES" command="YES"/>
-                                <connections>
-                                    <action selector="hideOtherApplications:" target="-1" id="368"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Show All" id="150">
-                                <connections>
-                                    <action selector="unhideAllApplications:" target="-1" id="370"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="149">
-                                <modifierMask key="keyEquivalentModifierMask" command="YES"/>
-                            </menuItem>
-                            <menuItem title="Quit AFNetworking macOS Example" keyEquivalent="q" id="136">
-                                <connections>
-                                    <action selector="terminate:" target="-3" id="449"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="File" id="617">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="File" id="618">
-                        <items>
-                            <menuItem title="New" keyEquivalent="n" id="619">
-                                <connections>
-                                    <action selector="newDocument:" target="-1" id="635"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Open…" keyEquivalent="o" id="620">
-                                <connections>
-                                    <action selector="openDocument:" target="-1" id="633"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Open Recent" id="621">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <menu key="submenu" title="Open Recent" systemMenu="recentDocuments" id="630">
-                                    <items>
-                                        <menuItem title="Clear Menu" id="631">
-                                            <connections>
-                                                <action selector="clearRecentDocuments:" target="-1" id="636"/>
-                                            </connections>
-                                        </menuItem>
-                                    </items>
-                                </menu>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="622"/>
-                            <menuItem title="Close" keyEquivalent="w" id="623">
-                                <connections>
-                                    <action selector="performClose:" target="-1" id="634"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Save" keyEquivalent="s" id="624">
-                                <connections>
-                                    <action selector="saveDocument:" target="-1" id="639"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Save As…" keyEquivalent="S" id="625">
-                                <connections>
-                                    <action selector="saveDocumentAs:" target="-1" id="637"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Revert to Saved" id="626">
-                                <modifierMask key="keyEquivalentModifierMask"/>
-                                <connections>
-                                    <action selector="revertDocumentToSaved:" target="-1" id="640"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="627"/>
-                            <menuItem title="Page Setup…" keyEquivalent="P" id="628">
-                                <connections>
-                                    <action selector="runPageLayout:" target="-1" id="638"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Print…" keyEquivalent="p" id="629">
-                                <connections>
-                                    <action selector="print:" target="-1" id="632"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Window" id="19">
-                    <menu key="submenu" title="Window" systemMenu="window" id="24">
-                        <items>
-                            <menuItem title="Minimize" keyEquivalent="m" id="23">
-                                <connections>
-                                    <action selector="performMiniaturize:" target="-1" id="37"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem title="Zoom" id="239">
-                                <connections>
-                                    <action selector="performZoom:" target="-1" id="240"/>
-                                </connections>
-                            </menuItem>
-                            <menuItem isSeparatorItem="YES" id="92">
