feat: improve appearance at the different sizes

feat: hide space labels when showing same-space windows (closes #3766 )
chore: preload fewer recycled views ahead of time
2024-11-02 00:05:27 +01:00 · 2024-11-02 00:05:27 +01:00 · 2024-11-02 00:05:27 +01:00 · 2024-11-02 00:05:27 +01:00 · 2024-10-31 22:57:53 +01:00 · 2024-10-31 22:57:53 +01:00
695 changed files with 59405 additions and 14815 deletions
@@ -0,0 +1,2 @@
+github: lwouis
+patreon: lwouis
@@ -13,7 +13,7 @@ A clear and concise description of what the bug is. What happened, and what you

 **Screenshots / video**

-Add screenshots to help explain your problem. You can also use Loom to easily record your screen to show the bug in action. That is *really* helpful!
+Add screenshots to help explain your problem. You can also record your screen to show the bug in action. That is *really* helpful!

 **Steps to reproduce the bug**

@@ -21,3 +21,9 @@ Add screenshots to help explain your problem. You can also use Loom to easily re
 2. Click on '....'
 3. Scroll down to '....'
 4. See error
+
+**Your environment**
+
+* AltTab version: 
+* macOS version: 
+* Other relevant info: e.g. using external keyboard, multiple monitors, etc
@@ -6,7 +6,8 @@ IDEWorkspaceChecks.plist
 /DerivedData/
 /build/
 .DS_Store
-docs/_site/
+/docs/_site/
+/docs/vendor/
 codesign.conf
 codesign.crt
 codesign.key
@@ -0,0 +1,8 @@
+retain_objc_accessible: true
+schemes:
+  - Release
+targets:
+  - alt-tab-macos
+workspace: alt-tab-macos.xcworkspace
+report_exclude:
+  - src/api-wrappers/PrivateApis.swift
@@ -0,0 +1,6 @@
+# We can find the rules here.
+# https://github.com/nicklockwood/SwiftFormat/blob/main/Rules.md
+
+--swiftversion 5.5
+
+--maxwidth 120
@@ -0,0 +1,11 @@
+# **/*.swift: Matches all .swift files in the current directory and all its subdirectories.
+# src/**/*.swift: Matches all .swift files in the src directory and all its subdirectories.
+# !node_modules/**: Excludes all files in the node_modules directory and all its subdirectories.
+
+Pods/**
+Generated/**
+
+**/PrivateApis.swift
+
+# We will open a new branch to deal with code format issues at the next release.
+**/*
@@ -1,11 +1,12 @@
 branches:
  only:
    - master
+    - develop
 os: osx
-osx_image: xcode12.2
+osx_image: xcode13.4
 language: node_js
 node_js:
-  - 10
+  - 16
 addons:
  ssh_known_hosts: github.com
  homebrew:
@@ -20,13 +21,14 @@ env:
    - APP_NAME="$(awk -F ' = ' '/PRODUCT_NAME/ { print $2; }' < config/base.xcconfig)"
 install: true # disable default install
 script: scripts/travis.sh
+before_deploy: if [[ $TRAVIS_TEST_RESULT == 1 ]]; then echo "build failed; exiting to prevent deploy phases"; sleep 2; exit 1; fi
 deploy:
  provider: releases
  token:
-    secure: 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
+    secure: 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
  file_glob: true
  file: "$XCODE_BUILD_PATH/*.zip"
  skip_cleanup: true
  on:
    repo: lwouis/alt-tab-macos
-after_deploy: scripts/update_homebrew_cask.sh
+after_deploy: scripts/after_deploy.sh
@@ -6,6 +6,12 @@ verify_ssl = true
 [dev-packages]

 [packages]
-fonttools = "*"
+fonttools = "==4.8.1"
+googletrans = "==3.0.0"

-[scripts]
+[requires]
+python_version = "3.6"
+
+[scripts]
+font2png = "scripts/convert_font_to_png.sh"
+translate = "python scripts/translate_i18n_tools.py resources/l10n --retry_translate"
@@ -1,7 +1,7 @@
 {
    "_meta": {
        "hash": {
-            "sha256": "8f11c81dff5e32871b7cb2314acb76fd1fb4a06fdb403a65bc6749fe3770eda6"
+            "sha256": "00c7c75d00988a027e56c90f3a0bbba05aec3b41b2f7fd9be24f3cb27bf15eaf"
        },
        "pipfile-spec": 6,
        "requires": {},
@@ -14,13 +14,111 @@
        ]
    },
    "default": {
+        "certifi": {
+            "hashes": [
+                "sha256:922820b53db7a7257ffbda3f597266d435245903d80737e34f8a45ff3e3230d8",
+                "sha256:bec941d2aa8195e248a60b31ff9f0558284cf01a52591ceda73ea9afffd69fd9"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==2024.8.30"
+        },
+        "chardet": {
+            "hashes": [
+                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
+                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+            ],
+            "version": "==3.0.4"
+        },
        "fonttools": {
            "hashes": [
                "sha256:596c0e8399c650dbf1048b7ca6fc7b12bd79a7db0981f3b87743de8c2b7512de",
                "sha256:6d241d319ea9eae4c4ee27cbd1db8656dbd496dd9aa884401debfab3a4c7d82b"
            ],
            "index": "pypi",
+            "markers": "python_version >= '3.6'",
            "version": "==4.8.1"
+        },
+        "googletrans": {
+            "hashes": [
+                "sha256:44caeea42d91ff6ead5c2d49db2b88de66c45c2fe874c8ec03eb9b4ceb3a533d"
+            ],
+            "index": "pypi",
+            "version": "==3.0.0"
+        },
+        "h11": {
+            "hashes": [
+                "sha256:33d4bca7be0fa039f4e84d50ab00531047e53d6ee8ffbc83501ea602c169cae1",
+                "sha256:4bc6d6a1238b7615b266ada57e0618568066f57dd6fa967d1290ec9309b2f2f1"
+            ],
+            "version": "==0.9.0"
+        },
+        "h2": {
+            "hashes": [
+                "sha256:61e0f6601fa709f35cdb730863b4e5ec7ad449792add80d1410d4174ed139af5",
+                "sha256:875f41ebd6f2c44781259005b157faed1a5031df3ae5aa7bcb4628a6c0782f14"
+            ],
+            "version": "==3.2.0"
+        },
+        "hpack": {
+            "hashes": [
+                "sha256:0edd79eda27a53ba5be2dfabf3b15780928a0dff6eb0c60a3d6767720e970c89",
+                "sha256:8eec9c1f4bfae3408a3f30500261f7e6a65912dc138526ea054f9ad98892e9d2"
+            ],
+            "version": "==3.0.0"
+        },
+        "hstspreload": {
+            "hashes": [
+                "sha256:2ab4518495a132c4ae430c474afffd12938852c6eec68ce1368c8f7858dc3076",
+                "sha256:9c1b2d0313899d3ff9dac03ab39d53fed95c32eef9862e7eabee8dc07dfd589c"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==2024.9.1"
+        },
+        "httpcore": {
+            "hashes": [
+                "sha256:9850fe97a166a794d7e920590d5ec49a05488884c9fc8b5dba8561effab0c2a0",
+                "sha256:ecc5949310d9dae4de64648a4ce529f86df1f232ce23dcfefe737c24d21dfbe9"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==0.9.1"
+        },
+        "httpx": {
+            "hashes": [
+                "sha256:32d930858eab677bc29a742aaa4f096de259f1c78c68a90ad11f5c3c04f08335",
+                "sha256:3642bd13e90b80ba8a243a730275eb10a4c26ec96f5fc16b87e458d4ab21efae"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==0.13.3"
+        },
+        "hyperframe": {
+            "hashes": [
+                "sha256:5187962cb16dcc078f23cb5a4b110098d546c3f41ff2d4038a9896893bbd0b40",
+                "sha256:a9f5c17f2cc3c719b917c4f33ed1c61bd1f8dfac4b1bd23b7c80b3400971b41f"
+            ],
+            "version": "==5.2.0"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==2.10"
+        },
+        "rfc3986": {
+            "hashes": [
+                "sha256:270aaf10d87d0d4e095063c65bf3ddbc6ee3d0b226328ce21e036f946e421835",
+                "sha256:a86d6e1f5b1dc238b218b012df0aa79409667bb209e58da56d0b94704e712a97"
+            ],
+            "version": "==1.5.0"
+        },
+        "sniffio": {
+            "hashes": [
+                "sha256:2f6da418d1f1e0fddd844478f41680e794e6051915791a034ff65e5f100525a2",
+                "sha256:f4324edc670a0f49750a81b895f35c3adb843cca46f0530f79fc1babb23789dc"
+            ],
+            "markers": "python_version >= '3.7'",
+            "version": "==1.3.1"
        }
    },
    "develop": {}
@@ -3,8 +3,9 @@ platform :osx, '10.12'
 target 'alt-tab-macos' do
  use_frameworks!
  pod 'LetsMove', :git => 'https://github.com/lwouis/LetsMove.git', :commit => '7abf4daed1a25218f2b52f2dfd190aee5a50071c'
-  pod 'Sparkle', :podspec => 'https://raw.githubusercontent.com/lwouis/Sparkle/master/Sparkle.podspec'
-  pod 'ShortcutRecorder', :git => 'https://github.com/Kentzo/ShortcutRecorder.git', :commit => 'f718220854575bad86fa89dd2bb3decd0b14b2b0'
+  pod 'Sparkle', :podspec => 'https://raw.githubusercontent.com/lwouis/Sparkle/fix-iframe-popup-1.24/Sparkle.podspec'
+  pod 'ShortcutRecorder', :git => 'https://github.com/lwouis/ShortcutRecorder.git', :branch => 'alt-tab-current'
  pod 'SwiftyMarkdown', '1.1.0'
-  pod 'AppCenter/Crashes', '3.3.1'
+  pod 'AppCenter/Crashes', '4.3.0'
+  pod 'SwiftyBeaver', '1.9.0'
 end
@@ -1,22 +1,25 @@
 PODS:
-  - AppCenter/Core (3.3.1)
-  - AppCenter/Crashes (3.3.1):
+  - AppCenter/Core (4.3.0)
+  - AppCenter/Crashes (4.3.0):
    - AppCenter/Core
  - LetsMove (1.24)
  - ShortcutRecorder (3.1)
-  - Sparkle (1.23.1)
+  - Sparkle (1.24.0)
+  - SwiftyBeaver (1.9.0)
  - SwiftyMarkdown (1.1.0)

 DEPENDENCIES:
-  - AppCenter/Crashes (= 3.3.1)
+  - AppCenter/Crashes (= 4.3.0)
  - LetsMove (from `https://github.com/lwouis/LetsMove.git`, commit `7abf4daed1a25218f2b52f2dfd190aee5a50071c`)
-  - ShortcutRecorder (from `https://github.com/Kentzo/ShortcutRecorder.git`, commit `f718220854575bad86fa89dd2bb3decd0b14b2b0`)
-  - Sparkle (from `https://raw.githubusercontent.com/lwouis/Sparkle/master/Sparkle.podspec`)
+  - ShortcutRecorder (from `https://github.com/lwouis/ShortcutRecorder.git`, branch `alt-tab-current`)
+  - Sparkle (from `https://raw.githubusercontent.com/lwouis/Sparkle/fix-iframe-popup-1.24/Sparkle.podspec`)
+  - SwiftyBeaver (= 1.9.0)
  - SwiftyMarkdown (= 1.1.0)

 SPEC REPOS:
  trunk:
    - AppCenter
+    - SwiftyBeaver
    - SwiftyMarkdown

 EXTERNAL SOURCES:
@@ -24,26 +27,27 @@ EXTERNAL SOURCES:
    :commit: 7abf4daed1a25218f2b52f2dfd190aee5a50071c
    :git: https://github.com/lwouis/LetsMove.git
  ShortcutRecorder:
-    :commit: f718220854575bad86fa89dd2bb3decd0b14b2b0
-    :git: https://github.com/Kentzo/ShortcutRecorder.git
+    :branch: alt-tab-current
+    :git: https://github.com/lwouis/ShortcutRecorder.git
  Sparkle:
-    :podspec: https://raw.githubusercontent.com/lwouis/Sparkle/master/Sparkle.podspec
+    :podspec: https://raw.githubusercontent.com/lwouis/Sparkle/fix-iframe-popup-1.24/Sparkle.podspec

 CHECKOUT OPTIONS:
  LetsMove:
    :commit: 7abf4daed1a25218f2b52f2dfd190aee5a50071c
    :git: https://github.com/lwouis/LetsMove.git
  ShortcutRecorder:
-    :commit: f718220854575bad86fa89dd2bb3decd0b14b2b0
-    :git: https://github.com/Kentzo/ShortcutRecorder.git
+    :commit: 5bb32febdab48038ce1762bf14f5ce8024b11fe7
+    :git: https://github.com/lwouis/ShortcutRecorder.git

 SPEC CHECKSUMS:
-  AppCenter: 76ecf7e959a68e36b0fd314e8dc5897660214423
+  AppCenter: 883369ab78427b0561c688158d689dfe1f993ea9
  LetsMove: fefe56bc7bc7fb7d37049e28a14f297961229fc5
  ShortcutRecorder: fdf620aca34101b0cba3b10fca815e0459254189
-  Sparkle: ea073ba9c69cee3ebaab8685ba1e732e14d249f7
+  Sparkle: 1fa490bb4ab2a9b37cfb9ea4feec19dd33b81cd2
+  SwiftyBeaver: d39e7c376bf15e9fffca8263b8fd1f42ea56aa2d
  SwiftyMarkdown: 033abc9dad9a37903f81aec5188cade436f40520

-PODFILE CHECKSUM: 78df0a34910c4c031a65ac3b58dc004c21b552d0
+PODFILE CHECKSUM: 6e94a2963d935455790ee55be0ce938834d1bba5

 COCOAPODS: 1.9.1
@@ -0,0 +1,99 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>AvailableLibraries</key>
+	<array>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>tvos-arm64</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>tvos</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_x86_64-maccatalyst</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+			<key>SupportedPlatformVariant</key>
+			<string>maccatalyst</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_i386_x86_64-simulator</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>i386</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+			<key>SupportedPlatformVariant</key>
+			<string>simulator</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>ios-arm64_arm64e_armv7_armv7s</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>arm64e</string>
+				<string>armv7</string>
+				<string>armv7s</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>ios</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>tvos-arm64_x86_64-simulator</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>tvos</string>
+			<key>SupportedPlatformVariant</key>
+			<string>simulator</string>
+		</dict>
+		<dict>
+			<key>LibraryIdentifier</key>
+			<string>macos-arm64_x86_64</string>
+			<key>LibraryPath</key>
+			<string>AppCenter.framework</string>
+			<key>SupportedArchitectures</key>
+			<array>
+				<string>arm64</string>
+				<string>x86_64</string>
+			</array>
+			<key>SupportedPlatform</key>
+			<string>macos</string>
+		</dict>
+	</array>
+	<key>CFBundlePackageType</key>
+	<string>XFWK</string>
+	<key>XCFrameworkFormatVersion</key>
+	<string>1.0</string>
+</dict>
+</plist>
@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAppCenter.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#import <AppCenter/MSACAppCenter.h>
+#import <AppCenter/MSACAppCenterErrors.h>
+#import <AppCenter/MSACChannelGroupProtocol.h>
+#import <AppCenter/MSACChannelProtocol.h>
+#import <AppCenter/MSACConstants+Flags.h>
+#import <AppCenter/MSACConstants.h>
+#import <AppCenter/MSACCustomProperties.h>
+#import <AppCenter/MSACDevice.h>
+#import <AppCenter/MSACEnable.h>
+#import <AppCenter/MSACLog.h>
+#import <AppCenter/MSACLogWithProperties.h>
+#import <AppCenter/MSACLogger.h>
+#import <AppCenter/MSACSerializableObject.h>
+#import <AppCenter/MSACService.h>
+#import <AppCenter/MSACServiceAbstract.h>
+#import <AppCenter/MSACWrapperLogger.h>
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACAbstractLog.h"
+#import "MSACAppCenter.h"
+#import "MSACAppCenterErrors.h"
+#import "MSACChannelGroupProtocol.h"
+#import "MSACChannelProtocol.h"
+#import "MSACConstants+Flags.h"
+#import "MSACConstants.h"
+#import "MSACCustomProperties.h"
+#import "MSACDevice.h"
+#import "MSACEnable.h"
+#import "MSACLog.h"
+#import "MSACLogWithProperties.h"
+#import "MSACLogger.h"
+#import "MSACSerializableObject.h"
+#import "MSACService.h"
+#import "MSACServiceAbstract.h"
+#import "MSACWrapperLogger.h"
+#import "MSACWrapperSdk.h"
+#endif
@@ -1,12 +1,13 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_ABSTRACT_LOG_H
-#define MS_ABSTRACT_LOG_H
+#ifndef MSAC_ABSTRACT_LOG_H
+#define MSAC_ABSTRACT_LOG_H

 #import <Foundation/Foundation.h>

-@interface MSAbstractLog : NSObject
+NS_SWIFT_NAME(AbstractLog)
+@interface MSACAbstractLog : NSObject

@end

@@ -3,18 +3,26 @@

 #import <Foundation/Foundation.h>

-#import "MSConstants.h"
+#ifndef MSAC_APP_CENTER
+#define MSAC_APP_CENTER

-@class MSWrapperSdk;
-
-#if !TARGET_OS_TV
-@class MSCustomProperties;
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
 #endif

