// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Autogenerated from Pigeon (v2.0.3), do not edit directly.
// See also: https://pub.dev/packages/pigeon
// ignore_for_file: public_member_api_docs, non_constant_identifier_names, avoid_as, unused_import, unnecessary_parenthesis, prefer_null_aware_operators, omit_local_variable_types, unused_shown_name
// @dart = 2.12
import 'dart:async';
import 'dart:typed_data' show Uint8List, Int32List, Int64List, Float64List;

import 'package:flutter/foundation.dart' show WriteBuffer, ReadBuffer;
import 'package:flutter/services.dart';

enum NSKeyValueObservingOptionsEnum {
  newValue,
  oldValue,
  initialValue,
  priorNotification,
}

enum NSKeyValueChangeEnum {
  setting,
  insertion,
  removal,
  replacement,
}

enum NSKeyValueChangeKeyEnum {
  indexes,
  kind,
  newValue,
  notificationIsPrior,
  oldValue,
}

enum WKUserScriptInjectionTimeEnum {
  atDocumentStart,
  atDocumentEnd,
}

enum WKAudiovisualMediaTypeEnum {
  none,
  audio,
  video,
  all,
}

enum WKWebsiteDataTypesEnum {
  cookies,
  memoryCache,
  diskCache,
  offlineWebApplicationCache,
  localStroage,
  sessionStorage,
  sqlDatabases,
  indexedDBDatabases,
}

enum WKNavigationActionPolicyEnum {
  allow,
  cancel,
}

class NSKeyValueObservingOptionsEnumData {
  NSKeyValueObservingOptionsEnumData({
    this.value,
  });

  NSKeyValueObservingOptionsEnum? value;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['value'] = value == null ? null : value!.index;
    return pigeonMap;
  }

  static NSKeyValueObservingOptionsEnumData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return NSKeyValueObservingOptionsEnumData(
      value: pigeonMap['value'] != null
          ? NSKeyValueObservingOptionsEnum.values[pigeonMap['value']! as int]
          : null,
    );
  }
}

class WKUserScriptInjectionTimeEnumData {
  WKUserScriptInjectionTimeEnumData({
    this.value,
  });

  WKUserScriptInjectionTimeEnum? value;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['value'] = value == null ? null : value!.index;
    return pigeonMap;
  }

  static WKUserScriptInjectionTimeEnumData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WKUserScriptInjectionTimeEnumData(
      value: pigeonMap['value'] != null
          ? WKUserScriptInjectionTimeEnum.values[pigeonMap['value']! as int]
          : null,
    );
  }
}

class WKAudiovisualMediaTypeEnumData {
  WKAudiovisualMediaTypeEnumData({
    this.value,
  });

  WKAudiovisualMediaTypeEnum? value;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['value'] = value == null ? null : value!.index;
    return pigeonMap;
  }

  static WKAudiovisualMediaTypeEnumData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WKAudiovisualMediaTypeEnumData(
      value: pigeonMap['value'] != null
          ? WKAudiovisualMediaTypeEnum.values[pigeonMap['value']! as int]
          : null,
    );
  }
}

class WKWebsiteDataTypesEnumData {
  WKWebsiteDataTypesEnumData({
    this.value,
  });

  WKWebsiteDataTypesEnum? value;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['value'] = value == null ? null : value!.index;
    return pigeonMap;
  }

  static WKWebsiteDataTypesEnumData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WKWebsiteDataTypesEnumData(
      value: pigeonMap['value'] != null
          ? WKWebsiteDataTypesEnum.values[pigeonMap['value']! as int]
          : null,
    );
  }
}

class NSUrlRequestData {
  NSUrlRequestData({
    required this.url,
    this.httpMethod,
    this.httpBody,
    required this.allHttpHeaderFields,
  });

  String url;
  String? httpMethod;
  Uint8List? httpBody;
  Map<String?, String?> allHttpHeaderFields;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['url'] = url;
    pigeonMap['httpMethod'] = httpMethod;
    pigeonMap['httpBody'] = httpBody;
    pigeonMap['allHttpHeaderFields'] = allHttpHeaderFields;
    return pigeonMap;
  }

  static NSUrlRequestData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return NSUrlRequestData(
      url: pigeonMap['url']! as String,
      httpMethod: pigeonMap['httpMethod'] as String?,
      httpBody: pigeonMap['httpBody'] as Uint8List?,
      allHttpHeaderFields:
          (pigeonMap['allHttpHeaderFields'] as Map<Object?, Object?>?)!
              .cast<String?, String?>(),
    );
  }
}

class WKUserScriptData {
  WKUserScriptData({
    required this.source,
    this.injectionTime,
    required this.isMainFrameOnly,
  });

  String source;
  WKUserScriptInjectionTimeEnumData? injectionTime;
  bool isMainFrameOnly;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['source'] = source;
    pigeonMap['injectionTime'] =
        injectionTime == null ? null : injectionTime!.encode();
    pigeonMap['isMainFrameOnly'] = isMainFrameOnly;
    return pigeonMap;
  }

  static WKUserScriptData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WKUserScriptData(
      source: pigeonMap['source']! as String,
      injectionTime: pigeonMap['injectionTime'] != null
          ? WKUserScriptInjectionTimeEnumData.decode(
              pigeonMap['injectionTime']!)
          : null,
      isMainFrameOnly: pigeonMap['isMainFrameOnly']! as bool,
    );
  }
}

class _WKWebsiteDataStoreHostApiCodec extends StandardMessageCodec {
  const _WKWebsiteDataStoreHostApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is WKWebsiteDataTypesEnumData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