-                                <modifierMask key="keyEquivalentModifierMask" command="YES"/>
-                            </menuItem>
-                            <menuItem title="Bring All to Front" id="5">
-                                <connections>
-                                    <action selector="arrangeInFront:" target="-1" id="39"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-                <menuItem title="Help" id="490">
-                    <modifierMask key="keyEquivalentModifierMask"/>
-                    <menu key="submenu" title="Help" systemMenu="help" id="491">
-                        <items>
-                            <menuItem title="AFNetworking macOS Example Help" keyEquivalent="?" id="492">
-                                <connections>
-                                    <action selector="showHelp:" target="-1" id="493"/>
-                                </connections>
-                            </menuItem>
-                        </items>
-                    </menu>
-                </menuItem>
-            </items>
-        </menu>
-        <window title="AFNetworking macOS Example" allowsToolTipsWhenApplicationIsInactive="NO" autorecalculatesKeyViewLoop="NO" releasedWhenClosed="NO" showsToolbarButton="NO" animationBehavior="default" id="371">
-            <windowStyleMask key="styleMask" titled="YES" closable="YES" miniaturizable="YES" resizable="YES"/>
-            <windowPositionMask key="initialPositionMask" leftStrut="YES" rightStrut="YES" topStrut="YES" bottomStrut="YES"/>
-            <rect key="contentRect" x="60" y="295" width="331" height="500"/>
-            <rect key="screenRect" x="0.0" y="0.0" width="1440" height="877"/>
-            <value key="minSize" type="size" width="375" height="200"/>
-            <value key="maxSize" type="size" width="375" height="1280"/>
-            <view key="contentView" id="372">
-                <rect key="frame" x="0.0" y="0.0" width="331" height="500"/>
-                <autoresizingMask key="autoresizingMask"/>
-                <subviews>
-                    <scrollView autohidesScrollers="YES" horizontalLineScroll="95" horizontalPageScroll="10" verticalLineScroll="95" verticalPageScroll="10" usesPredominantAxisScrolling="NO" translatesAutoresizingMaskIntoConstraints="NO" id="537">
-                        <rect key="frame" x="-1" y="0.0" width="333" height="500"/>
-                        <clipView key="contentView" id="9mM-mF-FPz">
-                            <rect key="frame" x="1" y="1" width="331" height="498"/>
-                            <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                            <subviews>
-                                <tableView verticalHuggingPriority="750" allowsExpansionToolTips="YES" alternatingRowBackgroundColors="YES" columnReordering="NO" columnSelection="YES" columnResizing="NO" multipleSelection="NO" autosaveColumns="NO" rowHeight="85" rowSizeStyle="automatic" viewBased="YES" id="541">
-                                    <rect key="frame" x="0.0" y="0.0" width="331" height="498"/>
-                                    <autoresizingMask key="autoresizingMask"/>
-                                    <size key="intercellSpacing" width="10" height="10"/>
-                                    <color key="backgroundColor" name="controlBackgroundColor" catalog="System" colorSpace="catalog"/>
-                                    <color key="gridColor" name="gridColor" catalog="System" colorSpace="catalog"/>
-                                    <tableColumns>
-                                        <tableColumn identifier="" width="321" minWidth="70" maxWidth="10000" id="542">
-                                            <tableHeaderCell key="headerCell" lineBreakMode="truncatingTail" borderStyle="border" alignment="left">
-                                                <font key="font" metaFont="smallSystem"/>
-                                                <color key="textColor" name="headerTextColor" catalog="System" colorSpace="catalog"/>
-                                                <color key="backgroundColor" white="0.33333298560000002" alpha="1" colorSpace="calibratedWhite"/>
-                                            </tableHeaderCell>
-                                            <imageCell key="dataCell" refusesFirstResponder="YES" alignment="left" imageAlignment="top" imageScaling="proportionallyDown" id="546"/>
-                                            <tableColumnResizingMask key="resizingMask" resizeWithTable="YES" userResizable="YES"/>
