diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
index 5bf79a675be0..6e37826fd085 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/common/web_kit.pigeon.dart
@@ -61,6 +61,23 @@ enum WKNavigationActionPolicyEnum {
   cancel,
 }
 
+enum NSHttpCookiePropertyKeyEnum {
+  comment,
+  commentUrl,
+  discard,
+  domain,
+  expires,
+  maximumAge,
+  name,
+  originUrl,
+  path,
+  port,
+  sameSitePolicy,
+  secure,
+  value,
+  version,
+}
+
 class NSKeyValueObservingOptionsEnumData {
   NSKeyValueObservingOptionsEnumData({
     this.value,
@@ -153,6 +170,29 @@ class WKWebsiteDataTypesEnumData {
   }
 }
 
+class NSHttpCookiePropertyKeyEnumData {
+  NSHttpCookiePropertyKeyEnumData({
+    this.value,
+  });
+
+  NSHttpCookiePropertyKeyEnum? value;
+
+  Object encode() {
+    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
+    pigeonMap['value'] = value == null ? null : value!.index;
+    return pigeonMap;
+  }
+
+  static NSHttpCookiePropertyKeyEnumData decode(Object message) {
+    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
+    return NSHttpCookiePropertyKeyEnumData(
+      value: pigeonMap['value'] != null
+          ? NSHttpCookiePropertyKeyEnum.values[pigeonMap['value']! as int]
+          : null,
+    );
+  }
+}
+
 class NSUrlRequestData {
   NSUrlRequestData({
     required this.url,
@@ -221,6 +261,28 @@ class WKUserScriptData {
   }
 }
 
+class NSHttpCookieData {
+  NSHttpCookieData({
+    required this.properties,
+  });
+
+  Map<NSHttpCookiePropertyKeyEnumData?, String?> properties;
+
+  Object encode() {
+    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
+    pigeonMap['properties'] = properties;
+    return pigeonMap;
+  }
+
+  static NSHttpCookieData decode(Object message) {
+    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
+    return NSHttpCookieData(
+      properties: (pigeonMap['properties'] as Map<Object?, Object?>?)!
+          .cast<NSHttpCookiePropertyKeyEnumData?, String?>(),
+    );
+  }
+}
+
 class _WKWebsiteDataStoreHostApiCodec extends StandardMessageCodec {
   const _WKWebsiteDataStoreHostApiCodec();
   @override
@@ -283,6 +345,31 @@ class WKWebsiteDataStoreHostApi {
     }
   }
 
+  Future<void> createDefaultDataStore(int arg_instanceId) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.WKWebsiteDataStoreHostApi.createDefaultDataStore',
+        codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap =
+        await channel.send(<Object?>[arg_instanceId]) as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+      );
+    } else if (replyMap['error'] != null) {
+      final Map<Object?, Object?> error =
+          (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    } else {
+      return;
+    }
+  }
+
   Future<bool> removeDataOfTypes(
       int arg_instanceId,
       List<WKWebsiteDataTypesEnumData?> arg_dataTypes,
@@ -1686,3 +1773,97 @@ class WKUIDelegateHostApi {
     }
   }
 }
+
+class _WKHttpCookieStoreHostApiCodec extends StandardMessageCodec {
+  const _WKHttpCookieStoreHostApiCodec();
+  @override
+  void writeValue(WriteBuffer buffer, Object? value) {
+    if (value is NSHttpCookieData) {
+      buffer.putUint8(128);
+      writeValue(buffer, value.encode());
+    } else if (value is NSHttpCookiePropertyKeyEnumData) {
+      buffer.putUint8(129);
+      writeValue(buffer, value.encode());
+    } else {
+      super.writeValue(buffer, value);
+    }
+  }
+
+  @override
+  Object? readValueOfType(int type, ReadBuffer buffer) {
+    switch (type) {
+      case 128:
+        return NSHttpCookieData.decode(readValue(buffer)!);
+
+      case 129:
+        return NSHttpCookiePropertyKeyEnumData.decode(readValue(buffer)!);
+
+      default:
+        return super.readValueOfType(type, buffer);
+    }
+  }
+}
+
+class WKHttpCookieStoreHostApi {
+  /// Constructor for [WKHttpCookieStoreHostApi].  The [binaryMessenger] named argument is
+  /// available for dependency injection.  If it is left null, the default
+  /// BinaryMessenger will be used which routes to the host platform.
+  WKHttpCookieStoreHostApi({BinaryMessenger? binaryMessenger})
+      : _binaryMessenger = binaryMessenger;
+
+  final BinaryMessenger? _binaryMessenger;
+
+  static const MessageCodec<Object?> codec = _WKHttpCookieStoreHostApiCodec();
+
+  Future<void> createFromWebsiteDataStore(
+      int arg_instanceId, int arg_websiteDataStoreInstanceId) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.WKHttpCookieStoreHostApi.createFromWebsiteDataStore',
+        codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap = await channel
+            .send(<Object?>[arg_instanceId, arg_websiteDataStoreInstanceId])
+        as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+      );
+    } else if (replyMap['error'] != null) {
+      final Map<Object?, Object?> error =
+          (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    } else {
+      return;
+    }
+  }
+
+  Future<void> setCookie(
+      int arg_instanceId, NSHttpCookieData arg_cookie) async {
+    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+        'dev.flutter.pigeon.WKHttpCookieStoreHostApi.setCookie', codec,
+        binaryMessenger: _binaryMessenger);
+    final Map<Object?, Object?>? replyMap = await channel
+        .send(<Object?>[arg_instanceId, arg_cookie]) as Map<Object?, Object?>?;
+    if (replyMap == null) {
+      throw PlatformException(
+        code: 'channel-error',
+        message: 'Unable to establish connection on channel.',
+      );
+    } else if (replyMap['error'] != null) {
+      final Map<Object?, Object?> error =
+          (replyMap['error'] as Map<Object?, Object?>?)!;
+      throw PlatformException(
+        code: (error['code'] as String?)!,
+        message: error['message'] as String?,
+        details: error['details'],
+      );
+    } else {
+      return;
+    }
+  }
+}
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
index 416e2626fc4a..23f3d5a6d79d 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit.dart
@@ -251,7 +251,11 @@ class WKWebsiteDataStore {
         );
 