-@interface MSAppCenter : NSObject
+@class MSACWrapperSdk;
+
+#if !TARGET_OS_TV
+@class MSACCustomProperties;
+#endif
+
+NS_SWIFT_NAME(AppCenter)
+@interface MSACAppCenter : NSObject

 /**
- * Returns the singleton instance of MSAppCenter.
+ * Returns the singleton instance of MSACAppCenter.
 */
 + (instancetype)sharedInstance;

@@ -25,7 +33,7 @@
 *
 * @discussion This may be called only once per application process lifetime.
 */
-+ (void)configureWithAppSecret:(NSString *)appSecret;
+ (void)configureWithAppSecret:(NSString *)appSecret NS_SWIFT_NAME(configure(withAppSecret:));

 /**
 * Configure the SDK.
@@ -42,7 +50,7 @@
 *
 * @discussion This may be called only once per application process lifetime.
 */
-+ (void)start:(NSString *)appSecret withServices:(NSArray<Class> *)services;
+ (void)start:(NSString *)appSecret withServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(withAppSecret:services:));

 /**
 * Start the SDK with an array of services.
@@ -51,7 +59,7 @@
 *
 * @discussion This may be called only once per application process lifetime.
 */
-+ (void)startWithServices:(NSArray<Class> *)services;
+ (void)startWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(services:));

 /**
 * Start a service.
@@ -68,76 +76,53 @@
 *
 * @param services Array of services to start.
 */
-+ (void)startFromLibraryWithServices:(NSArray<Class> *)services;
+ (void)startFromLibraryWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(startFromLibrary(services:));

 /**
- * Check whether the SDK has already been configured or not.
- *
- * @return YES if configured, NO otherwise.
+ * The flag indicates whether the SDK has already been configured or not.
 */
-+ (BOOL)isConfigured;
+@property(class, atomic, readonly, getter=isConfigured) BOOL configured;

 /**
- * Check whether app is running in App Center Test Cloud.
- *
- * @return true if running in App Center Test Cloud, false otherwise.
+ * The flag indicates whether app is running in App Center Test Cloud.
 */
-+ (BOOL)isRunningInAppCenterTestCloud;
+@property(class, atomic, readonly, getter=isRunningInAppCenterTestCloud) BOOL runningInAppCenterTestCloud;

 /**
- * Change the base URL (schema + authority + port only) used to communicate with the backend.
+ * The flag indicates whether or not the SDK was enabled as a whole
 *
- * @param logUrl Base URL to use for backend communication.
- */
-+ (void)setLogUrl:(NSString *)logUrl;
-
-/**
- * Enable or disable the SDK as a whole. In addition to AppCenter resources, it will also enable or disable all registered services.
 * The state is persisted in the device's storage across application launches.
- *
- * @param isEnabled YES to enable, NO to disable.
- *
- * @see isEnabled
 */
-+ (void)setEnabled:(BOOL)isEnabled;
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);

 /**
- * Check whether the SDK is enabled or not as a whole.
+ * Flag indicating whether SDK can send network requests.
 *
- * @return YES if enabled, NO otherwise.
- *
- * @see setEnabled:
+ * The state is persisted in the device's storage across application launches.
 */
-+ (BOOL)isEnabled;
+@property(class, nonatomic, getter=isNetworkRequestsAllowed, setter=setNetworkRequestsAllowed:)
+    BOOL networkRequestsAllowed NS_SWIFT_NAME(networkRequestsAllowed);

 /**
- * Get log level.
- *
- * @return Log level.
+ * The SDK's log level.
 */
-+ (MSLogLevel)logLevel;
+@property(class, nonatomic) MSACLogLevel logLevel;

 /**
- * Set log level.
- *
- * @param logLevel The log level.
+ * Base URL to use for backend communication.
 */
-+ (void)setLogLevel:(MSLogLevel)logLevel;
+@property(class, nonatomic, strong) NSString *logUrl;

 /**
- * Set log level handler.
- *
- * @param logHandler Handler.
+ * Set log handler.
 */
-+ (void)setLogHandler:(MSLogHandler)logHandler;
+@property(class, nonatomic) MSACLogHandler logHandler;

 /**
 * Set wrapper SDK information to use when building device properties. This is intended in case you are building a SDK that uses the App
 * Center SDK under the hood, e.g. our Xamarin SDK or ReactNative SDk.
- *
- * @param wrapperSdk Wrapper SDK information.
 */
-+ (void)setWrapperSdk:(MSWrapperSdk *)wrapperSdk;
+@property(class, nonatomic, strong) MSACWrapperSdk *wrapperSdk;

 #if !TARGET_OS_TV
 /**
@@ -145,14 +130,12 @@
 *
 * @param customProperties Custom properties object.
 */
-+ (void)setCustomProperties:(MSCustomProperties *)customProperties;
+ (void)setCustomProperties:(MSACCustomProperties *)customProperties;
 #endif

 /**
 * Check whether the application delegate forwarder is enabled or not.
 *
- * @return YES if enabled, NO otherwise.
- *
 * @discussion The application delegate forwarder forwards messages that target your application delegate methods via swizzling to the SDK.
 * It simplifies the SDK integration but may not be suitable to any situations. For
 * instance it should be disabled if you or one of your third party SDK is doing message forwarding on the application delegate. Message
@@ -160,29 +143,26 @@
 * To disable the application delegate forwarder just add the `AppCenterAppDelegateForwarderEnabled` tag to your Info .plist file and set it
 * to `0`. Then you will have to forward any application delegate needed by the SDK manually.
 */
-+ (BOOL)isAppDelegateForwarderEnabled;
+@property(class, readonly, nonatomic, getter=isAppDelegateForwarderEnabled) BOOL appDelegateForwarderEnabled;

 /**
- * Get unique installation identifier.
+ * Unique installation identifier.
 *
- * @return Unique installation identifier.
 */
-+ (NSUUID *)installId;
+@property(class, readonly, nonatomic) NSUUID *installId;

 /**
 * Detect if a debugger is attached to the app process. This is only invoked once on app startup and can not detect
 * if the debugger is being attached during runtime!
 *
- * @return BOOL if the debugger is attached.
 */
-+ (BOOL)isDebuggerAttached;
+@property(class, readonly, nonatomic, getter=isDebuggerAttached) BOOL debuggerAttached;

 /**
- * Get the current version of AppCenter SDK.
+ * Current version of AppCenter SDK.
 *
- * @return The current version of AppCenter SDK.
 */
-+ (NSString *)sdkVersion;
+@property(class, readonly, nonatomic) NSString *sdkVersion;

 /**
 * Set the maximum size of the internal storage. This method must be called before App Center is started. This method is only intended for
@@ -202,22 +182,22 @@
 /**
 * Set the user identifier.
 *
- * @param userId User identifier.
- *
 * @discussion Set the user identifier for logs sent for the default target token when the secret passed in @c
- * MSAppCenter:start:withServices: contains "target={targetToken}".
+ * MSACAppCenter:start:withServices: contains "target={targetToken}".
 *
 * For App Center backend the user identifier maximum length is 256 characters.
 *
 * AppCenter must be configured or started before this API can be used.
 */
-+ (void)setUserId:(NSString *)userId;
+@property(class, nonatomic, strong) NSString *userId;

 /**
 * Set country code to use when building device properties.
 *
- * @param countryCode The two-letter ISO country code. @see https://www.iso.org/obp/ui/#search for more information.
+ * @see https://www.iso.org/obp/ui/#search for more information.
 */
-+ (void)setCountryCode:(NSString *)countryCode;
+@property(class, nonatomic, strong) NSString *countryCode;

@end
+
+#endif
@@ -0,0 +1,41 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_APP_CENTER_ERRORS_H
+#define MSAC_APP_CENTER_ERRORS_H
+
+#import <Foundation/Foundation.h>
+
+#define MSAC_APP_CENTER_BASE_DOMAIN @"com.Microsoft.AppCenter."
+
+NS_ASSUME_NONNULL_BEGIN
+
+#pragma mark - Domain
+
+static NSString *const kMSACACErrorDomain = MSAC_APP_CENTER_BASE_DOMAIN @"ErrorDomain";
+
+#pragma mark - General
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACLogInvalidContainerErrorCode = 1, MSACACCanceledErrorCode = 2, MSACACDisabledErrorCode = 3};
+
+// Error descriptions.
+static NSString const *kMSACACLogInvalidContainerErrorDesc = @"Invalid log container.";
+static NSString const *kMSACACCanceledErrorDesc = @"The operation was canceled.";
+static NSString const *kMSACACDisabledErrorDesc = @"The service is disabled.";
+
+#pragma mark - Connection
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACConnectionPausedErrorCode = 100, MSACACConnectionHttpErrorCode = 101};
+
+// Error descriptions.
+static NSString const *kMSACACConnectionHttpErrorDesc = @"An HTTP error occured.";
+static NSString const *kMSACACConnectionPausedErrorDesc = @"Canceled, connection paused with log deletion.";
+
+// Error user info keys.
+static NSString const *kMSACACConnectionHttpCodeErrorKey = @"MSConnectionHttpCode";
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,87 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CHANNEL_GROUP_PROTOCOL_H
+#define MSAC_CHANNEL_GROUP_PROTOCOL_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACChannelProtocol.h>)
+#import <AppCenter/MSACChannelProtocol.h>
+#else
+#import "MSACChannelProtocol.h"
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class MSACChannelUnitConfiguration;
+
+@protocol MSACIngestionProtocol;
+@protocol MSACChannelUnitProtocol;
+
+/**
+ * `MSACChannelGroupProtocol` represents a kind of channel that contains constituent MSACChannelUnit objects. When an operation from the
+ * `MSACChannelProtocol` is performed on the group, that operation should be propagated to its constituent MSACChannelUnit objects.
+ */
+NS_SWIFT_NAME(ChannelGroupProtocol)
+@protocol MSACChannelGroupProtocol <MSACChannelProtocol>
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+    NS_SWIFT_NAME(addChannelUnit(withConfiguration:));
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ * @param ingestion The alternative ingestion object
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+                                                 withIngestion:(nullable id<MSACIngestionProtocol>)ingestion
+    NS_SWIFT_NAME(addChannelUnit(_:ingestion:));
+
+/**
+ * Change the base URL (schema + authority + port only) used to communicate with the backend.
+ */
+@property(nonatomic, strong) NSString *_Nullable logUrl;
+
+/**
+ * Set the app secret.
+ */
+@property(nonatomic, strong) NSString *_Nullable appSecret;
+
+/**
+ * Set the maximum size of the internal storage. This method must be called before App Center is started.
+ *
+ * @discussion The default maximum database size is 10485760 bytes (10 MiB).
+ *
+ * @param sizeInBytes Maximum size of the internal storage in bytes. This will be rounded up to the nearest multiple of a SQLite page size
+ * (default is 4096 bytes). Values below 24576 bytes (24 KiB) will be ignored.
+ * @param completionHandler Callback that is invoked when the database size has been set. The `BOOL` parameter is `YES` if changing the size
+ * is successful, and `NO` otherwise.
+ */
+- (void)setMaxStorageSize:(long)sizeInBytes
+        completionHandler:(nullable void (^)(BOOL))completionHandler NS_SWIFT_NAME(setMaxStorageSize(_:completionHandler:));
+
+/**
+ * Return a channel unit instance for the given groupId.
+ *
+ * @param groupId The group ID for a channel unit.
+ *
+ * @return A channel unit instance or `nil`.
+ */
+- (nullable id<MSACChannelUnitProtocol>)channelUnitForGroupId:(NSString *)groupId;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -1,36 +1,41 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_CHANNEL_PROTOCOL_H
-#define MS_CHANNEL_PROTOCOL_H
+#ifndef MSAC_CHANNEL_PROTOCOL_H
+#define MSAC_CHANNEL_PROTOCOL_H

 #import <Foundation/Foundation.h>

-#import "MSEnable.h"
+#if __has_include(<AppCenter/MSACEnable.h>)
+#import <AppCenter/MSACEnable.h>
+#else
+#import "MSACEnable.h"
+#endif

 NS_ASSUME_NONNULL_BEGIN

-@protocol MSChannelDelegate;
+@protocol MSACChannelDelegate;

 /**
- * `MSChannelProtocol` contains the essential operations of a channel. Channels are broadly responsible for enqueuing logs to be sent to the
- * backend and/or stored on disk.
+ * `MSACChannelProtocol` contains the essential operations of a channel. Channels are broadly responsible for enqueuing logs to be sent to
+ * the backend and/or stored on disk.
 */
-@protocol MSChannelProtocol <NSObject, MSEnable>
+NS_SWIFT_NAME(ChannelProtocol)
+@protocol MSACChannelProtocol <NSObject, MSACEnable>

 /**
 * Add delegate.
 *
 * @param delegate delegate.
 */
- (void)addDelegate:(id<MSChannelDelegate>)delegate;
+- (void)addDelegate:(id<MSACChannelDelegate>)delegate;

 /**
 * Remove delegate.
 *
 * @param delegate delegate.
 */
- (void)removeDelegate:(id<MSChannelDelegate>)delegate;
+- (void)removeDelegate:(id<MSACChannelDelegate>)delegate;