-                                            <prototypeCellViews>
-                                                <tableCellView id="577">
-                                                    <rect key="frame" x="5" y="5" width="321" height="85"/>
-                                                    <autoresizingMask key="autoresizingMask" widthSizable="YES" heightSizable="YES"/>
-                                                    <subviews>
-                                                        <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="578">
-                                                            <rect key="frame" x="85" y="65" width="235" height="17"/>
-                                                            <constraints>
-                                                                <constraint firstAttribute="height" constant="17" id="813"/>
-                                                            </constraints>
-                                                            <textFieldCell key="cell" lineBreakMode="truncatingTail" sendsActionOnEndEditing="YES" title="Username" id="579">
-                                                                <font key="font" metaFont="systemBold" size="14"/>
-                                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
-                                                                <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
-                                                            </textFieldCell>
-                                                            <connections>
-                                                                <binding destination="577" name="value" keyPath="objectValue.user.username" id="604"/>
-                                                            </connections>
-                                                        </textField>
-                                                        <imageView translatesAutoresizingMaskIntoConstraints="NO" id="594">
-                                                            <rect key="frame" x="14" y="21" width="56" height="56"/>
-                                                            <constraints>
-                                                                <constraint firstAttribute="height" constant="50" id="732"/>
-                                                                <constraint firstAttribute="width" constant="50" id="814"/>
-                                                            </constraints>
-                                                            <imageCell key="cell" refusesFirstResponder="YES" alignment="left" imageScaling="proportionallyDown" imageFrameStyle="photo" id="595"/>
-                                                            <connections>
-                                                                <binding destination="577" name="value" keyPath="objectValue.user.profileImage" id="829"/>
-                                                            </connections>
-                                                        </imageView>
-                                                        <textField verticalHuggingPriority="750" horizontalCompressionResistancePriority="250" translatesAutoresizingMaskIntoConstraints="NO" id="596">
-                                                            <rect key="frame" x="85" y="3" width="234" height="56"/>
-                                                            <constraints>
-                                                                <constraint firstAttribute="height" relation="greaterThanOrEqual" constant="34" id="694"/>
-                                                                <constraint firstAttribute="height" constant="56" id="842"/>
-                                                                <constraint firstAttribute="width" priority="652" constant="230" id="843"/>
-                                                            </constraints>
-                                                            <textFieldCell key="cell" sendsActionOnEndEditing="YES" id="597">
-                                                                <font key="font" metaFont="smallSystem"/>
-                                                                <string key="title">Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad mi.</string>
-                                                                <color key="textColor" name="controlTextColor" catalog="System" colorSpace="catalog"/>