   factory WKWebsiteDataStore._defaultDataStore() {
-    throw UnimplementedError();
+    final WKWebsiteDataStore websiteDataStore = WKWebsiteDataStore._();
+    websiteDataStore._websiteDataStoreApi.createDefaultDataStoreForInstances(
+      websiteDataStore,
+    );
+    return websiteDataStore;
   }
 
   /// Constructs a [WKWebsiteDataStore] that is owned by [configuration].
@@ -301,20 +305,38 @@ class WKWebsiteDataStore {
 /// An object that manages the HTTP cookies associated with a particular web view.
 ///
 /// Wraps [WKHTTPCookieStore](https://developer.apple.com/documentation/webkit/wkhttpcookiestore?language=objc).
-class WKHttpCookieStore {
+class WKHttpCookieStore extends NSObject {
+  WKHttpCookieStore._({
+    BinaryMessenger? binaryMessenger,
+    InstanceManager? instanceManager,
+  }) : _httpCookieStoreApi = WKHttpCookieStoreHostApiImpl(
+          binaryMessenger: binaryMessenger,
+          instanceManager: instanceManager,
+        );
+
   /// Constructs a [WKHttpCookieStore] that is owned by [dataStore].
   @visibleForTesting
-  WKHttpCookieStore.fromWebsiteDataStore(
-    // TODO(bparrishMines): Remove ignore on implementation.
-    // ignore: avoid_unused_constructor_parameters
-    WKWebsiteDataStore dataStore,
-  ) {
-    throw UnimplementedError();
+  factory WKHttpCookieStore.fromWebsiteDataStore(
+    WKWebsiteDataStore dataStore, {
+    BinaryMessenger? binaryMessenger,
+    InstanceManager? instanceManager,
+  }) {
+    final WKHttpCookieStore cookieStore = WKHttpCookieStore._(
+      binaryMessenger: binaryMessenger,
+      instanceManager: instanceManager,
+    );
+    cookieStore._httpCookieStoreApi.createFromWebsiteDataStoreForInstances(
+      cookieStore,
+      dataStore,
+    );
+    return cookieStore;
   }
 
+  final WKHttpCookieStoreHostApiImpl _httpCookieStoreApi;
+
   /// Adds a cookie to the cookie store.
   Future<void> setCookie(NSHttpCookie cookie) {
-    throw UnimplementedError();
+    return _httpCookieStoreApi.setCookieForInsances(this, cookie);
   }
 }
 
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
index 1cda9d4b94c2..c55325087ac1 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/lib/src/web_kit/web_kit_api_impls.dart
@@ -44,6 +44,73 @@ Iterable<WKWebsiteDataTypesEnumData> _toWKWebsiteDataTypesEnumData(
   });
 }
 