 /**
 * Pause operations, logs will be stored but not sent.
@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CONSTANTS_FLAGS_H
+#define MSAC_CONSTANTS_FLAGS_H
+
+#import <Foundation/Foundation.h>
+
+typedef NS_OPTIONS(NSUInteger, MSACFlags) {
+  MSACFlagsNone = (0 << 0),     // => 00000000
+  MSACFlagsNormal = (1 << 0),   // => 00000001
+  MSACFlagsCritical = (1 << 1), // => 00000010
+  MSACFlagsPersistenceNormal DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsNormal") = MSACFlagsNormal,
+  MSACFlagsPersistenceCritical DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsCritical") = MSACFlagsCritical,
+  MSACFlagsDefault = MSACFlagsNormal
+} NS_SWIFT_NAME(Flags);
+
+#endif
@@ -0,0 +1,170 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+/**
+ *  Log Levels
+ */
+typedef NS_ENUM(NSUInteger, MSACLogLevel) {
+
+  /**
+   *  Logging will be very chatty
+   */
+  MSACLogLevelVerbose = 2,
+
+  /**
+   *  Debug information will be logged
+   */
+  MSACLogLevelDebug = 3,
+
+  /**
+   *  Information will be logged
+   */
+  MSACLogLevelInfo = 4,
+
+  /**
+   *  Errors and warnings will be logged
+   */
+  MSACLogLevelWarning = 5,
+
+  /**
+   *  Errors will be logged
+   */
+  MSACLogLevelError = 6,
+
+  /**
+   * Only critical errors will be logged
+   */
+  MSACLogLevelAssert = 7,
+
+  /**
+   *  Logging is disabled
+   */
+  MSACLogLevelNone = 99
+} NS_SWIFT_NAME(LogLevel);
+
+typedef NSString * (^MSACLogMessageProvider)(void)NS_SWIFT_NAME(LogMessageProvider);
+typedef void (^MSACLogHandler)(MSACLogMessageProvider messageProvider, MSACLogLevel logLevel, NSString *tag, const char *file,
+                               const char *function, uint line) NS_SWIFT_NAME(LogHandler);
+
+/**
+ * Channel priorities, check the kMSACPriorityCount if you add a new value.
+ * The order matters here! Values NEED to range from low priority to high priority.
+ */
+typedef NS_ENUM(NSInteger, MSACPriority) { MSACPriorityBackground, MSACPriorityDefault, MSACPriorityHigh } NS_SWIFT_NAME(Priority);
+static short const kMSACPriorityCount = MSACPriorityHigh + 1;
+
+/**
+ * The priority by which the modules are initialized.
+ * MSACPriorityMax is reserved for only 1 module and this needs to be Crashes.
+ * Crashes needs to be initialized first to catch crashes in our other SDK Modules (which will hopefully never happen) and to avoid losing
+ * any log at crash time.
+ */
+typedef NS_ENUM(NSInteger, MSACInitializationPriority) {
+  MSACInitializationPriorityDefault = 500,
+  MSACInitializationPriorityHigh = 750,
+  MSACInitializationPriorityMax = 999
+} NS_SWIFT_NAME(InitializationPriority);
+
+/**
+ * Enum with the different HTTP status codes.
+ */
+typedef NS_ENUM(NSInteger, MSACHTTPCodesNo) {
+
+  // Invalid
+  MSACHTTPCodesNo0XXInvalidUnknown = 0,
+
+  // Informational
+  MSACHTTPCodesNo1XXInformationalUnknown = 1,
+  MSACHTTPCodesNo100Continue = 100,
+  MSACHTTPCodesNo101SwitchingProtocols = 101,
+  MSACHTTPCodesNo102Processing = 102,
+
+  // Success
+  MSACHTTPCodesNo2XXSuccessUnknown = 2,
+  MSACHTTPCodesNo200OK = 200,
+  MSACHTTPCodesNo201Created = 201,
+  MSACHTTPCodesNo202Accepted = 202,
+  MSACHTTPCodesNo203NonAuthoritativeInformation = 203,
+  MSACHTTPCodesNo204NoContent = 204,
+  MSACHTTPCodesNo205ResetContent = 205,
+  MSACHTTPCodesNo206PartialContent = 206,
+  MSACHTTPCodesNo207MultiStatus = 207,
+  MSACHTTPCodesNo208AlreadyReported = 208,
+  MSACHTTPCodesNo209IMUsed = 209,
+
+  // Redirection
+  MSACHTTPCodesNo3XXSuccessUnknown = 3,
+  MSACHTTPCodesNo300MultipleChoices = 300,
+  MSACHTTPCodesNo301MovedPermanently = 301,
+  MSACHTTPCodesNo302Found = 302,
+  MSACHTTPCodesNo303SeeOther = 303,
+  MSACHTTPCodesNo304NotModified = 304,
+  MSACHTTPCodesNo305UseProxy = 305,
+  MSACHTTPCodesNo306SwitchProxy = 306,
+  MSACHTTPCodesNo307TemporaryRedirect = 307,
+  MSACHTTPCodesNo308PermanentRedirect = 308,
+
+  // Client error
+  MSACHTTPCodesNo4XXSuccessUnknown = 4,
+  MSACHTTPCodesNo400BadRequest = 400,
+  MSACHTTPCodesNo401Unauthorised = 401,
+  MSACHTTPCodesNo402PaymentRequired = 402,
+  MSACHTTPCodesNo403Forbidden = 403,
+  MSACHTTPCodesNo404NotFound = 404,
+  MSACHTTPCodesNo405MethodNotAllowed = 405,
+  MSACHTTPCodesNo406NotAcceptable = 406,
+  MSACHTTPCodesNo407ProxyAuthenticationRequired = 407,
+  MSACHTTPCodesNo408RequestTimeout = 408,
+  MSACHTTPCodesNo409Conflict = 409,
+  MSACHTTPCodesNo410Gone = 410,
+  MSACHTTPCodesNo411LengthRequired = 411,
+  MSACHTTPCodesNo412PreconditionFailed = 412,
+  MSACHTTPCodesNo413RequestEntityTooLarge = 413,
+  MSACHTTPCodesNo414RequestURITooLong = 414,
+  MSACHTTPCodesNo415UnsupportedMediaType = 415,
+  MSACHTTPCodesNo416RequestedRangeNotSatisfiable = 416,
+  MSACHTTPCodesNo417ExpectationFailed = 417,
+  MSACHTTPCodesNo418IamATeapot = 418,
+  MSACHTTPCodesNo419AuthenticationTimeout = 419,
+  MSACHTTPCodesNo420MethodFailureSpringFramework = 420,
+  MSACHTTPCodesNo420EnhanceYourCalmTwitter = 4200,
+  MSACHTTPCodesNo422UnprocessableEntity = 422,
+  MSACHTTPCodesNo423Locked = 423,
+  MSACHTTPCodesNo424FailedDependency = 424,
+  MSACHTTPCodesNo424MethodFailureWebDaw = 4240,
+  MSACHTTPCodesNo425UnorderedCollection = 425,
+  MSACHTTPCodesNo426UpgradeRequired = 426,
+  MSACHTTPCodesNo428PreconditionRequired = 428,
+  MSACHTTPCodesNo429TooManyRequests = 429,
+  MSACHTTPCodesNo431RequestHeaderFieldsTooLarge = 431,
+  MSACHTTPCodesNo444NoResponseNginx = 444,
+  MSACHTTPCodesNo449RetryWithMicrosoft = 449,
+  MSACHTTPCodesNo450BlockedByWindowsParentalControls = 450,
+  MSACHTTPCodesNo451RedirectMicrosoft = 451,
+  MSACHTTPCodesNo451UnavailableForLegalReasons = 4510,
+  MSACHTTPCodesNo494RequestHeaderTooLargeNginx = 494,
+  MSACHTTPCodesNo495CertErrorNginx = 495,
+  MSACHTTPCodesNo496NoCertNginx = 496,
+  MSACHTTPCodesNo497HTTPToHTTPSNginx = 497,
+  MSACHTTPCodesNo499ClientClosedRequestNginx = 499,
+
+  // Server error
+  MSACHTTPCodesNo5XXSuccessUnknown = 5,
+  MSACHTTPCodesNo500InternalServerError = 500,
+  MSACHTTPCodesNo501NotImplemented = 501,
+  MSACHTTPCodesNo502BadGateway = 502,
+  MSACHTTPCodesNo503ServiceUnavailable = 503,
+  MSACHTTPCodesNo504GatewayTimeout = 504,
+  MSACHTTPCodesNo505HTTPVersionNotSupported = 505,
+  MSACHTTPCodesNo506VariantAlsoNegotiates = 506,
+  MSACHTTPCodesNo507InsufficientStorage = 507,
+  MSACHTTPCodesNo508LoopDetected = 508,
+  MSACHTTPCodesNo509BandwidthLimitExceeded = 509,
+  MSACHTTPCodesNo510NotExtended = 510,
+  MSACHTTPCodesNo511NetworkAuthenticationRequired = 511,
+  MSACHTTPCodesNo522ConnectionTimedOut = 522,
+  MSACHTTPCodesNo598NetworkReadTimeoutErrorUnknown = 598,
+  MSACHTTPCodesNo599NetworkConnectTimeoutErrorUnknown = 599
+} NS_SWIFT_NAME(HTTPCodesNo);
@@ -1,8 +1,8 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_CUSTOM_PROPERTIES_H
-#define MS_CUSTOM_PROPERTIES_H
+#ifndef MSAC_CUSTOM_PROPERTIES_H
+#define MSAC_CUSTOM_PROPERTIES_H

 #import <Foundation/Foundation.h>

@@ -10,7 +10,8 @@
 * Custom properties builder.
 * Collects multiple properties to send in one log.
 */
-@interface MSCustomProperties : NSObject
+NS_SWIFT_NAME(CustomProperties)
+@interface MSACCustomProperties : NSObject

 /**
 * Set the specified property value with the specified key.
@@ -21,7 +22,7 @@
 *
 * @return This instance.
 */
- (instancetype)setString:(NSString *)value forKey:(NSString *)key;
+- (instancetype)setString:(NSString *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));

 /**
 * Set the specified property value with the specified key.
@@ -32,7 +33,7 @@
 *
 * @return This instance.
 */
- (instancetype)setNumber:(NSNumber *)value forKey:(NSString *)key;
+- (instancetype)setNumber:(NSNumber *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));

 /**
 * Set the specified property value with the specified key.
@@ -43,7 +44,7 @@
 *
 * @return This instance.
 */
- (instancetype)setBool:(BOOL)value forKey:(NSString *)key;
+- (instancetype)setBool:(BOOL)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));

 /**
 * Set the specified property value with the specified key.
@@ -54,7 +55,7 @@
 *
 * @return This instance.
 */
- (instancetype)setDate:(NSDate *)value forKey:(NSString *)key;
+- (instancetype)setDate:(NSDate *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));

 /**
 * Clear the property for the specified key.
@@ -63,7 +64,7 @@
 *
 * @return This instance.
 */
- (instancetype)clearPropertyForKey:(NSString *)key;
+- (instancetype)clearPropertyForKey:(NSString *)key NS_SWIFT_NAME(clearProperty(forKey:));

@end

@@ -1,14 +1,19 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_DEVICE_H
-#define MS_DEVICE_H
+#ifndef MSAC_DEVICE_H
+#define MSAC_DEVICE_H

 #import <Foundation/Foundation.h>

-#import "MSWrapperSdk.h"
+#if __has_include(<AppCenter/MSACWrapperSdk.h>)
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACWrapperSdk.h"
+#endif

-@interface MSDevice : MSWrapperSdk
+NS_SWIFT_NAME(Device)
+@interface MSACDevice : MSACWrapperSdk

 /*
 * Name of the SDK. Consists of the name of the SDK and the platform, e.g. "appcenter.ios", "appcenter.android"
@@ -1,15 +1,16 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_ENABLE_H
-#define MS_ENABLE_H
+#ifndef MSAC_ENABLE_H
+#define MSAC_ENABLE_H

 #import <Foundation/Foundation.h>

 /**
 * Protocol to define an instance that can be enabled/disabled.
 */
-@protocol MSEnable <NSObject>
+NS_SWIFT_NAME(Enable)
+@protocol MSACEnable <NSObject>

@required

@@ -19,7 +20,7 @@
 * @param isEnabled  A boolean value set to YES to enable the instance or NO to disable it.
 * @param deleteData A boolean value set to YES to delete data or NO to keep it.
 */
- (void)setEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deleteData;
+- (void)setEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deleteData NS_SWIFT_NAME(setEnabled(_:deleteDataOnDisabled:));

@end

@@ -1,14 +1,15 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_LOG_H
-#define MS_LOG_H
+#ifndef MSAC_LOG_H
+#define MSAC_LOG_H

 #import <Foundation/Foundation.h>

-@class MSDevice;
+@class MSACDevice;

-@protocol MSLog <NSObject>
+NS_SWIFT_NAME(Log)
+@protocol MSACLog <NSObject>

 /**
 * Log type.
@@ -39,7 +40,7 @@
 /**
 * Device properties associated to this log.
 */
-@property(nonatomic, strong) MSDevice *device;
+@property(nonatomic, strong) MSACDevice *device;

 /**
 * Transient object tag. For example, a log can be tagged with a transmission target. We do this currently to prevent properties being
@@ -1,14 +1,19 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_LOG_WITH_PROPERTIES_H
-#define MS_LOG_WITH_PROPERTIES_H
+#ifndef MSAC_LOG_WITH_PROPERTIES_H
+#define MSAC_LOG_WITH_PROPERTIES_H

 #import <Foundation/Foundation.h>

-#import "MSAbstractLog.h"
+#if __has_include(<AppCenter/MSACAbstractLog.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#else
+#import "MSACAbstractLog.h"
+#endif

-@interface MSLogWithProperties : MSAbstractLog
+NS_SWIFT_NAME(LogWithProperties)
+@interface MSACLogWithProperties : MSACAbstractLog

 /**
 * Additional key/value pair parameters. [optional]
@@ -0,0 +1,54 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef MSAC_LOGGER
+#define MSAC_LOGGER
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+#define MSACLog(_level, _tag, _message)                                                                                                    \
+  [MSACLogger logMessage:_message level:_level tag:_tag file:__FILE__ function:__PRETTY_FUNCTION__ line:__LINE__]
+#define MSACLogAssert(tag, format, ...)                                                                                                    \
+  MSACLog(MSACLogLevelAssert, tag, (^{                                                                                                     \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogError(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelError, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogWarning(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelWarning, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogInfo(tag, format, ...)                                                                                                      \
+  MSACLog(MSACLogLevelInfo, tag, (^{                                                                                                       \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogDebug(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelDebug, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogVerbose(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelVerbose, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+
+NS_SWIFT_NAME(Logger)
+@interface MSACLogger : NSObject
+
+ (void)logMessage:(MSACLogMessageProvider)messageProvider
+             level:(MSACLogLevel)loglevel
+               tag:(NSString *)tag
+              file:(const char *)file
+          function:(const char *)function
+              line:(uint)line;
+
+@end
+
+#endif
@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef SERIALIZABLE_OBJECT_H
+#define SERIALIZABLE_OBJECT_H
+
+@protocol MSACSerializableObject <NSCoding>
+
+/**
+ * Serialize this object to a dictionary.
+ *
+ * @return A dictionary representing this object.
+ */
+- (NSMutableDictionary *)serializeToDictionary;
+
+@end
+#endif
@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_SERVICE_H
+#define MSAC_SERVICE_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Protocol declaring service logic.
+ */
+NS_SWIFT_NAME(Service)
+@protocol MSACService <NSObject>
+
+/**
+ * Indicates whether this service is enabled.
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);
+
+@end
+
+#endif
@@ -1,20 +1,25 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_SERVICE_ABSTRACT_H
-#define MS_SERVICE_ABSTRACT_H
+#ifndef MSAC_SERVICE_ABSTRACT_H
+#define MSAC_SERVICE_ABSTRACT_H

 #import <Foundation/Foundation.h>

-#import "MSService.h"
+#if __has_include(<AppCenter/MSACService.h>)
+#import <AppCenter/MSACService.h>
+#else
+#import "MSACService.h"
+#endif

-@protocol MSChannelGroupProtocol;
+@protocol MSACChannelGroupProtocol;

 /**
 * Abstraction of services common logic.
 * This class is intended to be subclassed only not instantiated directly.
 */
-@interface MSServiceAbstract : NSObject <MSService>
+NS_SWIFT_NAME(ServiceAbstract)
+@interface MSACServiceAbstract : NSObject <MSACService>

 /**
 * The flag indicates whether the service is started from application or not.
@@ -29,7 +34,7 @@
 * @param token default transmission target token for this service.
 * @param fromApplication indicates whether the service started from an application or not.
 */
- (void)startWithChannelGroup:(id<MSChannelGroupProtocol>)channelGroup
+- (void)startWithChannelGroup:(id<MSACChannelGroupProtocol>)channelGroup
                    appSecret:(NSString *)appSecret
      transmissionTargetToken:(NSString *)token
              fromApplication:(BOOL)fromApplication;
@@ -44,11 +49,9 @@
 - (void)updateConfigurationWithAppSecret:(NSString *)appSecret transmissionTargetToken:(NSString *)token;

 /**
- * Checks if the service needs the application secret.
- *
- * @return `YES` if the application secret is required, `NO` otherwise.
+ * The flag indicate whether the service needs the application secret or not.
 */
- (BOOL)isAppSecretRequired;
+@property(atomic, readonly) BOOL isAppSecretRequired;

@end

@@ -3,14 +3,19 @@

 #import <Foundation/Foundation.h>

-#import "MSConstants.h"
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif

 /**
 * This is a utility for producing App Center style log messages. It is only intended for use by App Center services and wrapper SDKs of App
 * Center.
 */
-@interface MSWrapperLogger : NSObject
+NS_SWIFT_NAME(WrapperLogger)
+@interface MSACWrapperLogger : NSObject

-+ (void)MSWrapperLog:(MSLogMessageProvider)message tag:(NSString *)tag level:(MSLogLevel)level;
+ (void)MSACWrapperLog:(MSACLogMessageProvider)message tag:(NSString *)tag level:(MSACLogLevel)level;

@end
@@ -1,12 +1,13 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_WRAPPER_SDK_H
-#define MS_WRAPPER_SDK_H
+#ifndef MSAC_WRAPPER_SDK_H
+#define MSAC_WRAPPER_SDK_H

 #import <Foundation/Foundation.h>

-@interface MSWrapperSdk : NSObject
+NS_SWIFT_NAME(WrapperSdk)
+@interface MSACWrapperSdk : NSObject

 /*
 * Version of the wrapper SDK. When the SDK is embedding another base SDK (for example Xamarin.Android wraps Android), the Xamarin specific
@@ -0,0 +1,13 @@
+framework module AppCenter {
+  umbrella header "AppCenter.h"
+  
+  export *
+  module * { export * }
+  
+  link framework "Foundation"
+  link framework "CoreTelephony"
+  link framework "SystemConfiguration"
+  link framework "UIKit"
+  link "sqlite3"
+  link "z"
+}
@@ -3,14 +3,16 @@

 #import <Foundation/Foundation.h>

-#import "MSConstants+Flags.h"
+#import "MSACConstants+Flags.h"

-@protocol MSChannelUnitProtocol;
-@protocol MSChannelGroupProtocol;
-@protocol MSChannelProtocol;
-@protocol MSLog;
+@protocol MSACChannelUnitProtocol;
+@protocol MSACChannelGroupProtocol;
+@protocol MSACChannelProtocol;
+@protocol MSACLog;

-@protocol MSChannelDelegate <NSObject>
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MSACChannelDelegate <NSObject>

@optional

@@ -20,14 +22,14 @@
 * @param channelGroup The channel group.
 * @param channel The newly added channel.
 */
- (void)channelGroup:(id<MSChannelGroupProtocol>)channelGroup didAddChannelUnit:(id<MSChannelUnitProtocol>)channel;
+- (void)channelGroup:(id<MSACChannelGroupProtocol>)channelGroup didAddChannelUnit:(id<MSACChannelUnitProtocol>)channel;

 /**
 * A callback that is called when a log is just enqueued. Delegates may want to prepare the log a little more before further processing.
 *
 * @param log The log to prepare.
 */
- (void)channel:(id<MSChannelProtocol>)channel prepareLog:(id<MSLog>)log;
+- (void)channel:(id<MSACChannelProtocol>)channel prepareLog:(id<MSACLog>)log;

 /**
 * A callback that is called after a log is definitely prepared.
@@ -36,7 +38,7 @@
 * @param internalId An internal Id to keep track of logs.
 * @param flags Options for the log.
 */
- (void)channel:(id<MSChannelProtocol>)channel didPrepareLog:(id<MSLog>)log internalId:(NSString *)internalId flags:(MSFlags)flags;
+- (void)channel:(id<MSACChannelProtocol>)channel didPrepareLog:(id<MSACLog>)log internalId:(NSString *)internalId flags:(MSACFlags)flags;

 /**
 * A callback that is called after a log completed the enqueueing process whether it was successful or not.
@@ -44,7 +46,7 @@
 * @param log The log.
 * @param internalId An internal Id to keep track of logs.
 */
- (void)channel:(id<MSChannelProtocol>)channel didCompleteEnqueueingLog:(id<MSLog>)log internalId:(NSString *)internalId;
+- (void)channel:(id<MSACChannelProtocol>)channel didCompleteEnqueueingLog:(id<MSACLog>)log internalId:(NSString *)internalId;