-                                                                <color key="backgroundColor" name="controlColor" catalog="System" colorSpace="catalog"/>
-                                                            </textFieldCell>
-                                                            <connections>
-                                                                <binding destination="577" name="value" keyPath="objectValue.text" id="605"/>
-                                                            </connections>
-                                                        </textField>
-                                                    </subviews>
-                                                    <constraints>
-                                                        <constraint firstItem="596" firstAttribute="top" secondItem="577" secondAttribute="top" constant="26" id="702"/>
-                                                        <constraint firstItem="594" firstAttribute="leading" secondItem="577" secondAttribute="leading" constant="17" id="816"/>
-                                                        <constraint firstItem="594" firstAttribute="top" secondItem="577" secondAttribute="top" constant="11" id="824"/>
-                                                        <constraint firstAttribute="trailing" secondItem="578" secondAttribute="trailing" constant="3" id="836"/>
-                                                        <constraint firstItem="578" firstAttribute="leading" secondItem="596" secondAttribute="leading" id="837"/>
-                                                        <constraint firstItem="578" firstAttribute="top" secondItem="577" secondAttribute="top" constant="3" id="838"/>
-                                                        <constraint firstItem="578" firstAttribute="centerX" secondItem="596" secondAttribute="centerX" id="844"/>
-                                                        <constraint firstItem="596" firstAttribute="leading" secondItem="577" secondAttribute="leading" constant="87" id="845"/>
-                                                        <constraint firstItem="578" firstAttribute="leading" secondItem="577" secondAttribute="leading" constant="87" id="846"/>
-                                                    </constraints>
-                                                    <connections>
-                                                        <outlet property="textField" destination="578" id="580"/>
-                                                    </connections>
-                                                </tableCellView>
-                                            </prototypeCellViews>
-                                            <connections>
-                                                <binding destination="555" name="value" keyPath="arrangedObjects" id="598"/>
-                                            </connections>
-                                        </tableColumn>
-                                    </tableColumns>
-                                </tableView>
-                            </subviews>
-                        </clipView>
-                        <scroller key="horizontalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="YES" id="540">
-                            <rect key="frame" x="1" y="484" width="373" height="15"/>
-                            <autoresizingMask key="autoresizingMask"/>
-                        </scroller>
-                        <scroller key="verticalScroller" hidden="YES" verticalHuggingPriority="750" horizontal="NO" id="538">
-                            <rect key="frame" x="224" y="17" width="15" height="102"/>
-                            <autoresizingMask key="autoresizingMask"/>
-                        </scroller>
-                    </scrollView>
-                </subviews>
-                <constraints>
-                    <constraint firstItem="537" firstAttribute="centerY" secondItem="372" secondAttribute="centerY" id="714"/>
-                    <constraint firstAttribute="trailing" secondItem="537" secondAttribute="trailing" constant="-1" id="839"/>
-                    <constraint firstItem="537" firstAttribute="leading" secondItem="372" secondAttribute="leading" constant="-1" id="840"/>
-                    <constraint firstItem="537" firstAttribute="top" secondItem="372" secondAttribute="top" id="841"/>