+extension _NSHttpCookieConverter on NSHttpCookie {
+  NSHttpCookieData toNSHttpCookieData() {
+    return NSHttpCookieData(
+      properties: properties.map<NSHttpCookiePropertyKeyEnumData, String>(
+        (NSHttpCookiePropertyKey key, Object value) {
+          return MapEntry<NSHttpCookiePropertyKeyEnumData, String>(
+            key.toNSHttpCookiePropertyKeyEnumData(),
+            value.toString(),
+          );
+        },
+      ),
+    );
+  }
+}
+
+extension _NSHttpCookiePropertyKeyConverter on NSHttpCookiePropertyKey {
+  NSHttpCookiePropertyKeyEnumData toNSHttpCookiePropertyKeyEnumData() {
+    late final NSHttpCookiePropertyKeyEnum value;
+    switch (this) {
+      case NSHttpCookiePropertyKey.comment:
+        value = NSHttpCookiePropertyKeyEnum.comment;
+        break;
+      case NSHttpCookiePropertyKey.commentUrl:
+        value = NSHttpCookiePropertyKeyEnum.commentUrl;
+        break;
+      case NSHttpCookiePropertyKey.discard:
+        value = NSHttpCookiePropertyKeyEnum.discard;
+        break;
+      case NSHttpCookiePropertyKey.domain:
+        value = NSHttpCookiePropertyKeyEnum.domain;
+        break;
+      case NSHttpCookiePropertyKey.expires:
+        value = NSHttpCookiePropertyKeyEnum.expires;
+        break;
+      case NSHttpCookiePropertyKey.maximumAge:
+        value = NSHttpCookiePropertyKeyEnum.maximumAge;
+        break;
+      case NSHttpCookiePropertyKey.name:
+        value = NSHttpCookiePropertyKeyEnum.name;
+        break;
+      case NSHttpCookiePropertyKey.originUrl:
+        value = NSHttpCookiePropertyKeyEnum.originUrl;
+        break;
+      case NSHttpCookiePropertyKey.path:
+        value = NSHttpCookiePropertyKeyEnum.path;
+        break;
+      case NSHttpCookiePropertyKey.port:
+        value = NSHttpCookiePropertyKeyEnum.port;
+        break;
+      case NSHttpCookiePropertyKey.sameSitePolicy:
+        value = NSHttpCookiePropertyKeyEnum.sameSitePolicy;
+        break;
+      case NSHttpCookiePropertyKey.secure:
+        value = NSHttpCookiePropertyKeyEnum.secure;
+        break;
+      case NSHttpCookiePropertyKey.value:
+        value = NSHttpCookiePropertyKeyEnum.value;
+        break;
+      case NSHttpCookiePropertyKey.version:
+        value = NSHttpCookiePropertyKeyEnum.version;
+        break;
+    }
+
+    return NSHttpCookiePropertyKeyEnumData(value: value);
+  }
+}
+
 extension _WKUserScriptInjectionTimeConverter on WKUserScriptInjectionTime {
   WKUserScriptInjectionTimeEnumData toWKUserScriptInjectionTimeEnumData() {
     late final WKUserScriptInjectionTimeEnum value;
@@ -132,6 +199,16 @@ class WKWebsiteDataStoreHostApiImpl extends WKWebsiteDataStoreHostApi {
     }
   }
 
+  /// Calls [createDefaultDataStore] with the ids of the provided object instances.
+  Future<void> createDefaultDataStoreForInstances(
+    WKWebsiteDataStore instance,
+  ) async {
+    final int? instanceId = instanceManager.tryAddInstance(instance);
+    if (instanceId != null) {
+      await createDefaultDataStore(instanceId);
+    }
+  }
+
   /// Calls [removeDataOfTypes] with the ids of the provided object instances.
   Future<bool> removeDataOfTypesForInstances(
     WKWebsiteDataStore instance,
@@ -205,6 +282,44 @@ class WKPreferencesHostApiImpl extends WKPreferencesHostApi {
   }
 }
 