 /**
 * Callback method that will be called before each log will be send to the server.
@@ -52,7 +54,7 @@
 * @param channel The channel object.
 * @param log The log to be sent.
 */
- (void)channel:(id<MSChannelProtocol>)channel willSendLog:(id<MSLog>)log;
+- (void)channel:(id<MSACChannelProtocol>)channel willSendLog:(id<MSACLog>)log;

 /**
 * Callback method that will be called in case the SDK was able to send a log.
@@ -60,7 +62,7 @@
 * @param channel The channel object.
 * @param log The log to be sent.
 */
- (void)channel:(id<MSChannelProtocol>)channel didSucceedSendingLog:(id<MSLog>)log;
+- (void)channel:(id<MSACChannelProtocol>)channel didSucceedSendingLog:(id<MSACLog>)log;

 /**
 * Callback method that will be called in case the SDK was unable to send a log.
@@ -69,7 +71,7 @@
 * @param log The log to be sent.
 * @param error The error that occured.
 */
- (void)channel:(id<MSChannelProtocol>)channel didFailSendingLog:(id<MSLog>)log withError:(NSError *)error;
+- (void)channel:(id<MSACChannelProtocol>)channel didFailSendingLog:(id<MSACLog>)log withError:(nullable NSError *)error;

 /**
 * A callback that is called when setEnabled has been invoked.
@@ -78,7 +80,7 @@
 * @param isEnabled The boolean that indicates enabled.
 * @param deletedData The boolean that indicates deleting data on disabled.
 */
- (void)channel:(id<MSChannelProtocol>)channel didSetEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deletedData;
+- (void)channel:(id<MSACChannelProtocol>)channel didSetEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deletedData;

 /**
 * A callback that is called when pause has been invoked.
@@ -86,7 +88,7 @@
 * @param channel The channel.
 * @param identifyingObject The identifying object used to pause the channel.
 */
- (void)channel:(id<MSChannelProtocol>)channel didPauseWithIdentifyingObject:(id<NSObject>)identifyingObject;
+- (void)channel:(id<MSACChannelProtocol>)channel didPauseWithIdentifyingObject:(id<NSObject>)identifyingObject;

 /**
 * A callback that is called when resume has been invoked.
@@ -94,7 +96,7 @@
 * @param channel The channel.
 * @param identifyingObject The identifying object used to resume the channel.
 */
- (void)channel:(id<MSChannelProtocol>)channel didResumeWithIdentifyingObject:(id<NSObject>)identifyingObject;
+- (void)channel:(id<MSACChannelProtocol>)channel didResumeWithIdentifyingObject:(id<NSObject>)identifyingObject;

 /**
 * Callback method that will determine if a log should be filtered out from the usual processing pipeline. If any delegate returns true, the
@@ -105,6 +107,8 @@
 *
 * @return `true` if the log should be filtered out.
 */
- (BOOL)channelUnit:(id<MSChannelUnitProtocol>)channelUnit shouldFilterLog:(id<MSLog>)log;
+- (BOOL)channelUnit:(id<MSACChannelUnitProtocol>)channelUnit shouldFilterLog:(id<MSACLog>)log;

@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAppCenter.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#import <AppCenter/MSACAppCenter.h>
+#import <AppCenter/MSACAppCenterErrors.h>
+#import <AppCenter/MSACChannelGroupProtocol.h>
+#import <AppCenter/MSACChannelProtocol.h>
+#import <AppCenter/MSACConstants+Flags.h>
+#import <AppCenter/MSACConstants.h>
+#import <AppCenter/MSACCustomProperties.h>
+#import <AppCenter/MSACDevice.h>
+#import <AppCenter/MSACEnable.h>
+#import <AppCenter/MSACLog.h>
+#import <AppCenter/MSACLogWithProperties.h>
+#import <AppCenter/MSACLogger.h>
+#import <AppCenter/MSACSerializableObject.h>
+#import <AppCenter/MSACService.h>
+#import <AppCenter/MSACServiceAbstract.h>
+#import <AppCenter/MSACWrapperLogger.h>
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACAbstractLog.h"
+#import "MSACAppCenter.h"
+#import "MSACAppCenterErrors.h"
+#import "MSACChannelGroupProtocol.h"
+#import "MSACChannelProtocol.h"
+#import "MSACConstants+Flags.h"
+#import "MSACConstants.h"
+#import "MSACCustomProperties.h"
+#import "MSACDevice.h"
+#import "MSACEnable.h"
+#import "MSACLog.h"
+#import "MSACLogWithProperties.h"
+#import "MSACLogger.h"
+#import "MSACSerializableObject.h"
+#import "MSACService.h"
+#import "MSACServiceAbstract.h"
+#import "MSACWrapperLogger.h"
+#import "MSACWrapperSdk.h"
+#endif
@@ -1,12 +1,13 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_ABSTRACT_LOG_H
-#define MS_ABSTRACT_LOG_H
+#ifndef MSAC_ABSTRACT_LOG_H
+#define MSAC_ABSTRACT_LOG_H

 #import <Foundation/Foundation.h>

-@interface MSAbstractLog : NSObject
+NS_SWIFT_NAME(AbstractLog)
+@interface MSACAbstractLog : NSObject