-                </constraints>
-            </view>
-        </window>
-        <customObject id="494" customClass="AppDelegate">
-            <connections>
-                <outlet property="postsArrayController" destination="555" id="849"/>
-                <outlet property="tableView" destination="541" id="848"/>
-                <outlet property="window" destination="371" id="532"/>
-            </connections>
-        </customObject>
-        <customObject id="420" customClass="NSFontManager"/>
-        <arrayController objectClassName="Spot" editable="NO" id="555" userLabel="Tweets Array Controller"/>
-    </objects>
-</document>
--- a/Example/main.m
+++ b/Example/main.m
@ -1,26 +0,0 @@
-// main.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
-//
-// Permission is hereby granted, free of charge, to any person obtaining a copy
-// of this software and associated documentation files (the "Software"), to deal
-// in the Software without restriction, including without limitation the rights
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-// copies of the Software, and to permit persons to whom the Software is
-// furnished to do so, subject to the following conditions:
-//
-// The above copyright notice and this permission notice shall be included in
-// all copies or substantial portions of the Software.
-//
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-// THE SOFTWARE.
-
-#import <Cocoa/Cocoa.h>
-
-int main(int argc, const char * argv[]) {
-    return NSApplicationMain(argc, argv);
-}
--- a/Example/main.m
+++ b/Example/main.m
@ -1,5 +1,5 @@
 // main.m
-// Copyright (c) 2011–2016 Alamofire Software Foundation ( http://alamofire.org/ )
+// Copyright (c) 2012 Mattt Thompson (http://mattt.me/)
 // 
 // Permission is hereby granted, free of charge, to any person obtaining a copy
 // of this software and associated documentation files (the "Software"), to deal
@ -19,8 +19,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.

-#import <TargetConditionals.h>
-#if TARGET_OS_IOS || TARGET_OS_TV
+#if __IPHONE_OS_VERSION_MIN_REQUIRED
  #import <UIKit/UIKit.h>

  int main(int argc, char *argv[]) {
--- a/Example/Certificates/root_ca.cer
+++ b/Example/Certificates/root_ca.cer
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Jeff Kelley	4f592b6aea	Update CHANGELOG.md	2019-02-12 23:47:01 -05:00
Jeff Kelley	1758ced096	Bump version to 2.7.	2019-02-12 23:38:48 -05:00
Jeff Kelley	4f73d03777	Merge branch 'pr/4296' into 2.x	2019-02-12 23:28:15 -05:00
Jeff Kelley	877dabd166	Merge pull request #4335 from sashaweiss/addNullabilitySpecifiers Add nullability specifiers to all 'id responseObject' parameters	2019-02-12 14:28:56 -05:00
sashaweiss	7fd1ae9775	Merge branch 'og/2.x' into addNullabilitySpecifiers	2019-02-12 10:33:54 -08:00
Jeff Kelley	0375f0fff4	Merge pull request #4329 from AFNetworking/update-2.x-travis-settings [2.x] Update Podfile to work on modern CocoaPods.	2019-02-11 21:48:36 -05:00
Jeff Kelley	e9f73a012b	Stop monitoring before destroying reachability object.	2019-02-11 21:16:21 -05:00
Jeff Kelley	fe467f3f52	Don’t use ARC for reachability ref.	2019-02-11 21:16:21 -05:00
Jeff Kelley	1e295ee421	Tweak tests to send expressions directly.	2019-02-11 21:15:29 -05:00
Jeff Kelley	9f5dad3c46	Add tests and also prohibit +new from working.	2019-02-11 21:15:28 -05:00
Cédric Luthi	bd15694210	Remove assertion that status in callback == reachabilityManager status The status passed in callbacks (both block and notification) is captured before the callbacks are dispatched on the main thread. It is thus possible that the reachabilityManager status change in the meantime. Users MUST use the status parameter for the block callback or the `AFNetworkingReachabilityNotificationStatusItem` user info key for the notification.	2019-02-11 21:14:54 -05:00
Cédric Luthi	498d58d5cb	Explicitly set the expectation to nil to avoid calling fulfill twice	2019-02-11 21:14:34 -05:00
Cédric Luthi	cf6566552a	Enable domain reachability tests	2019-02-11 21:13:53 -05:00
Cédric Luthi	37d7143fa8	Fulfill the expectation once the network status becomes reachable Do not use XCTAssertEqual(reachable, ...) because it might transition to AFNetworkReachabilityStatusNotReachable before becoming reachable.	2019-02-11 21:13:22 -05:00
Cédric Luthi	83b3363681	Remove unnecessary assert This pattern does not make sense at all because the assert can never fail. if (condition) { XCTAssert(condition, @"comment"); }	2019-02-11 21:12:13 -05:00
Jeff Kelley	cc634c2ac2	Update certificates in tests.	2019-02-09 11:44:48 -05:00