+/// Host api implementation for [WKHttpCookieStore].
+class WKHttpCookieStoreHostApiImpl extends WKHttpCookieStoreHostApi {
+  /// Constructs a [WKHttpCookieStoreHostApiImpl].
+  WKHttpCookieStoreHostApiImpl({
+    BinaryMessenger? binaryMessenger,
+    InstanceManager? instanceManager,
+  })  : instanceManager = instanceManager ?? InstanceManager.instance,
+        super(binaryMessenger: binaryMessenger);
+
+  /// Maintains instances stored to communicate with Objective-C objects.
+  final InstanceManager instanceManager;
+
+  /// Calls [createFromWebsiteDataStore] with the ids of the provided object instances.
+  Future<void> createFromWebsiteDataStoreForInstances(
+    WKHttpCookieStore instance,
+    WKWebsiteDataStore dataStore,
+  ) async {
+    final int? instanceId = instanceManager.tryAddInstance(instance);
+    if (instanceId != null) {
+      await createFromWebsiteDataStore(
+        instanceId,
+        instanceManager.getInstanceId(dataStore)!,
+      );
+    }
+  }
+
+  /// Calls [setCookie] with the ids of the provided object instances.
+  Future<void> setCookieForInsances(
+    WKHttpCookieStore instance,
+    NSHttpCookie cookie,
+  ) {
+    return setCookie(
+      instanceManager.getInstanceId(instance)!,
+      cookie.toNSHttpCookieData(),
+    );
+  }
+}
+
 /// Host api implementation for [WKUserContentController].
 class WKUserContentControllerHostApiImpl
     extends WKUserContentControllerHostApi {
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart b/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
index 370149e638ff..39ff20a7743b 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/pigeons/web_kit.dart
@@ -117,6 +117,30 @@ class WKNavigationActionPolicyEnumData {
   late WKNavigationActionPolicyEnum? value;
 }
 
+/// Mirror of NSHTTPCookiePropertyKey.
+///
+/// See https://developer.apple.com/documentation/foundation/nshttpcookiepropertykey.
+enum NSHttpCookiePropertyKeyEnum {
+  comment,
+  commentUrl,
+  discard,
+  domain,
+  expires,
+  maximumAge,
+  name,
+  originUrl,
+  path,
+  port,
+  sameSitePolicy,
+  secure,
+  value,
+  version,
+}
+
+class NSHttpCookiePropertyKeyEnumData {
+  late NSHttpCookiePropertyKeyEnum? value;
+}
+
 /// Mirror of NSURLRequest.
 ///
 /// See https://developer.apple.com/documentation/foundation/nsurlrequest?language=objc.
@@ -168,6 +192,13 @@ class WKScriptMessageData {
   late Object? body;
 }
 
+/// Mirror of NSHttpCookieData.
+///
+/// See https://developer.apple.com/documentation/foundation/nshttpcookie?language=objc.
+class NSHttpCookieData {
+  late Map<NSHttpCookiePropertyKeyEnumData?, String?> properties;
+}
+
 /// Mirror of WKWebsiteDataStore.
 ///
 /// See https://developer.apple.com/documentation/webkit/wkwebsitedatastore?language=objc.
@@ -178,6 +209,8 @@ abstract class WKWebsiteDataStoreHostApi {
     int configurationInstanceId,
   );
 
+  void createDefaultDataStore(int instanceId);
+
   @async
   bool removeDataOfTypes(
     int instanceId,
@@ -350,3 +383,16 @@ abstract class WKWebViewHostApi {
 abstract class WKUIDelegateHostApi {
   void create(int instanceId);
 }
+
+/// Mirror of WKHttpCookieStore.
+///
+/// See https://developer.apple.com/documentation/webkit/wkhttpcookiestore?language=objc.
+@HostApi(dartHostTestHandler: 'TestWKHttpCookieStoreHostApi')
+abstract class WKHttpCookieStoreHostApi {
+  void createFromWebsiteDataStore(
+    int instanceId,
+    int websiteDataStoreInstanceId,
+  );
+
+  void setCookie(int instanceId, NSHttpCookieData cookie);
+}
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
index 0e369a351c75..cf2030cbf893 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/common/test_web_kit.pigeon.dart
@@ -44,6 +44,7 @@ abstract class TestWKWebsiteDataStoreHostApi {
 