@end

@@ -0,0 +1,203 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef MSAC_APP_CENTER
+#define MSAC_APP_CENTER
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+@class MSACWrapperSdk;
+
+#if !TARGET_OS_TV
+@class MSACCustomProperties;
+#endif
+
+NS_SWIFT_NAME(AppCenter)
+@interface MSACAppCenter : NSObject
+
+/**
+ * Returns the singleton instance of MSACAppCenter.
+ */
+ (instancetype)sharedInstance;
+
+/**
+ * Configure the SDK with an application secret.
+ *
+ * @param appSecret A unique and secret key used to identify the application.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)configureWithAppSecret:(NSString *)appSecret NS_SWIFT_NAME(configure(withAppSecret:));
+
+/**
+ * Configure the SDK.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)configure;
+
+/**
+ * Configure the SDK with an application secret and an array of services to start.
+ *
+ * @param appSecret A unique and secret key used to identify the application.
+ * @param services  Array of services to start.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)start:(NSString *)appSecret withServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(withAppSecret:services:));
+
+/**
+ * Start the SDK with an array of services.
+ *
+ * @param services  Array of services to start.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)startWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(services:));
+
+/**
+ * Start a service.
+ *
+ * @param service  A service to start.
+ *
+ * @discussion This may be called only once per service per application process lifetime.
+ */
+ (void)startService:(Class)service;
+
+/**
+ * Configure the SDK with an array of services to start from a library. This will not start the service at application level, it will enable
+ * the service only for the library.
+ *
+ * @param services Array of services to start.
+ */
+ (void)startFromLibraryWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(startFromLibrary(services:));
+
+/**
+ * The flag indicates whether the SDK has already been configured or not.
+ */
+@property(class, atomic, readonly, getter=isConfigured) BOOL configured;
+
+/**
+ * The flag indicates whether app is running in App Center Test Cloud.
+ */
+@property(class, atomic, readonly, getter=isRunningInAppCenterTestCloud) BOOL runningInAppCenterTestCloud;
+
+/**
+ * The flag indicates whether or not the SDK was enabled as a whole
+ *
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);
+
+/**
+ * Flag indicating whether SDK can send network requests.
+ *
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isNetworkRequestsAllowed, setter=setNetworkRequestsAllowed:)
+    BOOL networkRequestsAllowed NS_SWIFT_NAME(networkRequestsAllowed);
+
+/**
+ * The SDK's log level.
+ */
+@property(class, nonatomic) MSACLogLevel logLevel;
+
+/**
+ * Base URL to use for backend communication.
+ */
+@property(class, nonatomic, strong) NSString *logUrl;
+
+/**
+ * Set log handler.
+ */
+@property(class, nonatomic) MSACLogHandler logHandler;
+
+/**
+ * Set wrapper SDK information to use when building device properties. This is intended in case you are building a SDK that uses the App
+ * Center SDK under the hood, e.g. our Xamarin SDK or ReactNative SDk.
+ */
+@property(class, nonatomic, strong) MSACWrapperSdk *wrapperSdk;
+
+#if !TARGET_OS_TV
+/**
+ * Set the custom properties.
+ *
+ * @param customProperties Custom properties object.
+ */
+ (void)setCustomProperties:(MSACCustomProperties *)customProperties;
+#endif
+
+/**
+ * Check whether the application delegate forwarder is enabled or not.
+ *
+ * @discussion The application delegate forwarder forwards messages that target your application delegate methods via swizzling to the SDK.
+ * It simplifies the SDK integration but may not be suitable to any situations. For
+ * instance it should be disabled if you or one of your third party SDK is doing message forwarding on the application delegate. Message
+ * forwarding usually implies the implementation of @see NSObject#forwardingTargetForSelector: or @see NSObject#forwardInvocation: methods.
+ * To disable the application delegate forwarder just add the `AppCenterAppDelegateForwarderEnabled` tag to your Info .plist file and set it
+ * to `0`. Then you will have to forward any application delegate needed by the SDK manually.
+ */
+@property(class, readonly, nonatomic, getter=isAppDelegateForwarderEnabled) BOOL appDelegateForwarderEnabled;
+
+/**
+ * Unique installation identifier.
+ *
+ */
+@property(class, readonly, nonatomic) NSUUID *installId;
+
+/**
+ * Detect if a debugger is attached to the app process. This is only invoked once on app startup and can not detect
+ * if the debugger is being attached during runtime!
+ *
+ */
+@property(class, readonly, nonatomic, getter=isDebuggerAttached) BOOL debuggerAttached;
+
+/**
+ * Current version of AppCenter SDK.
+ *
+ */
+@property(class, readonly, nonatomic) NSString *sdkVersion;
+
+/**
+ * Set the maximum size of the internal storage. This method must be called before App Center is started. This method is only intended for
+ * applications.
+ *
+ * @param sizeInBytes Maximum size of the internal storage in bytes. This will be rounded up to the nearest multiple of a SQLite page size
+ * (default is 4096 bytes). Values below 20,480 bytes (20 KiB) will be ignored.
+ *
+ * @param completionHandler Callback that is invoked when the database size has been set. The `BOOL` parameter is `YES` if changing the size
+ * is successful, and `NO` otherwise. This parameter can be null.
+ *
+ * @discussion This only sets the maximum size of the database, but App Center modules might store additional data.
+ * The value passed to this method is not persisted on disk. The default maximum database size is 10485760 bytes (10 MiB).
+ */
+ (void)setMaxStorageSize:(long)sizeInBytes completionHandler:(void (^)(BOOL))completionHandler;
+
+/**
+ * Set the user identifier.
+ *
+ * @discussion Set the user identifier for logs sent for the default target token when the secret passed in @c
+ * MSACAppCenter:start:withServices: contains "target={targetToken}".
+ *
+ * For App Center backend the user identifier maximum length is 256 characters.
+ *
+ * AppCenter must be configured or started before this API can be used.
+ */
+@property(class, nonatomic, strong) NSString *userId;
+
+/**
+ * Set country code to use when building device properties.
+ *
+ * @see https://www.iso.org/obp/ui/#search for more information.
+ */
+@property(class, nonatomic, strong) NSString *countryCode;
+
+@end
+
+#endif
@@ -0,0 +1,41 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_APP_CENTER_ERRORS_H
+#define MSAC_APP_CENTER_ERRORS_H
+
+#import <Foundation/Foundation.h>
+
+#define MSAC_APP_CENTER_BASE_DOMAIN @"com.Microsoft.AppCenter."
+
+NS_ASSUME_NONNULL_BEGIN
+
+#pragma mark - Domain
+
+static NSString *const kMSACACErrorDomain = MSAC_APP_CENTER_BASE_DOMAIN @"ErrorDomain";
+
+#pragma mark - General
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACLogInvalidContainerErrorCode = 1, MSACACCanceledErrorCode = 2, MSACACDisabledErrorCode = 3};
+
+// Error descriptions.
+static NSString const *kMSACACLogInvalidContainerErrorDesc = @"Invalid log container.";
+static NSString const *kMSACACCanceledErrorDesc = @"The operation was canceled.";
+static NSString const *kMSACACDisabledErrorDesc = @"The service is disabled.";
+
+#pragma mark - Connection
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACConnectionPausedErrorCode = 100, MSACACConnectionHttpErrorCode = 101};
+
+// Error descriptions.
+static NSString const *kMSACACConnectionHttpErrorDesc = @"An HTTP error occured.";
+static NSString const *kMSACACConnectionPausedErrorDesc = @"Canceled, connection paused with log deletion.";
+
+// Error user info keys.
+static NSString const *kMSACACConnectionHttpCodeErrorKey = @"MSConnectionHttpCode";
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,87 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CHANNEL_GROUP_PROTOCOL_H
+#define MSAC_CHANNEL_GROUP_PROTOCOL_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACChannelProtocol.h>)
+#import <AppCenter/MSACChannelProtocol.h>
+#else
+#import "MSACChannelProtocol.h"
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class MSACChannelUnitConfiguration;
+
+@protocol MSACIngestionProtocol;
+@protocol MSACChannelUnitProtocol;
+
+/**
+ * `MSACChannelGroupProtocol` represents a kind of channel that contains constituent MSACChannelUnit objects. When an operation from the
+ * `MSACChannelProtocol` is performed on the group, that operation should be propagated to its constituent MSACChannelUnit objects.
+ */
+NS_SWIFT_NAME(ChannelGroupProtocol)
+@protocol MSACChannelGroupProtocol <MSACChannelProtocol>
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+    NS_SWIFT_NAME(addChannelUnit(withConfiguration:));
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ * @param ingestion The alternative ingestion object
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+                                                 withIngestion:(nullable id<MSACIngestionProtocol>)ingestion
+    NS_SWIFT_NAME(addChannelUnit(_:ingestion:));
+
+/**
+ * Change the base URL (schema + authority + port only) used to communicate with the backend.
+ */
+@property(nonatomic, strong) NSString *_Nullable logUrl;
+
+/**
+ * Set the app secret.
+ */
+@property(nonatomic, strong) NSString *_Nullable appSecret;
+
+/**
+ * Set the maximum size of the internal storage. This method must be called before App Center is started.
+ *
+ * @discussion The default maximum database size is 10485760 bytes (10 MiB).
+ *
+ * @param sizeInBytes Maximum size of the internal storage in bytes. This will be rounded up to the nearest multiple of a SQLite page size
+ * (default is 4096 bytes). Values below 24576 bytes (24 KiB) will be ignored.
+ * @param completionHandler Callback that is invoked when the database size has been set. The `BOOL` parameter is `YES` if changing the size
+ * is successful, and `NO` otherwise.
+ */
+- (void)setMaxStorageSize:(long)sizeInBytes
+        completionHandler:(nullable void (^)(BOOL))completionHandler NS_SWIFT_NAME(setMaxStorageSize(_:completionHandler:));
+
+/**
+ * Return a channel unit instance for the given groupId.
+ *
+ * @param groupId The group ID for a channel unit.
+ *
+ * @return A channel unit instance or `nil`.
+ */
+- (nullable id<MSACChannelUnitProtocol>)channelUnitForGroupId:(NSString *)groupId;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,68 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CHANNEL_PROTOCOL_H
+#define MSAC_CHANNEL_PROTOCOL_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACEnable.h>)
+#import <AppCenter/MSACEnable.h>
+#else
+#import "MSACEnable.h"
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MSACChannelDelegate;
+
+/**
+ * `MSACChannelProtocol` contains the essential operations of a channel. Channels are broadly responsible for enqueuing logs to be sent to
+ * the backend and/or stored on disk.
+ */
+NS_SWIFT_NAME(ChannelProtocol)
+@protocol MSACChannelProtocol <NSObject, MSACEnable>
+
+/**
+ * Add delegate.
+ *
+ * @param delegate delegate.
+ */
+- (void)addDelegate:(id<MSACChannelDelegate>)delegate;
+
+/**
+ * Remove delegate.
+ *
+ * @param delegate delegate.
+ */
+- (void)removeDelegate:(id<MSACChannelDelegate>)delegate;
+
+/**
+ * Pause operations, logs will be stored but not sent.
+ *
+ * @param identifyingObject Object used to identify the pause request.
+ *
+ * @discussion A paused channel doesn't forward logs to the ingestion. The identifying object used to pause the channel can be any unique
+ * object. The same identifying object must be used to call resume. For simplicity if the caller is the one owning the channel then @c self
+ * can be used as identifying object.
+ *
+ * @see resumeWithIdentifyingObject:
+ */
+- (void)pauseWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * Resume operations, logs can be sent again.
+ *
+ * @param identifyingObject Object used to passed to the pause method.
+ *
+ * @discussion The channel only resume when all the outstanding identifying objects have been resumed.
+ *
+ * @see pauseWithIdentifyingObject:
+ */
+- (void)resumeWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CONSTANTS_FLAGS_H
+#define MSAC_CONSTANTS_FLAGS_H
+
+#import <Foundation/Foundation.h>
+
+typedef NS_OPTIONS(NSUInteger, MSACFlags) {
+  MSACFlagsNone = (0 << 0),     // => 00000000
+  MSACFlagsNormal = (1 << 0),   // => 00000001
+  MSACFlagsCritical = (1 << 1), // => 00000010
+  MSACFlagsPersistenceNormal DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsNormal") = MSACFlagsNormal,
+  MSACFlagsPersistenceCritical DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsCritical") = MSACFlagsCritical,
+  MSACFlagsDefault = MSACFlagsNormal
+} NS_SWIFT_NAME(Flags);
+
+#endif
@@ -0,0 +1,170 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+/**
+ *  Log Levels
+ */
+typedef NS_ENUM(NSUInteger, MSACLogLevel) {
+
+  /**
+   *  Logging will be very chatty
+   */
+  MSACLogLevelVerbose = 2,
+
+  /**
+   *  Debug information will be logged
+   */
+  MSACLogLevelDebug = 3,
+
+  /**
+   *  Information will be logged
+   */
+  MSACLogLevelInfo = 4,
+
+  /**
+   *  Errors and warnings will be logged
+   */
+  MSACLogLevelWarning = 5,
+
+  /**
+   *  Errors will be logged
+   */
+  MSACLogLevelError = 6,
+
+  /**
+   * Only critical errors will be logged
+   */
+  MSACLogLevelAssert = 7,
+
+  /**
+   *  Logging is disabled
+   */
+  MSACLogLevelNone = 99
+} NS_SWIFT_NAME(LogLevel);
+
+typedef NSString * (^MSACLogMessageProvider)(void)NS_SWIFT_NAME(LogMessageProvider);
+typedef void (^MSACLogHandler)(MSACLogMessageProvider messageProvider, MSACLogLevel logLevel, NSString *tag, const char *file,
+                               const char *function, uint line) NS_SWIFT_NAME(LogHandler);
+
+/**
+ * Channel priorities, check the kMSACPriorityCount if you add a new value.
+ * The order matters here! Values NEED to range from low priority to high priority.
+ */
+typedef NS_ENUM(NSInteger, MSACPriority) { MSACPriorityBackground, MSACPriorityDefault, MSACPriorityHigh } NS_SWIFT_NAME(Priority);
+static short const kMSACPriorityCount = MSACPriorityHigh + 1;
+
+/**
+ * The priority by which the modules are initialized.
+ * MSACPriorityMax is reserved for only 1 module and this needs to be Crashes.
+ * Crashes needs to be initialized first to catch crashes in our other SDK Modules (which will hopefully never happen) and to avoid losing
+ * any log at crash time.
+ */
+typedef NS_ENUM(NSInteger, MSACInitializationPriority) {
+  MSACInitializationPriorityDefault = 500,
+  MSACInitializationPriorityHigh = 750,
+  MSACInitializationPriorityMax = 999
+} NS_SWIFT_NAME(InitializationPriority);
+
+/**
+ * Enum with the different HTTP status codes.
+ */
+typedef NS_ENUM(NSInteger, MSACHTTPCodesNo) {
+
+  // Invalid
+  MSACHTTPCodesNo0XXInvalidUnknown = 0,
+
+  // Informational
+  MSACHTTPCodesNo1XXInformationalUnknown = 1,
+  MSACHTTPCodesNo100Continue = 100,
+  MSACHTTPCodesNo101SwitchingProtocols = 101,
+  MSACHTTPCodesNo102Processing = 102,
+
+  // Success
+  MSACHTTPCodesNo2XXSuccessUnknown = 2,
+  MSACHTTPCodesNo200OK = 200,
+  MSACHTTPCodesNo201Created = 201,
+  MSACHTTPCodesNo202Accepted = 202,
+  MSACHTTPCodesNo203NonAuthoritativeInformation = 203,
+  MSACHTTPCodesNo204NoContent = 204,
+  MSACHTTPCodesNo205ResetContent = 205,
+  MSACHTTPCodesNo206PartialContent = 206,
+  MSACHTTPCodesNo207MultiStatus = 207,
+  MSACHTTPCodesNo208AlreadyReported = 208,
+  MSACHTTPCodesNo209IMUsed = 209,
+
+  // Redirection
+  MSACHTTPCodesNo3XXSuccessUnknown = 3,
+  MSACHTTPCodesNo300MultipleChoices = 300,
+  MSACHTTPCodesNo301MovedPermanently = 301,
+  MSACHTTPCodesNo302Found = 302,
+  MSACHTTPCodesNo303SeeOther = 303,
+  MSACHTTPCodesNo304NotModified = 304,
+  MSACHTTPCodesNo305UseProxy = 305,
+  MSACHTTPCodesNo306SwitchProxy = 306,
+  MSACHTTPCodesNo307TemporaryRedirect = 307,
+  MSACHTTPCodesNo308PermanentRedirect = 308,
+
+  // Client error
+  MSACHTTPCodesNo4XXSuccessUnknown = 4,
+  MSACHTTPCodesNo400BadRequest = 400,
+  MSACHTTPCodesNo401Unauthorised = 401,
+  MSACHTTPCodesNo402PaymentRequired = 402,
+  MSACHTTPCodesNo403Forbidden = 403,
+  MSACHTTPCodesNo404NotFound = 404,
+  MSACHTTPCodesNo405MethodNotAllowed = 405,
+  MSACHTTPCodesNo406NotAcceptable = 406,
+  MSACHTTPCodesNo407ProxyAuthenticationRequired = 407,
+  MSACHTTPCodesNo408RequestTimeout = 408,
+  MSACHTTPCodesNo409Conflict = 409,
+  MSACHTTPCodesNo410Gone = 410,
+  MSACHTTPCodesNo411LengthRequired = 411,
+  MSACHTTPCodesNo412PreconditionFailed = 412,
+  MSACHTTPCodesNo413RequestEntityTooLarge = 413,
+  MSACHTTPCodesNo414RequestURITooLong = 414,
+  MSACHTTPCodesNo415UnsupportedMediaType = 415,
+  MSACHTTPCodesNo416RequestedRangeNotSatisfiable = 416,
+  MSACHTTPCodesNo417ExpectationFailed = 417,
+  MSACHTTPCodesNo418IamATeapot = 418,
+  MSACHTTPCodesNo419AuthenticationTimeout = 419,
+  MSACHTTPCodesNo420MethodFailureSpringFramework = 420,
+  MSACHTTPCodesNo420EnhanceYourCalmTwitter = 4200,
+  MSACHTTPCodesNo422UnprocessableEntity = 422,
+  MSACHTTPCodesNo423Locked = 423,
+  MSACHTTPCodesNo424FailedDependency = 424,
+  MSACHTTPCodesNo424MethodFailureWebDaw = 4240,
+  MSACHTTPCodesNo425UnorderedCollection = 425,
+  MSACHTTPCodesNo426UpgradeRequired = 426,
+  MSACHTTPCodesNo428PreconditionRequired = 428,
+  MSACHTTPCodesNo429TooManyRequests = 429,
+  MSACHTTPCodesNo431RequestHeaderFieldsTooLarge = 431,
+  MSACHTTPCodesNo444NoResponseNginx = 444,
+  MSACHTTPCodesNo449RetryWithMicrosoft = 449,
+  MSACHTTPCodesNo450BlockedByWindowsParentalControls = 450,
+  MSACHTTPCodesNo451RedirectMicrosoft = 451,
+  MSACHTTPCodesNo451UnavailableForLegalReasons = 4510,
+  MSACHTTPCodesNo494RequestHeaderTooLargeNginx = 494,
+  MSACHTTPCodesNo495CertErrorNginx = 495,
+  MSACHTTPCodesNo496NoCertNginx = 496,
+  MSACHTTPCodesNo497HTTPToHTTPSNginx = 497,
+  MSACHTTPCodesNo499ClientClosedRequestNginx = 499,
+
+  // Server error
+  MSACHTTPCodesNo5XXSuccessUnknown = 5,
+  MSACHTTPCodesNo500InternalServerError = 500,
+  MSACHTTPCodesNo501NotImplemented = 501,
+  MSACHTTPCodesNo502BadGateway = 502,
+  MSACHTTPCodesNo503ServiceUnavailable = 503,
+  MSACHTTPCodesNo504GatewayTimeout = 504,
+  MSACHTTPCodesNo505HTTPVersionNotSupported = 505,
+  MSACHTTPCodesNo506VariantAlsoNegotiates = 506,
+  MSACHTTPCodesNo507InsufficientStorage = 507,
+  MSACHTTPCodesNo508LoopDetected = 508,
+  MSACHTTPCodesNo509BandwidthLimitExceeded = 509,
+  MSACHTTPCodesNo510NotExtended = 510,
+  MSACHTTPCodesNo511NetworkAuthenticationRequired = 511,
+  MSACHTTPCodesNo522ConnectionTimedOut = 522,
+  MSACHTTPCodesNo598NetworkReadTimeoutErrorUnknown = 598,
+  MSACHTTPCodesNo599NetworkConnectTimeoutErrorUnknown = 599
+} NS_SWIFT_NAME(HTTPCodesNo);
@@ -0,0 +1,71 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CUSTOM_PROPERTIES_H
+#define MSAC_CUSTOM_PROPERTIES_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Custom properties builder.
+ * Collects multiple properties to send in one log.
+ */
+NS_SWIFT_NAME(CustomProperties)
+@interface MSACCustomProperties : NSObject
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setString:(NSString *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setNumber:(NSNumber *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setBool:(BOOL)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setDate:(NSDate *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Clear the property for the specified key.
+ *
+ * @param key Key whose mapping is to be cleared.
+ *
+ * @return This instance.
+ */
+- (instancetype)clearPropertyForKey:(NSString *)key NS_SWIFT_NAME(clearProperty(forKey:));
+
+@end
+
+#endif
@@ -0,0 +1,101 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_DEVICE_H
+#define MSAC_DEVICE_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACWrapperSdk.h>)
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACWrapperSdk.h"
+#endif
+
+NS_SWIFT_NAME(Device)
+@interface MSACDevice : MSACWrapperSdk
+
+/*
+ * Name of the SDK. Consists of the name of the SDK and the platform, e.g. "appcenter.ios", "appcenter.android"
+ */
+@property(nonatomic, copy, readonly) NSString *sdkName;
+
+/*
+ * Version of the SDK in semver format, e.g. "1.2.0" or "0.12.3-alpha.1".
+ */
+@property(nonatomic, copy, readonly) NSString *sdkVersion;
+
+/*
+ * Device model (example: iPad2,3).
+ */
+@property(nonatomic, copy, readonly) NSString *model;
+
+/*
+ * Device manufacturer (example: HTC).
+ */
+@property(nonatomic, copy, readonly) NSString *oemName;
+
+/*
+ * OS name (example: iOS).
+ */
+@property(nonatomic, copy, readonly) NSString *osName;
+
+/*
+ * OS version (example: 9.3.0).
+ */
+@property(nonatomic, copy, readonly) NSString *osVersion;
+
+/*
+ * OS build code (example: LMY47X).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *osBuild;
+
+/*
+ * API level when applicable like in Android (example: 15). [optional]
+ */
+@property(nonatomic, copy, readonly) NSNumber *osApiLevel;
+
+/*
+ * Language code (example: en_US).
+ */
+@property(nonatomic, copy, readonly) NSString *locale;
+
+/*
+ * The offset in minutes from UTC for the device time zone, including daylight savings time.
+ */
+@property(nonatomic, readonly, strong) NSNumber *timeZoneOffset;
+
+/*
+ * Screen size of the device in pixels (example: 640x480).
+ */
+@property(nonatomic, copy, readonly) NSString *screenSize;
+
+/*
+ * Application version name, e.g. 1.1.0
+ */
+@property(nonatomic, copy, readonly) NSString *appVersion;
+
+/*
+ * Carrier name (for mobile devices). [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *carrierName;
+
+/*
+ * Carrier country code (for mobile devices). [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *carrierCountry;
+
+/*
+ * The app's build number, e.g. 42.
+ */
+@property(nonatomic, copy, readonly) NSString *appBuild;
+
+/*
+ * The bundle identifier, package identifier, or namespace, depending on what the individual plattforms use,  .e.g com.microsoft.example.
+ * [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *appNamespace;
+
+@end
+
+#endif
@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_ENABLE_H
+#define MSAC_ENABLE_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Protocol to define an instance that can be enabled/disabled.
+ */
+NS_SWIFT_NAME(Enable)
+@protocol MSACEnable <NSObject>
+
+@required
+
+/**
+ * Enable/disable this instance and delete data on disabled state.
+ *
+ * @param isEnabled  A boolean value set to YES to enable the instance or NO to disable it.
+ * @param deleteData A boolean value set to YES to delete data or NO to keep it.
+ */
+- (void)setEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deleteData NS_SWIFT_NAME(setEnabled(_:deleteDataOnDisabled:));
+
+@end
+
+#endif
@@ -0,0 +1,74 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_LOG_H
+#define MSAC_LOG_H
+
+#import <Foundation/Foundation.h>
+
+@class MSACDevice;
+
+NS_SWIFT_NAME(Log)
+@protocol MSACLog <NSObject>
+
+/**
+ * Log type.
+ */
+@property(nonatomic, copy) NSString *type;
+
+/**
+ * Log timestamp.
+ */
+@property(nonatomic, strong) NSDate *timestamp;
+
+/**
+ * A session identifier is used to correlate logs together. A session is an abstract concept in the API and is not necessarily an analytics
+ * session, it can be used to only track crashes.
+ */
+@property(nonatomic, copy) NSString *sid;
+
+/**
+ * Optional distribution group ID value.
+ */
+@property(nonatomic, copy) NSString *distributionGroupId;
+
+/**
+ * Optional user identifier.
+ */
+@property(nonatomic, copy) NSString *userId;
+
+/**
+ * Device properties associated to this log.
+ */
+@property(nonatomic, strong) MSACDevice *device;
+
+/**
+ * Transient object tag. For example, a log can be tagged with a transmission target. We do this currently to prevent properties being
+ * applied retroactively to previous logs by comparing their tags.
+ */
+@property(nonatomic, strong) NSObject *tag;
+
+/**
+ * Checks if the object's values are valid.
+ *
+ * @return YES, if the object is valid.
+ */
+- (BOOL)isValid;
+
+/**
+ * Adds a transmission target token that this log should be sent to.
+ *
+ * @param token The transmission target token.
+ */
+- (void)addTransmissionTargetToken:(NSString *)token;
+
+/**
+ * Gets all transmission target tokens that this log should be sent to.
+ *
+ * @returns Collection of transmission target tokens that this log should be sent to.
+ */
+- (NSSet *)transmissionTargetTokens;
+
+@end
+
+#endif
@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_LOG_WITH_PROPERTIES_H
+#define MSAC_LOG_WITH_PROPERTIES_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAbstractLog.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#else
+#import "MSACAbstractLog.h"
+#endif
+
+NS_SWIFT_NAME(LogWithProperties)
+@interface MSACLogWithProperties : MSACAbstractLog
+
+/**
+ * Additional key/value pair parameters. [optional]
+ */
+@property(nonatomic, strong) NSDictionary<NSString *, NSString *> *properties;
+
+@end
+
+#endif
@@ -0,0 +1,54 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef MSAC_LOGGER
+#define MSAC_LOGGER
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+#define MSACLog(_level, _tag, _message)                                                                                                    \
+  [MSACLogger logMessage:_message level:_level tag:_tag file:__FILE__ function:__PRETTY_FUNCTION__ line:__LINE__]
+#define MSACLogAssert(tag, format, ...)                                                                                                    \
+  MSACLog(MSACLogLevelAssert, tag, (^{                                                                                                     \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogError(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelError, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogWarning(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelWarning, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogInfo(tag, format, ...)                                                                                                      \
+  MSACLog(MSACLogLevelInfo, tag, (^{                                                                                                       \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogDebug(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelDebug, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogVerbose(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelVerbose, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+
+NS_SWIFT_NAME(Logger)
+@interface MSACLogger : NSObject
+
+ (void)logMessage:(MSACLogMessageProvider)messageProvider
+             level:(MSACLogLevel)loglevel
+               tag:(NSString *)tag
+              file:(const char *)file
+          function:(const char *)function
+              line:(uint)line;
+
+@end
+
+#endif
@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef SERIALIZABLE_OBJECT_H
+#define SERIALIZABLE_OBJECT_H
+
+@protocol MSACSerializableObject <NSCoding>
+
+/**
+ * Serialize this object to a dictionary.
+ *
+ * @return A dictionary representing this object.
+ */
+- (NSMutableDictionary *)serializeToDictionary;
+
+@end
+#endif
@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_SERVICE_H
+#define MSAC_SERVICE_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Protocol declaring service logic.
+ */
+NS_SWIFT_NAME(Service)
+@protocol MSACService <NSObject>
+
+/**
+ * Indicates whether this service is enabled.
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);
+
+@end
+
+#endif
@@ -1,20 +1,25 @@
 // Copyright (c) Microsoft Corporation. All rights reserved.
 // Licensed under the MIT License.