Jeff Kelley	389be93005	Track Podfile.lock	2019-02-09 11:31:07 -05:00
sashaweiss	2cc79f0860	Add nullability specifiers to all 'id responseObject' parameters	2018-12-17 10:20:31 -08:00
Jeff Kelley	22d9a594bf	Fix tests with new certificates.	2018-12-07 11:08:33 -05:00
Jeff Kelley	374931cd8f	Update to a supported Xcode image on Travis.	2018-12-07 10:53:24 -05:00
Jeff Kelley	d2a462f288	Update Podfile to work on modern CocoaPods.	2018-12-07 10:47:55 -05:00
Jorge Cravioto	34b0ffb811	Adding nullable attribute to responseObject for post method If you are consuming the AFHTTPSessionManager from swift on xcode 9.3 or above, this will crash when the response has no content (204). This is because of strict closure signature in swift.	2018-10-03 06:05:22 -07:00
Jorge Cravioto	63aa18c972	Adding nullable attribute to responseObject for post method If you are consuming the AFHTTPSessionManager from swift on xcode 9.3 or above, this will crash when the response has no content (204). This is because of strict closure signature in swift.	2018-10-03 06:03:58 -07:00
Kevin Harwood	806d870207	Merge pull request #3204 from kyle-fox/readme-fix Remove testing from command line in readme	2015-12-08 14:16:36 -06:00
Kyle Fox	4151dd1a68	Remove testing from command line in readme Looks like this functionality was removed when the Rakefile was deleted in `e0815da`	2015-12-08 12:30:56 -05:00
Kevin Harwood	0820d39cf6	Updated readme and changelog	2015-12-03 10:28:02 -06:00
Kevin Harwood	ee89cc988e	Preparing for the 2.6.3 release	2015-11-11 08:37:27 -06:00
Kevin Harwood	3cfa2127e0	Merge pull request #3142 from AFNetworking/fix/3138 Fixed clang analyzer warning suppression that prevented building under some project configurations	2015-11-11 08:25:30 -06:00
Kevin Harwood	085a4dcfa4	Fixed issue clang analyzer warning suppression that preventing building under some project configurations Fix for #3138	2015-11-09 10:27:44 -06:00
Kevin Harwood	313c9797e3	Merge pull request #3139 from jcayzac/fix-3137 Restored Xcode 6 compatibility	2015-11-09 10:18:43 -06:00
Kevin Harwood	a55cfc0982	Updated changelog for #31377	2015-11-09 09:00:12 -06:00
Julien Cayzac	51e86a901c	Xcode 6 compatibility (#3137 )	2015-11-09 12:36:51 +09:00
Kevin Harwood	928858869d	Prepping for the 2.6.2 release	2015-11-06 13:53:20 -06:00
Kevin Harwood	743953662a	Merge pull request #3133 from AFNetworking/fix/3104 Fixed swift interop issue that prevented returning a nil NSURL for a download task	2015-11-06 10:26:34 -06:00
Kevin Harwood	d7f4b937e5	Merge pull request #3132 from AFNetworking/ci/xcode_71 Updated travis to run on 7.1	2015-11-06 10:26:15 -06:00
Kevin Harwood	4e592847ae	Merge pull request #3117 from MichaelHackett/serialize-reachability-callbacks Fixed race condition in reachability callback delivery	2015-11-06 09:52:37 -06:00
Kevin Harwood	5be7853b1f	Merge pull request #3131 from AFNetworking/fix/3110 Suppressed false positive memory leak warning in Reachability Manager	2015-11-06 09:28:44 -06:00
Kevin Harwood	9f2c8b8783	Merge pull request #3130 from AFNetworking/fix/2810 Fixed swift interop issue with throws and Request/Response serialization	2015-11-06 09:28:18 -06:00
Kevin Harwood	105fc642f9	Fixed swift interop issue that prevented returning a nil NSURL for a download task Fix for #3104 and #3043	2015-11-06 09:25:34 -06:00
Kevin Harwood	d6929054c7	Updated travis to run on 7.1	2015-11-06 09:16:47 -06:00
Kevin Harwood	8acca137a4	Suppressed false positive memory leak warning in Reachability Manager Fix for #3110	2015-11-06 09:03:06 -06:00
Kevin Harwood	aa81eb47d4	Fixed swift interop issue with throws and Request/Response serialization Fix for #2810	2015-11-06 08:38:29 -06:00
Michael Hackett	07c18ad0ff	Remove reachability-association type -- no longer need special case. It appears that a check was put in place to work around a race condition when reachability was associated with a domain name. However, the cause of the race condition is addressed in the previous commit, so the special-casing is no longer needed.	2015-11-04 14:59:58 -04:00
Michael Hackett	9f44d51da7	Make all reachability-status callbacks from the main GCD queue. Because the run-loop reachability callback executed its callback directly, whereas the initial check (fired off from `-[AFNetworkReachabilityManager startMonitoring]`) executed the callback from a GCD queue, it was possible for the callbacks to be executed out of order from when the status was obtained, leaving the listener in the incorrect state. By sending both routes through the same GCD-queuing function, both the callbacks and NSNotifications will be processed in the order in which they are sent. It also removes some repetition in the code.	2015-11-04 14:58:51 -04:00