   void createFromWebViewConfiguration(
       int instanceId, int configurationInstanceId);
+  void createDefaultDataStore(int instanceId);
   Future<bool> removeDataOfTypes(
       int instanceId,
       List<WKWebsiteDataTypesEnumData?> dataTypes,
@@ -74,6 +75,26 @@ abstract class TestWKWebsiteDataStoreHostApi {
         });
       }
     }
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.WKWebsiteDataStoreHostApi.createDefaultDataStore',
+          codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMockMessageHandler(null);
+      } else {
+        channel.setMockMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.WKWebsiteDataStoreHostApi.createDefaultDataStore was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_instanceId = (args[0] as int?);
+          assert(arg_instanceId != null,
+              'Argument for dev.flutter.pigeon.WKWebsiteDataStoreHostApi.createDefaultDataStore was null, expected non-null int.');
+          api.createDefaultDataStore(arg_instanceId!);
+          return <Object?, Object?>{};
+        });
+      }
+    }
     {
       final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
           'dev.flutter.pigeon.WKWebsiteDataStoreHostApi.removeDataOfTypes',
@@ -1306,3 +1327,91 @@ abstract class TestWKUIDelegateHostApi {
     }
   }
 }
+
+class _TestWKHttpCookieStoreHostApiCodec extends StandardMessageCodec {
+  const _TestWKHttpCookieStoreHostApiCodec();
+  @override
+  void writeValue(WriteBuffer buffer, Object? value) {
+    if (value is NSHttpCookieData) {
+      buffer.putUint8(128);
+      writeValue(buffer, value.encode());
+    } else if (value is NSHttpCookiePropertyKeyEnumData) {
+      buffer.putUint8(129);
+      writeValue(buffer, value.encode());
+    } else {
+      super.writeValue(buffer, value);
+    }
+  }
+
+  @override
+  Object? readValueOfType(int type, ReadBuffer buffer) {
+    switch (type) {
+      case 128:
+        return NSHttpCookieData.decode(readValue(buffer)!);
+
+      case 129:
+        return NSHttpCookiePropertyKeyEnumData.decode(readValue(buffer)!);
+
+      default:
+        return super.readValueOfType(type, buffer);
+    }
+  }
+}
+
+abstract class TestWKHttpCookieStoreHostApi {
+  static const MessageCodec<Object?> codec =
+      _TestWKHttpCookieStoreHostApiCodec();
+
+  void createFromWebsiteDataStore(
+      int instanceId, int websiteDataStoreInstanceId);
+  void setCookie(int instanceId, NSHttpCookieData cookie);
+  static void setup(TestWKHttpCookieStoreHostApi? api,
+      {BinaryMessenger? binaryMessenger}) {
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.WKHttpCookieStoreHostApi.createFromWebsiteDataStore',
+          codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMockMessageHandler(null);
+      } else {
+        channel.setMockMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.createFromWebsiteDataStore was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_instanceId = (args[0] as int?);
+          assert(arg_instanceId != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.createFromWebsiteDataStore was null, expected non-null int.');
+          final int? arg_websiteDataStoreInstanceId = (args[1] as int?);
+          assert(arg_websiteDataStoreInstanceId != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.createFromWebsiteDataStore was null, expected non-null int.');
+          api.createFromWebsiteDataStore(
+              arg_instanceId!, arg_websiteDataStoreInstanceId!);
+          return <Object?, Object?>{};
+        });
+      }
+    }
+    {
+      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
+          'dev.flutter.pigeon.WKHttpCookieStoreHostApi.setCookie', codec,
+          binaryMessenger: binaryMessenger);
+      if (api == null) {
+        channel.setMockMessageHandler(null);
+      } else {
+        channel.setMockMessageHandler((Object? message) async {
+          assert(message != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.setCookie was null.');
+          final List<Object?> args = (message as List<Object?>?)!;
+          final int? arg_instanceId = (args[0] as int?);
+          assert(arg_instanceId != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.setCookie was null, expected non-null int.');
+          final NSHttpCookieData? arg_cookie = (args[1] as NSHttpCookieData?);
+          assert(arg_cookie != null,
+              'Argument for dev.flutter.pigeon.WKHttpCookieStoreHostApi.setCookie was null, expected non-null NSHttpCookieData.');
+          api.setCookie(arg_instanceId!, arg_cookie!);
+          return <Object?, Object?>{};
+        });
+      }
+    }
+  }
+}
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart
index a08680940bcc..007c2bc32252 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart
@@ -25,7 +25,7 @@ void main() {
       instanceManager = InstanceManager();
     });
 
-    group('$NSObject', () {
+    group('NSObject', () {
       late MockTestNSObjectHostApi mockPlatformHostApi;
 
       late NSObject object;
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
index b8552c5d8157..7bd208eeac05 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/foundation/foundation_test.mocks.dart
@@ -1,5 +1,5 @@
 // Mocks generated by Mockito 5.1.0 from annotations
-// in webview_flutter_wkwebview/test/src/foundation/foundation_test.dart.
+// in webview_flutter_wkwebview/example/ios/.symlinks/plugins/webview_flutter_wkwebview/test/src/foundation/foundation_test.dart.
 // Do not manually edit this file.
 
 import 'package:mockito/mockito.dart' as _i1;
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/ui_kit/ui_kit_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/ui_kit/ui_kit_test.dart
index b6c50609552f..7db190f8192c 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/ui_kit/ui_kit_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/ui_kit/ui_kit_test.dart
@@ -31,7 +31,7 @@ void main() {
       instanceManager = InstanceManager();
     });
 