-#ifndef MS_SERVICE_ABSTRACT_H
-#define MS_SERVICE_ABSTRACT_H
+#ifndef MSAC_SERVICE_ABSTRACT_H
+#define MSAC_SERVICE_ABSTRACT_H

 #import <Foundation/Foundation.h>

-#import "MSService.h"
+#if __has_include(<AppCenter/MSACService.h>)
+#import <AppCenter/MSACService.h>
+#else
+#import "MSACService.h"
+#endif

-@protocol MSChannelGroupProtocol;
+@protocol MSACChannelGroupProtocol;

 /**
 * Abstraction of services common logic.
 * This class is intended to be subclassed only not instantiated directly.
 */
-@interface MSServiceAbstract : NSObject <MSService>
+NS_SWIFT_NAME(ServiceAbstract)
+@interface MSACServiceAbstract : NSObject <MSACService>

 /**
 * The flag indicates whether the service is started from application or not.
@@ -29,7 +34,7 @@
 * @param token default transmission target token for this service.
 * @param fromApplication indicates whether the service started from an application or not.
 */
- (void)startWithChannelGroup:(id<MSChannelGroupProtocol>)channelGroup
+- (void)startWithChannelGroup:(id<MSACChannelGroupProtocol>)channelGroup
                    appSecret:(NSString *)appSecret
      transmissionTargetToken:(NSString *)token
              fromApplication:(BOOL)fromApplication;
@@ -44,11 +49,9 @@
 - (void)updateConfigurationWithAppSecret:(NSString *)appSecret transmissionTargetToken:(NSString *)token;

 /**
- * Checks if the service needs the application secret.
- *
- * @return `YES` if the application secret is required, `NO` otherwise.
+ * The flag indicate whether the service needs the application secret or not.
 */
- (BOOL)isAppSecretRequired;
+@property(atomic, readonly) BOOL isAppSecretRequired;