Kevin Harwood	406057afbc	Merge pull request #3112 from dkhamsing/patch-1 Fix URL in README	2015-11-03 11:09:54 -06:00
dkhamsing	128954682b	Fix URL in README	2015-11-03 09:04:03 -08:00
Kevin Harwood	6525a55c0a	Merge pull request #3109 from frankenbot/master FIXED URLs that were redirecting in the README	2015-11-03 08:49:22 -06:00
frankenbot	64974e28cc	Update redirects	2015-11-02 22:53:41 -08:00
Kevin Harwood	5dab172c47	Merge pull request #3102 from AFNetworking/3019 Removed Project Warnings (and updated version of #3019)	2015-10-27 14:35:18 -05:00
Kevin Harwood	1838e68638	Suppressed warnings for test file	2015-10-27 14:16:51 -05:00
Kevin Harwood	cc9d7ba0eb	Updating Test Target for new version of Cocoapods	2015-10-27 14:10:40 -05:00
Kevin Harwood	97519e4e6b	Updated project settings for Xcode 7.1	2015-10-27 14:09:57 -05:00
Kevin Harwood	477bdee800	Removed additional warnings	2015-10-27 14:06:37 -05:00
Steve Christensen	bb3773e20c	Added some casts to fix compiler errors with stricy build settings. Renamed some function parameters to avoid reserved keyword issues if the compiler is set for Obj-C++.	2015-10-27 14:03:08 -05:00
Kevin Harwood	1d5c63ec48	Merge pull request #3099 from wrtsprt/master Fix README link to WWDC session	2015-10-27 10:51:12 -05:00
Raphael Doehring	6f20bf25b1	Fix README link to WWDC session … Apple changed the format WWDC video URLs.	2015-10-26 17:21:28 +01:00
Kevin Harwood	09f6cc19e1	Additional updates for #2794	2015-10-21 13:55:07 -05:00
Oleg Naumenko	22baaac0e0	fix memory leak	2015-10-21 13:48:15 -05:00
Oleg Naumenko	b43776acfe	fix memory leak in NSURLSession	2015-10-21 13:47:02 -05:00
Kevin Harwood	c90c3dae68	Added test for #3057	2015-10-21 09:25:05 -05:00
Takeru Chuganji	3e12404b2d	fix nullablity	2015-10-21 08:51:42 -05:00
Takeru Chuganji	76bc4cb3f4	add missing __nullable attributes	2015-10-21 08:51:42 -05:00
Kevin Harwood	d89c4fefe7	Cherry-picked change from #3063	2015-10-21 08:48:21 -05:00
Kevin Harwood	c94299a372	Merge pull request #2887 from AFNetworking/security/2887 AFHTTPSessionManager copying securityPolicy not getting copied	2015-10-21 08:15:27 -05:00
Kevin Harwood	4f39335725	Changed id to instancetype	2015-10-20 09:25:52 -05:00
Kevin Harwood	807f1b9c75	AFSecurityPolicy now conforms to NSSecureCoding and NSCopying for #2887	2015-10-19 15:51:29 -05:00
Kevin Harwood	acfaa7ea80	Merge pull request #3065 from AFNetworking/kylef/os_obj_use_objc Switch to OS_OBJECT_USE_OBJC	2015-10-16 08:53:09 -05:00
Kyle Fuller	02b80938ee	Switch to OS_OBJECT_USE_OBJC	2015-10-15 20:47:19 -07:00
Kevin Harwood	dad1b8bfcc	updated docs for 2.6.1	2015-10-13 14:00:01 -05:00
Kevin Harwood	50f01e2f05	Merge pull request #2496 from AFNetworking/2496 hasSpaceAvailable become "false" and no failure blocks are called	2015-10-13 13:57:09 -05:00
Kevin Harwood	6b6d41d992	- Updated implementation for #3028 - Added test demonstrating fix	2015-10-13 13:29:42 -05:00
AM	a7820d2e0a	crash fix with iOS 7 stringByAddingPercentEncodingWithAllowedCharacters method	2015-10-13 13:04:36 -05:00
Kevin Harwood	4696469eaa	Bringing in fix for #2496	2015-10-13 12:57:33 -05:00
Kevin Harwood	6d18d1a791	Merge pull request #2743 from AFNetworking/2743 AWS analytics for iOS app crash in AFNetworking	2015-10-13 12:50:03 -05:00
Kevin Harwood	588f2f19f2	Potential fix for #2743	2015-10-13 11:29:04 -05:00
Kevin Harwood	abd9c02e9f	Migrated to FOUNDATION_EXPORT in all header files	2015-10-13 11:25:56 -05:00
Andrey Mikhaylov	2ab3bbdcc8	Fix linker issues when C++ imports AFNetworkReachabilityManager.h (Fixes #3040 ) Replace `extern` with `FOUNDATION_EXPORT` which works correctly when C++ imports the header.	2015-10-13 11:25:56 -05:00
Kevin Harwood	1ba256a6d6	Merge pull request #3032 from AFNetworking/2.x_travis_refactor Migrated to Travis Matrix for 2.X	2015-10-13 11:24:06 -05:00
Kevin Harwood	e0815dacfa	Migrated to Travis Matrix	2015-10-13 10:43:52 -05:00
Kevin Harwood	824f7c570a	Merge pull request #2868 from jcayzac/fix-2864 Fix #2864: allow empty x-www-form-urlencoded bodies	2015-10-08 14:40:41 -05:00
Julien Cayzac	9cb72ef844	Added unit tests for #2864	2015-08-27 12:33:34 +09:00
Julien Cayzac	76fa71824d	Added unit tests for #2864	2015-08-04 14:46:27 +09:00
Julien Cayzac	680a478b36	Fix #2864 : allow empty x-www-form-urlencoded bodies	2015-07-30 14:17:44 +09:00