-    group('$UIScrollView', () {
+    group('UIScrollView', () {
       late MockTestUIScrollViewHostApi mockPlatformHostApi;
 
       late UIScrollView scrollView;
@@ -87,7 +87,7 @@ void main() {
       });
     });
 
-    group('$UIView', () {
+    group('UIView', () {
       late MockTestUIViewHostApi mockPlatformHostApi;
 
       late UIView view;
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
index aa77157efcf7..457b0450cf6f 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart
@@ -14,6 +14,7 @@ import '../common/test_web_kit.pigeon.dart';
 import 'web_kit_test.mocks.dart';
 
 @GenerateMocks(<Type>[
+  TestWKHttpCookieStoreHostApi,
   TestWKNavigationDelegateHostApi,
   TestWKPreferencesHostApi,
   TestWKScriptMessageHandlerHostApi,
@@ -33,7 +34,7 @@ void main() {
       instanceManager = InstanceManager();
     });
 
-    group('$WKWebsiteDataStore', () {
+    group('WKWebsiteDataStore', () {
       late MockTestWKWebsiteDataStoreHostApi mockPlatformHostApi;
 
       late WKWebsiteDataStore websiteDataStore;
@@ -69,6 +70,16 @@ void main() {
         ));
       });
 
+      test('createDefaultDataStore', () {
+        final WKWebsiteDataStore defaultDataStore =
+            WKWebsiteDataStore.defaultDataStore;
+        verify(
+          mockPlatformHostApi.createDefaultDataStore(
+            InstanceManager.instance.getInstanceId(defaultDataStore),
+          ),
+        );
+      });
+
       test('removeDataOfTypes', () {
         when(mockPlatformHostApi.removeDataOfTypes(
           any,
@@ -96,7 +107,70 @@ void main() {
       });
     });
 
-    group('$WKScriptMessageHandler', () {
+    group('WKHttpCookieStore', () {
+      late MockTestWKHttpCookieStoreHostApi mockPlatformHostApi;
+
+      late WKHttpCookieStore httpCookieStore;
+
+      late WKWebsiteDataStore websiteDataStore;
+
+      setUp(() {
+        mockPlatformHostApi = MockTestWKHttpCookieStoreHostApi();
+        TestWKHttpCookieStoreHostApi.setup(mockPlatformHostApi);
+
+        TestWKWebViewConfigurationHostApi.setup(
+          MockTestWKWebViewConfigurationHostApi(),
+        );
+        TestWKWebsiteDataStoreHostApi.setup(
+          MockTestWKWebsiteDataStoreHostApi(),
+        );
+
+        websiteDataStore = WKWebsiteDataStore.fromWebViewConfiguration(
+          WKWebViewConfiguration(instanceManager: instanceManager),
+          instanceManager: instanceManager,
+        );
+
+        httpCookieStore = WKHttpCookieStore.fromWebsiteDataStore(
+          websiteDataStore,
+          instanceManager: instanceManager,
+        );
+      });
+
+      tearDown(() {
+        TestWKHttpCookieStoreHostApi.setup(null);
+        TestWKWebsiteDataStoreHostApi.setup(null);
+        TestWKWebViewConfigurationHostApi.setup(null);
+      });
+
+      test('createFromWebsiteDataStore', () {
+        verify(mockPlatformHostApi.createFromWebsiteDataStore(
+          instanceManager.getInstanceId(httpCookieStore),
+          instanceManager.getInstanceId(websiteDataStore),
+        ));
+      });
+
+      test('setCookie', () async {
+        await httpCookieStore.setCookie(
+            const NSHttpCookie.withProperties(<NSHttpCookiePropertyKey, Object>{
+          NSHttpCookiePropertyKey.comment: 'aComment',
+        }));
+
+        final NSHttpCookieData cookie = verify(
+          mockPlatformHostApi.setCookie(
+            instanceManager.getInstanceId(httpCookieStore)!,
+            captureAny,
+          ),
+        ).captured.single as NSHttpCookieData;
+
+        expect(
+          cookie.properties.entries.single.key!.value,
+          NSHttpCookiePropertyKeyEnum.comment,
+        );
+        expect(cookie.properties.entries.single.value, 'aComment');
+      });
+    });
+
+    group('WKScriptMessageHandler', () {
       late MockTestWKScriptMessageHandlerHostApi mockPlatformHostApi;
 
       late WKScriptMessageHandler scriptMessageHandler;
@@ -121,7 +195,7 @@ void main() {
       });
     });
 