@end

@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+/**
+ * This is a utility for producing App Center style log messages. It is only intended for use by App Center services and wrapper SDKs of App
+ * Center.
+ */
+NS_SWIFT_NAME(WrapperLogger)
+@interface MSACWrapperLogger : NSObject
+
+ (void)MSACWrapperLog:(MSACLogMessageProvider)message tag:(NSString *)tag level:(MSACLogLevel)level;
+
+@end
@@ -0,0 +1,60 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_WRAPPER_SDK_H
+#define MSAC_WRAPPER_SDK_H
+
+#import <Foundation/Foundation.h>
+
+NS_SWIFT_NAME(WrapperSdk)
+@interface MSACWrapperSdk : NSObject
+
+/*
+ * Version of the wrapper SDK. When the SDK is embedding another base SDK (for example Xamarin.Android wraps Android), the Xamarin specific
+ * version is populated into this field while sdkVersion refers to the original Android SDK. [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperSdkVersion;
+
+/*
+ * Name of the wrapper SDK (examples: Xamarin, Cordova).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperSdkName;
+
+/*
+ * Version of the wrapper technology framework (Xamarin runtime version or ReactNative or Cordova etc...).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperRuntimeVersion;
+
+/*
+ * Label that is used to identify application code 'version' released via Live Update beacon running on device.
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdateReleaseLabel;
+
+/*
+ * Identifier of environment that current application release belongs to, deployment key then maps to environment like Production, Staging.
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdateDeploymentKey;
+
+/*
+ * Hash of all files (ReactNative or Cordova) deployed to device via LiveUpdate beacon. Helps identify the Release version on device or need
+ * to download updates in future
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdatePackageHash;
+
+- (instancetype)initWithWrapperSdkVersion:(NSString *)wrapperSdkVersion
+                           wrapperSdkName:(NSString *)wrapperSdkName
+                    wrapperRuntimeVersion:(NSString *)wrapperRuntimeVersion
+                   liveUpdateReleaseLabel:(NSString *)liveUpdateReleaseLabel
+                  liveUpdateDeploymentKey:(NSString *)liveUpdateDeploymentKey
+                    liveUpdatePackageHash:(NSString *)liveUpdatePackageHash;
+
+/**
+ * Checks if the object's values are valid.
+ *
+ * @return YES, if the object is valid.
+ */
+- (BOOL)isValid;
+
+@end
+
+#endif
@@ -0,0 +1,13 @@
+framework module AppCenter {
+  umbrella header "AppCenter.h"
+  
+  export *
+  module * { export * }
+  
+  link framework "Foundation"
+  link framework "CoreTelephony"
+  link framework "SystemConfiguration"
+  link framework "UIKit"
+  link "sqlite3"
+  link "z"
+}
@@ -0,0 +1,114 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#import "MSACConstants+Flags.h"
+
+@protocol MSACChannelUnitProtocol;
+@protocol MSACChannelGroupProtocol;
+@protocol MSACChannelProtocol;
+@protocol MSACLog;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MSACChannelDelegate <NSObject>
+
+@optional
+
+/**
+ * A callback that is called when a channel unit is added to the channel group.
+ *
+ * @param channelGroup The channel group.
+ * @param channel The newly added channel.
+ */
+- (void)channelGroup:(id<MSACChannelGroupProtocol>)channelGroup didAddChannelUnit:(id<MSACChannelUnitProtocol>)channel;
+
+/**
+ * A callback that is called when a log is just enqueued. Delegates may want to prepare the log a little more before further processing.
+ *
+ * @param log The log to prepare.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel prepareLog:(id<MSACLog>)log;
+
+/**
+ * A callback that is called after a log is definitely prepared.
+ *
+ * @param log The log.
+ * @param internalId An internal Id to keep track of logs.
+ * @param flags Options for the log.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didPrepareLog:(id<MSACLog>)log internalId:(NSString *)internalId flags:(MSACFlags)flags;
+
+/**
+ * A callback that is called after a log completed the enqueueing process whether it was successful or not.
+ *
+ * @param log The log.
+ * @param internalId An internal Id to keep track of logs.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didCompleteEnqueueingLog:(id<MSACLog>)log internalId:(NSString *)internalId;
+
+/**
+ * Callback method that will be called before each log will be send to the server.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel willSendLog:(id<MSACLog>)log;
+
+/**
+ * Callback method that will be called in case the SDK was able to send a log.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didSucceedSendingLog:(id<MSACLog>)log;
+
+/**
+ * Callback method that will be called in case the SDK was unable to send a log.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ * @param error The error that occured.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didFailSendingLog:(id<MSACLog>)log withError:(nullable NSError *)error;
+
+/**
+ * A callback that is called when setEnabled has been invoked.
+ *
+ * @param channel The channel.
+ * @param isEnabled The boolean that indicates enabled.
+ * @param deletedData The boolean that indicates deleting data on disabled.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didSetEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deletedData;
+
+/**
+ * A callback that is called when pause has been invoked.
+ *
+ * @param channel The channel.
+ * @param identifyingObject The identifying object used to pause the channel.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didPauseWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * A callback that is called when resume has been invoked.
+ *
+ * @param channel The channel.
+ * @param identifyingObject The identifying object used to resume the channel.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didResumeWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * Callback method that will determine if a log should be filtered out from the usual processing pipeline. If any delegate returns true, the
+ * log is filtered.
+ *
+ * @param channelUnit The channel unit that is going to send the log.
+ * @param log The log to be filtered or not.
+ *
+ * @return `true` if the log should be filtered out.
+ */
+- (BOOL)channelUnit:(id<MSACChannelUnitProtocol>)channelUnit shouldFilterLog:(id<MSACLog>)log;
+
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,417 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>files</key>
+	<dict>
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+		<data>
+		w9sW6K7DVhGfORLCjGXijaR25m0=
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+		<key>Headers/MSACAbstractLog.h</key>
+		<data>
+		+Ikfy/fTOpqwPZM3Fpii3cpsx8Y=
+		</data>
+		<key>Headers/MSACAppCenter.h</key>
+		<data>
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+		<key>Headers/MSACAppCenterErrors.h</key>
+		<data>
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+		<key>Headers/MSACChannelGroupProtocol.h</key>
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+		<key>Headers/MSACChannelProtocol.h</key>
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+		<key>Headers/MSACConstants+Flags.h</key>
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+		<key>Headers/MSACConstants.h</key>
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+			<real>20</real>
+		</dict>
+		<key>^embedded\.provisionprofile$</key>
+		<dict>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+		<key>^version\.plist$</key>
+		<dict>
+			<key>weight</key>
+			<real>20</real>
+		</dict>
+	</dict>
+</dict>
+</plist>
@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAppCenter.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#import <AppCenter/MSACAppCenter.h>
+#import <AppCenter/MSACAppCenterErrors.h>
+#import <AppCenter/MSACChannelGroupProtocol.h>
+#import <AppCenter/MSACChannelProtocol.h>
+#import <AppCenter/MSACConstants+Flags.h>
+#import <AppCenter/MSACConstants.h>
+#import <AppCenter/MSACCustomProperties.h>
+#import <AppCenter/MSACDevice.h>
+#import <AppCenter/MSACEnable.h>
+#import <AppCenter/MSACLog.h>
+#import <AppCenter/MSACLogWithProperties.h>
+#import <AppCenter/MSACLogger.h>
+#import <AppCenter/MSACSerializableObject.h>
+#import <AppCenter/MSACService.h>
+#import <AppCenter/MSACServiceAbstract.h>
+#import <AppCenter/MSACWrapperLogger.h>
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACAbstractLog.h"
+#import "MSACAppCenter.h"
+#import "MSACAppCenterErrors.h"
+#import "MSACChannelGroupProtocol.h"
+#import "MSACChannelProtocol.h"
+#import "MSACConstants+Flags.h"
+#import "MSACConstants.h"
+#import "MSACCustomProperties.h"
+#import "MSACDevice.h"
+#import "MSACEnable.h"
+#import "MSACLog.h"
+#import "MSACLogWithProperties.h"
+#import "MSACLogger.h"
+#import "MSACSerializableObject.h"
+#import "MSACService.h"
+#import "MSACServiceAbstract.h"
+#import "MSACWrapperLogger.h"
+#import "MSACWrapperSdk.h"
+#endif
@@ -0,0 +1,14 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_ABSTRACT_LOG_H
+#define MSAC_ABSTRACT_LOG_H
+
+#import <Foundation/Foundation.h>
+
+NS_SWIFT_NAME(AbstractLog)
+@interface MSACAbstractLog : NSObject
+
+@end
+
+#endif
@@ -0,0 +1,203 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef MSAC_APP_CENTER
+#define MSAC_APP_CENTER
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+@class MSACWrapperSdk;
+
+#if !TARGET_OS_TV
+@class MSACCustomProperties;
+#endif
+
+NS_SWIFT_NAME(AppCenter)
+@interface MSACAppCenter : NSObject
+
+/**
+ * Returns the singleton instance of MSACAppCenter.
+ */
+ (instancetype)sharedInstance;
+
+/**
+ * Configure the SDK with an application secret.
+ *
+ * @param appSecret A unique and secret key used to identify the application.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)configureWithAppSecret:(NSString *)appSecret NS_SWIFT_NAME(configure(withAppSecret:));
+
+/**
+ * Configure the SDK.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)configure;
+
+/**
+ * Configure the SDK with an application secret and an array of services to start.
+ *
+ * @param appSecret A unique and secret key used to identify the application.
+ * @param services  Array of services to start.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)start:(NSString *)appSecret withServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(withAppSecret:services:));
+
+/**
+ * Start the SDK with an array of services.
+ *
+ * @param services  Array of services to start.
+ *
+ * @discussion This may be called only once per application process lifetime.
+ */
+ (void)startWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(start(services:));
+
+/**
+ * Start a service.
+ *
+ * @param service  A service to start.
+ *
+ * @discussion This may be called only once per service per application process lifetime.
+ */
+ (void)startService:(Class)service;
+
+/**
+ * Configure the SDK with an array of services to start from a library. This will not start the service at application level, it will enable
+ * the service only for the library.
+ *
+ * @param services Array of services to start.
+ */
+ (void)startFromLibraryWithServices:(NSArray<Class> *)services NS_SWIFT_NAME(startFromLibrary(services:));
+
+/**
+ * The flag indicates whether the SDK has already been configured or not.
+ */
+@property(class, atomic, readonly, getter=isConfigured) BOOL configured;
+
+/**
+ * The flag indicates whether app is running in App Center Test Cloud.
+ */
+@property(class, atomic, readonly, getter=isRunningInAppCenterTestCloud) BOOL runningInAppCenterTestCloud;
+
+/**
+ * The flag indicates whether or not the SDK was enabled as a whole
+ *
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);
+
+/**
+ * Flag indicating whether SDK can send network requests.
+ *
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isNetworkRequestsAllowed, setter=setNetworkRequestsAllowed:)
+    BOOL networkRequestsAllowed NS_SWIFT_NAME(networkRequestsAllowed);
+
+/**
+ * The SDK's log level.
+ */
+@property(class, nonatomic) MSACLogLevel logLevel;
+
+/**
+ * Base URL to use for backend communication.
+ */
+@property(class, nonatomic, strong) NSString *logUrl;
+
+/**
+ * Set log handler.
+ */
+@property(class, nonatomic) MSACLogHandler logHandler;
+
+/**
+ * Set wrapper SDK information to use when building device properties. This is intended in case you are building a SDK that uses the App
+ * Center SDK under the hood, e.g. our Xamarin SDK or ReactNative SDk.
+ */
+@property(class, nonatomic, strong) MSACWrapperSdk *wrapperSdk;
+
+#if !TARGET_OS_TV
+/**
+ * Set the custom properties.
+ *
+ * @param customProperties Custom properties object.
+ */
+ (void)setCustomProperties:(MSACCustomProperties *)customProperties;
+#endif
+
+/**
+ * Check whether the application delegate forwarder is enabled or not.
+ *
+ * @discussion The application delegate forwarder forwards messages that target your application delegate methods via swizzling to the SDK.
+ * It simplifies the SDK integration but may not be suitable to any situations. For
+ * instance it should be disabled if you or one of your third party SDK is doing message forwarding on the application delegate. Message
+ * forwarding usually implies the implementation of @see NSObject#forwardingTargetForSelector: or @see NSObject#forwardInvocation: methods.
+ * To disable the application delegate forwarder just add the `AppCenterAppDelegateForwarderEnabled` tag to your Info .plist file and set it
+ * to `0`. Then you will have to forward any application delegate needed by the SDK manually.
+ */
+@property(class, readonly, nonatomic, getter=isAppDelegateForwarderEnabled) BOOL appDelegateForwarderEnabled;
+
+/**
+ * Unique installation identifier.
+ *
+ */
+@property(class, readonly, nonatomic) NSUUID *installId;
+
+/**
+ * Detect if a debugger is attached to the app process. This is only invoked once on app startup and can not detect
+ * if the debugger is being attached during runtime!
+ *
+ */
+@property(class, readonly, nonatomic, getter=isDebuggerAttached) BOOL debuggerAttached;
+
+/**
+ * Current version of AppCenter SDK.
+ *
+ */
+@property(class, readonly, nonatomic) NSString *sdkVersion;
+
+/**
+ * Set the maximum size of the internal storage. This method must be called before App Center is started. This method is only intended for
+ * applications.
+ *
+ * @param sizeInBytes Maximum size of the internal storage in bytes. This will be rounded up to the nearest multiple of a SQLite page size
+ * (default is 4096 bytes). Values below 20,480 bytes (20 KiB) will be ignored.
+ *
+ * @param completionHandler Callback that is invoked when the database size has been set. The `BOOL` parameter is `YES` if changing the size
+ * is successful, and `NO` otherwise. This parameter can be null.
+ *
+ * @discussion This only sets the maximum size of the database, but App Center modules might store additional data.
+ * The value passed to this method is not persisted on disk. The default maximum database size is 10485760 bytes (10 MiB).
+ */
+ (void)setMaxStorageSize:(long)sizeInBytes completionHandler:(void (^)(BOOL))completionHandler;
+
+/**
+ * Set the user identifier.
+ *
+ * @discussion Set the user identifier for logs sent for the default target token when the secret passed in @c
+ * MSACAppCenter:start:withServices: contains "target={targetToken}".
+ *
+ * For App Center backend the user identifier maximum length is 256 characters.
+ *
+ * AppCenter must be configured or started before this API can be used.
+ */
+@property(class, nonatomic, strong) NSString *userId;
+
+/**
+ * Set country code to use when building device properties.
+ *
+ * @see https://www.iso.org/obp/ui/#search for more information.
+ */
+@property(class, nonatomic, strong) NSString *countryCode;
+
+@end
+
+#endif
@@ -0,0 +1,41 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_APP_CENTER_ERRORS_H
+#define MSAC_APP_CENTER_ERRORS_H
+
+#import <Foundation/Foundation.h>
+
+#define MSAC_APP_CENTER_BASE_DOMAIN @"com.Microsoft.AppCenter."
+
+NS_ASSUME_NONNULL_BEGIN
+
+#pragma mark - Domain
+
+static NSString *const kMSACACErrorDomain = MSAC_APP_CENTER_BASE_DOMAIN @"ErrorDomain";
+
+#pragma mark - General
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACLogInvalidContainerErrorCode = 1, MSACACCanceledErrorCode = 2, MSACACDisabledErrorCode = 3};
+
+// Error descriptions.
+static NSString const *kMSACACLogInvalidContainerErrorDesc = @"Invalid log container.";
+static NSString const *kMSACACCanceledErrorDesc = @"The operation was canceled.";
+static NSString const *kMSACACDisabledErrorDesc = @"The service is disabled.";
+
+#pragma mark - Connection
+
+// Error codes.
+NS_ENUM(NSInteger){MSACACConnectionPausedErrorCode = 100, MSACACConnectionHttpErrorCode = 101};
+
+// Error descriptions.
+static NSString const *kMSACACConnectionHttpErrorDesc = @"An HTTP error occured.";
+static NSString const *kMSACACConnectionPausedErrorDesc = @"Canceled, connection paused with log deletion.";
+
+// Error user info keys.
+static NSString const *kMSACACConnectionHttpCodeErrorKey = @"MSConnectionHttpCode";
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,87 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CHANNEL_GROUP_PROTOCOL_H
+#define MSAC_CHANNEL_GROUP_PROTOCOL_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACChannelProtocol.h>)
+#import <AppCenter/MSACChannelProtocol.h>
+#else
+#import "MSACChannelProtocol.h"
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+@class MSACChannelUnitConfiguration;
+
+@protocol MSACIngestionProtocol;
+@protocol MSACChannelUnitProtocol;
+
+/**
+ * `MSACChannelGroupProtocol` represents a kind of channel that contains constituent MSACChannelUnit objects. When an operation from the
+ * `MSACChannelProtocol` is performed on the group, that operation should be propagated to its constituent MSACChannelUnit objects.
+ */
+NS_SWIFT_NAME(ChannelGroupProtocol)
+@protocol MSACChannelGroupProtocol <MSACChannelProtocol>
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+    NS_SWIFT_NAME(addChannelUnit(withConfiguration:));
+
+/**
+ * Initialize a channel unit with the given configuration.
+ *
+ * @param configuration channel configuration.
+ * @param ingestion The alternative ingestion object
+ *
+ * @return The added `MSACChannelUnitProtocol`. Use this object to enqueue logs.
+ */
+- (id<MSACChannelUnitProtocol>)addChannelUnitWithConfiguration:(MSACChannelUnitConfiguration *)configuration
+                                                 withIngestion:(nullable id<MSACIngestionProtocol>)ingestion
+    NS_SWIFT_NAME(addChannelUnit(_:ingestion:));
+
+/**
+ * Change the base URL (schema + authority + port only) used to communicate with the backend.
+ */
+@property(nonatomic, strong) NSString *_Nullable logUrl;
+
+/**
+ * Set the app secret.
+ */
+@property(nonatomic, strong) NSString *_Nullable appSecret;
+
+/**
+ * Set the maximum size of the internal storage. This method must be called before App Center is started.
+ *
+ * @discussion The default maximum database size is 10485760 bytes (10 MiB).
+ *
+ * @param sizeInBytes Maximum size of the internal storage in bytes. This will be rounded up to the nearest multiple of a SQLite page size
+ * (default is 4096 bytes). Values below 24576 bytes (24 KiB) will be ignored.
+ * @param completionHandler Callback that is invoked when the database size has been set. The `BOOL` parameter is `YES` if changing the size
+ * is successful, and `NO` otherwise.
+ */
+- (void)setMaxStorageSize:(long)sizeInBytes
+        completionHandler:(nullable void (^)(BOOL))completionHandler NS_SWIFT_NAME(setMaxStorageSize(_:completionHandler:));
+
+/**
+ * Return a channel unit instance for the given groupId.
+ *
+ * @param groupId The group ID for a channel unit.
+ *
+ * @return A channel unit instance or `nil`.
+ */
+- (nullable id<MSACChannelUnitProtocol>)channelUnitForGroupId:(NSString *)groupId;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,68 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CHANNEL_PROTOCOL_H
+#define MSAC_CHANNEL_PROTOCOL_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACEnable.h>)
+#import <AppCenter/MSACEnable.h>
+#else
+#import "MSACEnable.h"
+#endif
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MSACChannelDelegate;
+
+/**
+ * `MSACChannelProtocol` contains the essential operations of a channel. Channels are broadly responsible for enqueuing logs to be sent to
+ * the backend and/or stored on disk.
+ */
+NS_SWIFT_NAME(ChannelProtocol)
+@protocol MSACChannelProtocol <NSObject, MSACEnable>
+
+/**
+ * Add delegate.
+ *
+ * @param delegate delegate.
+ */
+- (void)addDelegate:(id<MSACChannelDelegate>)delegate;
+
+/**
+ * Remove delegate.
+ *
+ * @param delegate delegate.
+ */
+- (void)removeDelegate:(id<MSACChannelDelegate>)delegate;
+
+/**
+ * Pause operations, logs will be stored but not sent.
+ *
+ * @param identifyingObject Object used to identify the pause request.
+ *
+ * @discussion A paused channel doesn't forward logs to the ingestion. The identifying object used to pause the channel can be any unique
+ * object. The same identifying object must be used to call resume. For simplicity if the caller is the one owning the channel then @c self
+ * can be used as identifying object.
+ *
+ * @see resumeWithIdentifyingObject:
+ */
+- (void)pauseWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * Resume operations, logs can be sent again.
+ *
+ * @param identifyingObject Object used to passed to the pause method.
+ *
+ * @discussion The channel only resume when all the outstanding identifying objects have been resumed.
+ *
+ * @see pauseWithIdentifyingObject:
+ */
+- (void)resumeWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+@end
+
+NS_ASSUME_NONNULL_END
+
+#endif
@@ -0,0 +1,18 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CONSTANTS_FLAGS_H
+#define MSAC_CONSTANTS_FLAGS_H
+
+#import <Foundation/Foundation.h>
+
+typedef NS_OPTIONS(NSUInteger, MSACFlags) {
+  MSACFlagsNone = (0 << 0),     // => 00000000
+  MSACFlagsNormal = (1 << 0),   // => 00000001
+  MSACFlagsCritical = (1 << 1), // => 00000010
+  MSACFlagsPersistenceNormal DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsNormal") = MSACFlagsNormal,
+  MSACFlagsPersistenceCritical DEPRECATED_MSG_ATTRIBUTE("please use MSACFlagsCritical") = MSACFlagsCritical,
+  MSACFlagsDefault = MSACFlagsNormal
+} NS_SWIFT_NAME(Flags);
+
+#endif
@@ -0,0 +1,170 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+/**
+ *  Log Levels
+ */
+typedef NS_ENUM(NSUInteger, MSACLogLevel) {
+
+  /**
+   *  Logging will be very chatty
+   */
+  MSACLogLevelVerbose = 2,
+
+  /**
+   *  Debug information will be logged
+   */
+  MSACLogLevelDebug = 3,
+
+  /**
+   *  Information will be logged
+   */
+  MSACLogLevelInfo = 4,
+
+  /**
+   *  Errors and warnings will be logged
+   */
+  MSACLogLevelWarning = 5,
+
+  /**
+   *  Errors will be logged
+   */
+  MSACLogLevelError = 6,
+
+  /**
+   * Only critical errors will be logged
+   */
+  MSACLogLevelAssert = 7,
+
+  /**
+   *  Logging is disabled
+   */
+  MSACLogLevelNone = 99
+} NS_SWIFT_NAME(LogLevel);
+
+typedef NSString * (^MSACLogMessageProvider)(void)NS_SWIFT_NAME(LogMessageProvider);
+typedef void (^MSACLogHandler)(MSACLogMessageProvider messageProvider, MSACLogLevel logLevel, NSString *tag, const char *file,
+                               const char *function, uint line) NS_SWIFT_NAME(LogHandler);
+
+/**
+ * Channel priorities, check the kMSACPriorityCount if you add a new value.
+ * The order matters here! Values NEED to range from low priority to high priority.
+ */
+typedef NS_ENUM(NSInteger, MSACPriority) { MSACPriorityBackground, MSACPriorityDefault, MSACPriorityHigh } NS_SWIFT_NAME(Priority);
+static short const kMSACPriorityCount = MSACPriorityHigh + 1;
+
+/**
+ * The priority by which the modules are initialized.
+ * MSACPriorityMax is reserved for only 1 module and this needs to be Crashes.
+ * Crashes needs to be initialized first to catch crashes in our other SDK Modules (which will hopefully never happen) and to avoid losing
+ * any log at crash time.
+ */
+typedef NS_ENUM(NSInteger, MSACInitializationPriority) {
+  MSACInitializationPriorityDefault = 500,
+  MSACInitializationPriorityHigh = 750,
+  MSACInitializationPriorityMax = 999
+} NS_SWIFT_NAME(InitializationPriority);
+
+/**
+ * Enum with the different HTTP status codes.
+ */
+typedef NS_ENUM(NSInteger, MSACHTTPCodesNo) {
+
+  // Invalid
+  MSACHTTPCodesNo0XXInvalidUnknown = 0,
+
+  // Informational
+  MSACHTTPCodesNo1XXInformationalUnknown = 1,
+  MSACHTTPCodesNo100Continue = 100,
+  MSACHTTPCodesNo101SwitchingProtocols = 101,
+  MSACHTTPCodesNo102Processing = 102,
+
+  // Success
+  MSACHTTPCodesNo2XXSuccessUnknown = 2,
+  MSACHTTPCodesNo200OK = 200,
+  MSACHTTPCodesNo201Created = 201,
+  MSACHTTPCodesNo202Accepted = 202,
+  MSACHTTPCodesNo203NonAuthoritativeInformation = 203,
+  MSACHTTPCodesNo204NoContent = 204,
+  MSACHTTPCodesNo205ResetContent = 205,
+  MSACHTTPCodesNo206PartialContent = 206,
+  MSACHTTPCodesNo207MultiStatus = 207,
+  MSACHTTPCodesNo208AlreadyReported = 208,
+  MSACHTTPCodesNo209IMUsed = 209,
+
+  // Redirection
+  MSACHTTPCodesNo3XXSuccessUnknown = 3,
+  MSACHTTPCodesNo300MultipleChoices = 300,
+  MSACHTTPCodesNo301MovedPermanently = 301,
+  MSACHTTPCodesNo302Found = 302,
+  MSACHTTPCodesNo303SeeOther = 303,
+  MSACHTTPCodesNo304NotModified = 304,
+  MSACHTTPCodesNo305UseProxy = 305,
+  MSACHTTPCodesNo306SwitchProxy = 306,
+  MSACHTTPCodesNo307TemporaryRedirect = 307,
+  MSACHTTPCodesNo308PermanentRedirect = 308,
+
+  // Client error
+  MSACHTTPCodesNo4XXSuccessUnknown = 4,
+  MSACHTTPCodesNo400BadRequest = 400,
+  MSACHTTPCodesNo401Unauthorised = 401,
+  MSACHTTPCodesNo402PaymentRequired = 402,
+  MSACHTTPCodesNo403Forbidden = 403,
+  MSACHTTPCodesNo404NotFound = 404,
+  MSACHTTPCodesNo405MethodNotAllowed = 405,
+  MSACHTTPCodesNo406NotAcceptable = 406,
+  MSACHTTPCodesNo407ProxyAuthenticationRequired = 407,
+  MSACHTTPCodesNo408RequestTimeout = 408,
+  MSACHTTPCodesNo409Conflict = 409,
+  MSACHTTPCodesNo410Gone = 410,
+  MSACHTTPCodesNo411LengthRequired = 411,
+  MSACHTTPCodesNo412PreconditionFailed = 412,
+  MSACHTTPCodesNo413RequestEntityTooLarge = 413,
+  MSACHTTPCodesNo414RequestURITooLong = 414,
+  MSACHTTPCodesNo415UnsupportedMediaType = 415,
+  MSACHTTPCodesNo416RequestedRangeNotSatisfiable = 416,
+  MSACHTTPCodesNo417ExpectationFailed = 417,
+  MSACHTTPCodesNo418IamATeapot = 418,
+  MSACHTTPCodesNo419AuthenticationTimeout = 419,
+  MSACHTTPCodesNo420MethodFailureSpringFramework = 420,
+  MSACHTTPCodesNo420EnhanceYourCalmTwitter = 4200,
+  MSACHTTPCodesNo422UnprocessableEntity = 422,
+  MSACHTTPCodesNo423Locked = 423,
+  MSACHTTPCodesNo424FailedDependency = 424,
+  MSACHTTPCodesNo424MethodFailureWebDaw = 4240,
+  MSACHTTPCodesNo425UnorderedCollection = 425,
+  MSACHTTPCodesNo426UpgradeRequired = 426,
+  MSACHTTPCodesNo428PreconditionRequired = 428,
+  MSACHTTPCodesNo429TooManyRequests = 429,
+  MSACHTTPCodesNo431RequestHeaderFieldsTooLarge = 431,
+  MSACHTTPCodesNo444NoResponseNginx = 444,
+  MSACHTTPCodesNo449RetryWithMicrosoft = 449,
+  MSACHTTPCodesNo450BlockedByWindowsParentalControls = 450,
+  MSACHTTPCodesNo451RedirectMicrosoft = 451,
+  MSACHTTPCodesNo451UnavailableForLegalReasons = 4510,
+  MSACHTTPCodesNo494RequestHeaderTooLargeNginx = 494,
+  MSACHTTPCodesNo495CertErrorNginx = 495,
+  MSACHTTPCodesNo496NoCertNginx = 496,
+  MSACHTTPCodesNo497HTTPToHTTPSNginx = 497,
+  MSACHTTPCodesNo499ClientClosedRequestNginx = 499,
+
+  // Server error
+  MSACHTTPCodesNo5XXSuccessUnknown = 5,
+  MSACHTTPCodesNo500InternalServerError = 500,
+  MSACHTTPCodesNo501NotImplemented = 501,
+  MSACHTTPCodesNo502BadGateway = 502,
+  MSACHTTPCodesNo503ServiceUnavailable = 503,
+  MSACHTTPCodesNo504GatewayTimeout = 504,
+  MSACHTTPCodesNo505HTTPVersionNotSupported = 505,
+  MSACHTTPCodesNo506VariantAlsoNegotiates = 506,
+  MSACHTTPCodesNo507InsufficientStorage = 507,
+  MSACHTTPCodesNo508LoopDetected = 508,
+  MSACHTTPCodesNo509BandwidthLimitExceeded = 509,
+  MSACHTTPCodesNo510NotExtended = 510,
+  MSACHTTPCodesNo511NetworkAuthenticationRequired = 511,
+  MSACHTTPCodesNo522ConnectionTimedOut = 522,
+  MSACHTTPCodesNo598NetworkReadTimeoutErrorUnknown = 598,
+  MSACHTTPCodesNo599NetworkConnectTimeoutErrorUnknown = 599
+} NS_SWIFT_NAME(HTTPCodesNo);
@@ -0,0 +1,71 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_CUSTOM_PROPERTIES_H
+#define MSAC_CUSTOM_PROPERTIES_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Custom properties builder.
+ * Collects multiple properties to send in one log.
+ */
+NS_SWIFT_NAME(CustomProperties)
+@interface MSACCustomProperties : NSObject
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setString:(NSString *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setNumber:(NSNumber *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setBool:(BOOL)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Set the specified property value with the specified key.
+ * If the properties previously contained a property for the key, the old value is replaced.
+ *
+ * @param key   Key with which the specified value is to be set.
+ * @param value Value to be set with the specified key.
+ *
+ * @return This instance.
+ */
+- (instancetype)setDate:(NSDate *)value forKey:(NSString *)key NS_SWIFT_NAME(set(_:forKey:));
+
+/**
+ * Clear the property for the specified key.
+ *
+ * @param key Key whose mapping is to be cleared.
+ *
+ * @return This instance.
+ */
+- (instancetype)clearPropertyForKey:(NSString *)key NS_SWIFT_NAME(clearProperty(forKey:));
+
+@end
+
+#endif
@@ -0,0 +1,101 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_DEVICE_H
+#define MSAC_DEVICE_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACWrapperSdk.h>)
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACWrapperSdk.h"
+#endif
+
+NS_SWIFT_NAME(Device)
+@interface MSACDevice : MSACWrapperSdk
+
+/*
+ * Name of the SDK. Consists of the name of the SDK and the platform, e.g. "appcenter.ios", "appcenter.android"
+ */
+@property(nonatomic, copy, readonly) NSString *sdkName;
+
+/*
+ * Version of the SDK in semver format, e.g. "1.2.0" or "0.12.3-alpha.1".
+ */
+@property(nonatomic, copy, readonly) NSString *sdkVersion;
+
+/*
+ * Device model (example: iPad2,3).
+ */
+@property(nonatomic, copy, readonly) NSString *model;
+
+/*
+ * Device manufacturer (example: HTC).
+ */
+@property(nonatomic, copy, readonly) NSString *oemName;
+
+/*
+ * OS name (example: iOS).
+ */
+@property(nonatomic, copy, readonly) NSString *osName;
+
+/*
+ * OS version (example: 9.3.0).
+ */
+@property(nonatomic, copy, readonly) NSString *osVersion;
+
+/*
+ * OS build code (example: LMY47X).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *osBuild;
+
+/*
+ * API level when applicable like in Android (example: 15). [optional]
+ */
+@property(nonatomic, copy, readonly) NSNumber *osApiLevel;
+
+/*
+ * Language code (example: en_US).
+ */
+@property(nonatomic, copy, readonly) NSString *locale;
+
+/*
+ * The offset in minutes from UTC for the device time zone, including daylight savings time.
+ */
+@property(nonatomic, readonly, strong) NSNumber *timeZoneOffset;
+
+/*
+ * Screen size of the device in pixels (example: 640x480).
+ */
+@property(nonatomic, copy, readonly) NSString *screenSize;
+
+/*
+ * Application version name, e.g. 1.1.0
+ */
+@property(nonatomic, copy, readonly) NSString *appVersion;
+
+/*
+ * Carrier name (for mobile devices). [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *carrierName;
+
+/*
+ * Carrier country code (for mobile devices). [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *carrierCountry;
+
+/*
+ * The app's build number, e.g. 42.
+ */
+@property(nonatomic, copy, readonly) NSString *appBuild;
+
+/*
+ * The bundle identifier, package identifier, or namespace, depending on what the individual plattforms use,  .e.g com.microsoft.example.
+ * [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *appNamespace;
+
+@end
+
+#endif
@@ -0,0 +1,27 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_ENABLE_H
+#define MSAC_ENABLE_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Protocol to define an instance that can be enabled/disabled.
+ */
+NS_SWIFT_NAME(Enable)
+@protocol MSACEnable <NSObject>
+
+@required
+
+/**
+ * Enable/disable this instance and delete data on disabled state.
+ *
+ * @param isEnabled  A boolean value set to YES to enable the instance or NO to disable it.
+ * @param deleteData A boolean value set to YES to delete data or NO to keep it.
+ */
+- (void)setEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deleteData NS_SWIFT_NAME(setEnabled(_:deleteDataOnDisabled:));
+
+@end
+
+#endif
@@ -0,0 +1,74 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_LOG_H
+#define MSAC_LOG_H
+
+#import <Foundation/Foundation.h>
+
+@class MSACDevice;
+
+NS_SWIFT_NAME(Log)
+@protocol MSACLog <NSObject>
+
+/**
+ * Log type.
+ */
+@property(nonatomic, copy) NSString *type;
+
+/**
+ * Log timestamp.
+ */
+@property(nonatomic, strong) NSDate *timestamp;
+
+/**
+ * A session identifier is used to correlate logs together. A session is an abstract concept in the API and is not necessarily an analytics
+ * session, it can be used to only track crashes.
+ */
+@property(nonatomic, copy) NSString *sid;
+
+/**
+ * Optional distribution group ID value.
+ */
+@property(nonatomic, copy) NSString *distributionGroupId;
+
+/**
+ * Optional user identifier.
+ */
+@property(nonatomic, copy) NSString *userId;
+
+/**
+ * Device properties associated to this log.
+ */
+@property(nonatomic, strong) MSACDevice *device;
+
+/**
+ * Transient object tag. For example, a log can be tagged with a transmission target. We do this currently to prevent properties being
+ * applied retroactively to previous logs by comparing their tags.
+ */
+@property(nonatomic, strong) NSObject *tag;
+
+/**
+ * Checks if the object's values are valid.
+ *
+ * @return YES, if the object is valid.
+ */
+- (BOOL)isValid;
+
+/**
+ * Adds a transmission target token that this log should be sent to.
+ *
+ * @param token The transmission target token.
+ */
+- (void)addTransmissionTargetToken:(NSString *)token;
+
+/**
+ * Gets all transmission target tokens that this log should be sent to.
+ *
+ * @returns Collection of transmission target tokens that this log should be sent to.
+ */
+- (NSSet *)transmissionTargetTokens;
+
+@end
+
+#endif
@@ -0,0 +1,25 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_LOG_WITH_PROPERTIES_H
+#define MSAC_LOG_WITH_PROPERTIES_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAbstractLog.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#else
+#import "MSACAbstractLog.h"
+#endif
+
+NS_SWIFT_NAME(LogWithProperties)
+@interface MSACLogWithProperties : MSACAbstractLog
+
+/**
+ * Additional key/value pair parameters. [optional]
+ */
+@property(nonatomic, strong) NSDictionary<NSString *, NSString *> *properties;
+
+@end
+
+#endif
@@ -0,0 +1,54 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef MSAC_LOGGER
+#define MSAC_LOGGER
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+#define MSACLog(_level, _tag, _message)                                                                                                    \
+  [MSACLogger logMessage:_message level:_level tag:_tag file:__FILE__ function:__PRETTY_FUNCTION__ line:__LINE__]
+#define MSACLogAssert(tag, format, ...)                                                                                                    \
+  MSACLog(MSACLogLevelAssert, tag, (^{                                                                                                     \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogError(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelError, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogWarning(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelWarning, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogInfo(tag, format, ...)                                                                                                      \
+  MSACLog(MSACLogLevelInfo, tag, (^{                                                                                                       \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogDebug(tag, format, ...)                                                                                                     \
+  MSACLog(MSACLogLevelDebug, tag, (^{                                                                                                      \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+#define MSACLogVerbose(tag, format, ...)                                                                                                   \
+  MSACLog(MSACLogLevelVerbose, tag, (^{                                                                                                    \
+            return [NSString stringWithFormat:(format), ##__VA_ARGS__];                                                                    \
+          }))
+
+NS_SWIFT_NAME(Logger)
+@interface MSACLogger : NSObject
+
+ (void)logMessage:(MSACLogMessageProvider)messageProvider
+             level:(MSACLogLevel)loglevel
+               tag:(NSString *)tag
+              file:(const char *)file
+          function:(const char *)function
+              line:(uint)line;
+
+@end
+
+#endif
@@ -0,0 +1,19 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#ifndef SERIALIZABLE_OBJECT_H
+#define SERIALIZABLE_OBJECT_H
+
+@protocol MSACSerializableObject <NSCoding>
+
+/**
+ * Serialize this object to a dictionary.
+ *
+ * @return A dictionary representing this object.
+ */
+- (NSMutableDictionary *)serializeToDictionary;
+
+@end
+#endif
@@ -0,0 +1,23 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_SERVICE_H
+#define MSAC_SERVICE_H
+
+#import <Foundation/Foundation.h>
+
+/**
+ * Protocol declaring service logic.
+ */
+NS_SWIFT_NAME(Service)
+@protocol MSACService <NSObject>
+
+/**
+ * Indicates whether this service is enabled.
+ * The state is persisted in the device's storage across application launches.
+ */
+@property(class, nonatomic, getter=isEnabled, setter=setEnabled:) BOOL enabled NS_SWIFT_NAME(enabled);
+
+@end
+
+#endif
@@ -0,0 +1,58 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_SERVICE_ABSTRACT_H
+#define MSAC_SERVICE_ABSTRACT_H
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACService.h>)
+#import <AppCenter/MSACService.h>
+#else
+#import "MSACService.h"
+#endif
+
+@protocol MSACChannelGroupProtocol;
+
+/**
+ * Abstraction of services common logic.
+ * This class is intended to be subclassed only not instantiated directly.
+ */
+NS_SWIFT_NAME(ServiceAbstract)
+@interface MSACServiceAbstract : NSObject <MSACService>
+
+/**
+ * The flag indicates whether the service is started from application or not.
+ */
+@property(nonatomic, assign) BOOL startedFromApplication;
+
+/**
+ * Start this service with a channel group. Also sets the flag that indicates that a service has been started.
+ *
+ * @param channelGroup channel group used to persist and send logs.
+ * @param appSecret app secret for the SDK.
+ * @param token default transmission target token for this service.
+ * @param fromApplication indicates whether the service started from an application or not.
+ */
+- (void)startWithChannelGroup:(id<MSACChannelGroupProtocol>)channelGroup
+                    appSecret:(NSString *)appSecret
+      transmissionTargetToken:(NSString *)token
+              fromApplication:(BOOL)fromApplication;
+
+/**
+ * Update configuration when the service requires to start again. This method should only be called if the service is started from libraries
+ * and then is being started from an application.
+ *
+ * @param appSecret app secret for the SDK.
+ * @param token default transmission target token for this service.
+ */
+- (void)updateConfigurationWithAppSecret:(NSString *)appSecret transmissionTargetToken:(NSString *)token;
+
+/**
+ * The flag indicate whether the service needs the application secret or not.
+ */
+@property(atomic, readonly) BOOL isAppSecretRequired;
+
+@end
+
+#endif
@@ -0,0 +1,21 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACConstants.h>)
+#import <AppCenter/MSACConstants.h>
+#else
+#import "MSACConstants.h"
+#endif
+
+/**
+ * This is a utility for producing App Center style log messages. It is only intended for use by App Center services and wrapper SDKs of App
+ * Center.
+ */
+NS_SWIFT_NAME(WrapperLogger)
+@interface MSACWrapperLogger : NSObject
+
+ (void)MSACWrapperLog:(MSACLogMessageProvider)message tag:(NSString *)tag level:(MSACLogLevel)level;
+
+@end
@@ -0,0 +1,60 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#ifndef MSAC_WRAPPER_SDK_H
+#define MSAC_WRAPPER_SDK_H
+
+#import <Foundation/Foundation.h>
+
+NS_SWIFT_NAME(WrapperSdk)
+@interface MSACWrapperSdk : NSObject
+
+/*
+ * Version of the wrapper SDK. When the SDK is embedding another base SDK (for example Xamarin.Android wraps Android), the Xamarin specific
+ * version is populated into this field while sdkVersion refers to the original Android SDK. [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperSdkVersion;
+
+/*
+ * Name of the wrapper SDK (examples: Xamarin, Cordova).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperSdkName;
+
+/*
+ * Version of the wrapper technology framework (Xamarin runtime version or ReactNative or Cordova etc...).  [optional]
+ */
+@property(nonatomic, copy, readonly) NSString *wrapperRuntimeVersion;
+
+/*
+ * Label that is used to identify application code 'version' released via Live Update beacon running on device.
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdateReleaseLabel;
+
+/*
+ * Identifier of environment that current application release belongs to, deployment key then maps to environment like Production, Staging.
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdateDeploymentKey;
+
+/*
+ * Hash of all files (ReactNative or Cordova) deployed to device via LiveUpdate beacon. Helps identify the Release version on device or need
+ * to download updates in future
+ */
+@property(nonatomic, copy, readonly) NSString *liveUpdatePackageHash;
+
+- (instancetype)initWithWrapperSdkVersion:(NSString *)wrapperSdkVersion
+                           wrapperSdkName:(NSString *)wrapperSdkName
+                    wrapperRuntimeVersion:(NSString *)wrapperRuntimeVersion
+                   liveUpdateReleaseLabel:(NSString *)liveUpdateReleaseLabel
+                  liveUpdateDeploymentKey:(NSString *)liveUpdateDeploymentKey
+                    liveUpdatePackageHash:(NSString *)liveUpdatePackageHash;
+
+/**
+ * Checks if the object's values are valid.
+ *
+ * @return YES, if the object is valid.
+ */
+- (BOOL)isValid;
+
+@end
+
+#endif
@@ -0,0 +1,13 @@
+framework module AppCenter {
+  umbrella header "AppCenter.h"
+  
+  export *
+  module * { export * }
+  
+  link framework "Foundation"
+  link framework "CoreTelephony"
+  link framework "SystemConfiguration"
+  link framework "UIKit"
+  link "sqlite3"
+  link "z"
+}
@@ -0,0 +1,114 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#import "MSACConstants+Flags.h"
+
+@protocol MSACChannelUnitProtocol;
+@protocol MSACChannelGroupProtocol;
+@protocol MSACChannelProtocol;
+@protocol MSACLog;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MSACChannelDelegate <NSObject>
+
+@optional
+
+/**
+ * A callback that is called when a channel unit is added to the channel group.
+ *
+ * @param channelGroup The channel group.
+ * @param channel The newly added channel.
+ */
+- (void)channelGroup:(id<MSACChannelGroupProtocol>)channelGroup didAddChannelUnit:(id<MSACChannelUnitProtocol>)channel;
+
+/**
+ * A callback that is called when a log is just enqueued. Delegates may want to prepare the log a little more before further processing.
+ *
+ * @param log The log to prepare.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel prepareLog:(id<MSACLog>)log;
+
+/**
+ * A callback that is called after a log is definitely prepared.
+ *
+ * @param log The log.
+ * @param internalId An internal Id to keep track of logs.
+ * @param flags Options for the log.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didPrepareLog:(id<MSACLog>)log internalId:(NSString *)internalId flags:(MSACFlags)flags;
+
+/**
+ * A callback that is called after a log completed the enqueueing process whether it was successful or not.
+ *
+ * @param log The log.
+ * @param internalId An internal Id to keep track of logs.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didCompleteEnqueueingLog:(id<MSACLog>)log internalId:(NSString *)internalId;
+
+/**
+ * Callback method that will be called before each log will be send to the server.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel willSendLog:(id<MSACLog>)log;
+
+/**
+ * Callback method that will be called in case the SDK was able to send a log.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didSucceedSendingLog:(id<MSACLog>)log;
+
+/**
+ * Callback method that will be called in case the SDK was unable to send a log.
+ *
+ * @param channel The channel object.
+ * @param log The log to be sent.
+ * @param error The error that occured.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didFailSendingLog:(id<MSACLog>)log withError:(nullable NSError *)error;
+
+/**
+ * A callback that is called when setEnabled has been invoked.
+ *
+ * @param channel The channel.
+ * @param isEnabled The boolean that indicates enabled.
+ * @param deletedData The boolean that indicates deleting data on disabled.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didSetEnabled:(BOOL)isEnabled andDeleteDataOnDisabled:(BOOL)deletedData;
+
+/**
+ * A callback that is called when pause has been invoked.
+ *
+ * @param channel The channel.
+ * @param identifyingObject The identifying object used to pause the channel.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didPauseWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * A callback that is called when resume has been invoked.
+ *
+ * @param channel The channel.
+ * @param identifyingObject The identifying object used to resume the channel.
+ */
+- (void)channel:(id<MSACChannelProtocol>)channel didResumeWithIdentifyingObject:(id<NSObject>)identifyingObject;
+
+/**
+ * Callback method that will determine if a log should be filtered out from the usual processing pipeline. If any delegate returns true, the
+ * log is filtered.
+ *
+ * @param channelUnit The channel unit that is going to send the log.
+ * @param log The log to be filtered or not.
+ *
+ * @return `true` if the log should be filtered out.
+ */
+- (BOOL)channelUnit:(id<MSACChannelUnitProtocol>)channelUnit shouldFilterLog:(id<MSACLog>)log;
+
+@end
+
+NS_ASSUME_NONNULL_END
@@ -0,0 +1,48 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>BuildMachineOSBuild</key>
+	<string>19H1323</string>
+	<key>CFBundleDevelopmentRegion</key>
+	<string>en</string>
+	<key>CFBundleExecutable</key>
+	<string>AppCenter</string>
+	<key>CFBundleIdentifier</key>
+	<string>com.microsoft.appcenter</string>
+	<key>CFBundleInfoDictionaryVersion</key>
+	<string>6.0</string>
+	<key>CFBundleName</key>
+	<string>AppCenter</string>
+	<key>CFBundlePackageType</key>
+	<string>FMWK</string>
+	<key>CFBundleShortVersionString</key>
+	<string>1</string>
+	<key>CFBundleSupportedPlatforms</key>
+	<array>
+		<string>MacOSX</string>
+	</array>
+	<key>CFBundleVersion</key>
+	<string>1.0</string>
+	<key>DTCompiler</key>
+	<string>com.apple.compilers.llvm.clang.1_0</string>
+	<key>DTPlatformBuild</key>
+	<string>11C505</string>
+	<key>DTPlatformVersion</key>
+	<string>GM</string>
+	<key>DTSDKBuild</key>
+	<string>19B90</string>
+	<key>DTSDKName</key>
+	<string>macosx10.15</string>
+	<key>DTXcode</key>
+	<string>1130</string>
+	<key>DTXcodeBuild</key>
+	<string>11C505</string>
+	<key>LSMinimumSystemVersion</key>
+	<string>10.15</string>
+	<key>UIDeviceFamily</key>
+	<array>
+		<integer>2</integer>
+	</array>
+</dict>
+</plist>
@@ -0,0 +1 @@
+Versions/Current/AppCenter
@@ -0,0 +1 @@
+Versions/Current/PrivateHeaders
@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation. All rights reserved.
+// Licensed under the MIT License.
+
+#import <Foundation/Foundation.h>
+
+#if __has_include(<AppCenter/MSACAppCenter.h>)
+#import <AppCenter/MSACAbstractLog.h>
+#import <AppCenter/MSACAppCenter.h>
+#import <AppCenter/MSACAppCenterErrors.h>
+#import <AppCenter/MSACChannelGroupProtocol.h>
+#import <AppCenter/MSACChannelProtocol.h>
+#import <AppCenter/MSACConstants+Flags.h>
+#import <AppCenter/MSACConstants.h>
+#import <AppCenter/MSACCustomProperties.h>
+#import <AppCenter/MSACDevice.h>
+#import <AppCenter/MSACEnable.h>
+#import <AppCenter/MSACLog.h>
+#import <AppCenter/MSACLogWithProperties.h>
+#import <AppCenter/MSACLogger.h>
+#import <AppCenter/MSACSerializableObject.h>
+#import <AppCenter/MSACService.h>
+#import <AppCenter/MSACServiceAbstract.h>
+#import <AppCenter/MSACWrapperLogger.h>
+#import <AppCenter/MSACWrapperSdk.h>
+#else
+#import "MSACAbstractLog.h"
+#import "MSACAppCenter.h"
+#import "MSACAppCenterErrors.h"
+#import "MSACChannelGroupProtocol.h"
+#import "MSACChannelProtocol.h"
+#import "MSACConstants+Flags.h"
+#import "MSACConstants.h"
+#import "MSACCustomProperties.h"
+#import "MSACDevice.h"
+#import "MSACEnable.h"
+#import "MSACLog.h"
+#import "MSACLogWithProperties.h"
+#import "MSACLogger.h"
+#import "MSACSerializableObject.h"
+#import "MSACService.h"
+#import "MSACServiceAbstract.h"
+#import "MSACWrapperLogger.h"
+#import "MSACWrapperSdk.h"
+#endif