-    group('$WKPreferences', () {
+    group('WKPreferences', () {
       late MockTestWKPreferencesHostApi mockPlatformHostApi;
 
       late WKPreferences preferences;
@@ -166,7 +240,7 @@ void main() {
       });
     });
 
-    group('$WKUserContentController', () {
+    group('WKUserContentController', () {
       late MockTestWKUserContentControllerHostApi mockPlatformHostApi;
 
       late WKUserContentController userContentController;
@@ -254,7 +328,7 @@ void main() {
       });
     });
 
-    group('$WKWebViewConfiguration', () {
+    group('WKWebViewConfiguration', () {
       late MockTestWKWebViewConfigurationHostApi mockPlatformHostApi;
 
       late WKWebViewConfiguration webViewConfiguration;
@@ -326,7 +400,7 @@ void main() {
       });
     });
 
-    group('$WKNavigationDelegate', () {
+    group('WKNavigationDelegate', () {
       late MockTestWKNavigationDelegateHostApi mockPlatformHostApi;
 
       late WKNavigationDelegate navigationDelegate;
@@ -351,7 +425,7 @@ void main() {
       });
     });
 
-    group('$WKWebView', () {
+    group('WKWebView', () {
       late MockTestWKWebViewHostApi mockPlatformHostApi;
 
       late WKWebViewConfiguration webViewConfiguration;
@@ -514,7 +588,7 @@ void main() {
       });
     });
 
-    group('$WKUIDelegate', () {
+    group('WKUIDelegate', () {
       late MockTestWKUIDelegateHostApi mockPlatformHostApi;
 
       late WKUIDelegate uiDelegate;
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
index 9629e2e62636..c98df38d7b1e 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.mocks.dart
@@ -1,5 +1,5 @@
 // Mocks generated by Mockito 5.1.0 from annotations
-// in webview_flutter_wkwebview/example/ios/.symlinks/plugins/webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart.
+// in webview_flutter_wkwebview/test/src/web_kit/web_kit_test.dart.
 // Do not manually edit this file.
 
 import 'dart:async' as _i4;
@@ -20,6 +20,28 @@ import '../common/test_web_kit.pigeon.dart' as _i2;
 // ignore_for_file: unnecessary_parenthesis
 // ignore_for_file: camel_case_types
 
+/// A class which mocks [TestWKHttpCookieStoreHostApi].
+///
+/// See the documentation for Mockito's code generation for more information.
+class MockTestWKHttpCookieStoreHostApi extends _i1.Mock
+    implements _i2.TestWKHttpCookieStoreHostApi {
+  MockTestWKHttpCookieStoreHostApi() {
+    _i1.throwOnMissingStub(this);
+  }
+
+  @override
+  void createFromWebsiteDataStore(
+          int? instanceId, int? websiteDataStoreInstanceId) =>
+      super.noSuchMethod(
+          Invocation.method(#createFromWebsiteDataStore,
+              [instanceId, websiteDataStoreInstanceId]),
+          returnValueForMissingStub: null);
+  @override
+  void setCookie(int? instanceId, _i3.NSHttpCookieData? cookie) =>
+      super.noSuchMethod(Invocation.method(#setCookie, [instanceId, cookie]),
+          returnValueForMissingStub: null);
+}
+
 /// A class which mocks [TestWKNavigationDelegateHostApi].
 ///
 /// See the documentation for Mockito's code generation for more information.
@@ -275,6 +297,10 @@ class MockTestWKWebsiteDataStoreHostApi extends _i1.Mock
               [instanceId, configurationInstanceId]),
           returnValueForMissingStub: null);
   @override
+  void createDefaultDataStore(int? instanceId) => super.noSuchMethod(
+      Invocation.method(#createDefaultDataStore, [instanceId]),
+      returnValueForMissingStub: null);
+  @override
   _i4.Future<bool> removeDataOfTypes(
           int? instanceId,
           List<_i3.WKWebsiteDataTypesEnumData?>? dataTypes,
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.dart
index 4529316d3159..5238c0bb2c56 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.dart
@@ -11,7 +11,6 @@ import 'package:webview_flutter_platform_interface/webview_flutter_platform_inte
 import 'package:webview_flutter_wkwebview/src/foundation/foundation.dart';
 import 'package:webview_flutter_wkwebview/src/web_kit/web_kit.dart';
 import 'package:webview_flutter_wkwebview/src/web_kit_cookie_manager.dart';
-import 'package:webview_flutter_wkwebview/src/web_kit_webview_widget.dart';
 
 import 'web_kit_cookie_manager_test.mocks.dart';
 
@@ -22,7 +21,7 @@ import 'web_kit_cookie_manager_test.mocks.dart';
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  group('$WebKitWebViewWidget', () {
+  group('WebKitWebViewWidget', () {
     late MockWKWebsiteDataStore mockWebsiteDataStore;
     late MockWKHttpCookieStore mockWKHttpCookieStore;
 
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.mocks.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.mocks.dart
index 88025d3d9465..a85c57f7bdb3 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.mocks.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_cookie_manager_test.mocks.dart
@@ -35,6 +35,33 @@ class MockWKHttpCookieStore extends _i1.Mock implements _i2.WKHttpCookieStore {
       (super.noSuchMethod(Invocation.method(#setCookie, [cookie]),
           returnValue: Future<void>.value(),
           returnValueForMissingStub: Future<void>.value()) as _i3.Future<void>);
+  @override
+  _i3.Future<void> addObserver(_i4.NSObject? observer,
+          {String? keyPath, Set<_i4.NSKeyValueObservingOptions>? options}) =>
+      (super.noSuchMethod(
+          Invocation.method(
+              #addObserver, [observer], {#keyPath: keyPath, #options: options}),
+          returnValue: Future<void>.value(),
+          returnValueForMissingStub: Future<void>.value()) as _i3.Future<void>);
+  @override
+  _i3.Future<void> removeObserver(_i4.NSObject? observer, {String? keyPath}) =>
+      (super.noSuchMethod(
+          Invocation.method(#removeObserver, [observer], {#keyPath: keyPath}),
+          returnValue: Future<void>.value(),
+          returnValueForMissingStub: Future<void>.value()) as _i3.Future<void>);
+  @override
+  _i3.Future<void> dispose() =>
+      (super.noSuchMethod(Invocation.method(#dispose, []),
+          returnValue: Future<void>.value(),
+          returnValueForMissingStub: Future<void>.value()) as _i3.Future<void>);
+  @override
+  _i3.Future<void> setObserveValue(
+          void Function(
+                  String, _i4.NSObject, Map<_i4.NSKeyValueChangeKey, Object?>)?
+              observeValue) =>
+      (super.noSuchMethod(Invocation.method(#setObserveValue, [observeValue]),
+          returnValue: Future<void>.value(),
+          returnValueForMissingStub: Future<void>.value()) as _i3.Future<void>);
 }
 
 /// A class which mocks [WKWebsiteDataStore].
diff --git a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart
index 86ee1a99b949..8c104bdb3ee2 100644
--- a/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart
+++ b/packages/webview_flutter/webview_flutter_wkwebview/test/src/web_kit_webview_widget_test.dart
@@ -37,7 +37,7 @@ import 'web_kit_webview_widget_test.mocks.dart';
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
 
-  group('$WebKitWebViewWidget', () {
+  group('WebKitWebViewWidget', () {
     late MockWKWebView mockWebView;
     late MockWebViewWidgetProxy mockWebViewWidgetProxy;
     late MockWKUserContentController mockUserContentController;
@@ -135,7 +135,7 @@ void main() {
       verify(mockWebView.loadRequest(request));
     });
 
-    group('$CreationParams', () {
+    group('CreationParams', () {
       testWidgets('initialUrl', (WidgetTester tester) async {
         await buildWidget(
           tester,
@@ -258,7 +258,7 @@ void main() {
         expect(javaScriptChannels[3], 'b');
       });
 
-      group('$WebSettings', () {
+      group('WebSettings', () {
         testWidgets('javascriptMode', (WidgetTester tester) async {
           await buildWidget(
             tester,
@@ -427,7 +427,7 @@ void main() {
       });
     });
 
-    group('$WebKitWebViewPlatformController', () {
+    group('WebKitWebViewPlatformController', () {
       testWidgets('loadFile', (WidgetTester tester) async {
         await buildWidget(tester);
 
@@ -901,7 +901,7 @@ void main() {
       });
     });
 
-    group('$WebViewPlatformCallbacksHandler', () {
+    group('WebViewPlatformCallbacksHandler', () {
       testWidgets('onPageStarted', (WidgetTester tester) async {
         await buildWidget(tester);
 
@@ -1074,7 +1074,7 @@ void main() {
       });
     });
 
-    group('$JavascriptChannelRegistry', () {
+    group('JavascriptChannelRegistry', () {
       testWidgets('onJavascriptChannelMessage', (WidgetTester tester) async {
         when(mockWebViewWidgetProxy.createScriptMessageHandler()).thenReturn(
           MockWKScriptMessageHandler(),