  @override
  Object? readValueOfType(int type, ReadBuffer buffer) {
    switch (type) {
      case 128:
        return WKWebsiteDataTypesEnumData.decode(readValue(buffer)!);

      default:
        return super.readValueOfType(type, buffer);
    }
  }
}

class WKWebsiteDataStoreHostApi {
  /// Constructor for [WKWebsiteDataStoreHostApi].  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.
  WKWebsiteDataStoreHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _WKWebsiteDataStoreHostApiCodec();

  Future<void> createFromWebViewConfiguration(
      int arg_instanceId, int arg_configurationInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebsiteDataStoreHostApi.createFromWebViewConfiguration',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_configurationInstanceId])
        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,
      double arg_secondsModifiedSinceEpoch) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebsiteDataStoreHostApi.removeDataOfTypes', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel.send(<Object?>[
      arg_instanceId,
      arg_dataTypes,
      arg_secondsModifiedSinceEpoch
    ]) 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as bool?)!;
    }
  }
}

class _UIViewHostApiCodec extends StandardMessageCodec {
  const _UIViewHostApiCodec();
}

class UIViewHostApi {
  /// Constructor for [UIViewHostApi].  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.
  UIViewHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _UIViewHostApiCodec();

  Future<List<double?>> getContentOffset(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIViewHostApi.getContentOffset', 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as List<Object?>?)!.cast<double?>();
    }
  }

  Future<void> setBackgroundColor(int arg_instanceId, int? arg_value) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIViewHostApi.setBackgroundColor', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_value]) 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> setOpaque(int arg_instanceId, bool arg_opaque) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIViewHostApi.setOpaque', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_opaque]) 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;
    }
  }
}

class _UIScrollViewHostApiCodec extends StandardMessageCodec {
  const _UIScrollViewHostApiCodec();
}

class UIScrollViewHostApi {
  /// Constructor for [UIScrollViewHostApi].  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.
  UIScrollViewHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _UIScrollViewHostApiCodec();

  Future<void> createFromWebView(
      int arg_instanceId, int arg_webViewInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIScrollViewHostApi.createFromWebView', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_webViewInstanceId])
            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<List<double?>> getContentOffset(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIScrollViewHostApi.getContentOffset', 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as List<Object?>?)!.cast<double?>();
    }
  }

  Future<void> scrollBy(int arg_instanceId, double arg_x, double arg_y) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIScrollViewHostApi.scrollBy', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_x, arg_y])
            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> setContentOffset(
      int arg_instanceId, double arg_x, double arg_y) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.UIScrollViewHostApi.setContentOffset', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_x, arg_y])
            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;
    }
  }
}

class _WKWebViewConfigurationHostApiCodec extends StandardMessageCodec {
  const _WKWebViewConfigurationHostApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is WKAudiovisualMediaTypeEnumData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

  @override
  Object? readValueOfType(int type, ReadBuffer buffer) {
    switch (type) {
      case 128:
        return WKAudiovisualMediaTypeEnumData.decode(readValue(buffer)!);

      default:
        return super.readValueOfType(type, buffer);
    }
  }
}

class WKWebViewConfigurationHostApi {
  /// Constructor for [WKWebViewConfigurationHostApi].  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.
  WKWebViewConfigurationHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec =
      _WKWebViewConfigurationHostApiCodec();

  Future<void> create(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewConfigurationHostApi.create', 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<void> createFromWebView(
      int arg_instanceId, int arg_webViewInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewConfigurationHostApi.createFromWebView',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_webViewInstanceId])
            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> setAllowsInlineMediaPlayback(
      int arg_instanceId, bool arg_allow) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewConfigurationHostApi.setAllowsInlineMediaPlayback',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_allow]) 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> setMediaTypesRequiringUserActionForPlayback(int arg_instanceId,
      List<WKAudiovisualMediaTypeEnumData?> arg_types) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewConfigurationHostApi.setMediaTypesRequiringUserActionForPlayback',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_types]) 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;
    }
  }
}

class _WKUserContentControllerHostApiCodec extends StandardMessageCodec {
  const _WKUserContentControllerHostApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is WKUserScriptData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else if (value is WKUserScriptInjectionTimeEnumData) {
      buffer.putUint8(129);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

  @override
  Object? readValueOfType(int type, ReadBuffer buffer) {
    switch (type) {
      case 128:
        return WKUserScriptData.decode(readValue(buffer)!);

      case 129:
        return WKUserScriptInjectionTimeEnumData.decode(readValue(buffer)!);

      default:
        return super.readValueOfType(type, buffer);
    }
  }
}

class WKUserContentControllerHostApi {
  /// Constructor for [WKUserContentControllerHostApi].  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.
  WKUserContentControllerHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec =
      _WKUserContentControllerHostApiCodec();

  Future<void> createFromWebViewConfiguration(
      int arg_instanceId, int arg_configurationInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.createFromWebViewConfiguration',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_configurationInstanceId])
        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> addScriptMessageHandler(
      int arg_instanceId, int arg_handlerInstanceid, String arg_name) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.addScriptMessageHandler',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_handlerInstanceid, arg_name])
        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> removeScriptMessageHandler(
      int arg_instanceId, String arg_name) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.removeScriptMessageHandler',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_name]) 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> removeAllScriptMessageHandlers(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.removeAllScriptMessageHandlers',
        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<void> addUserScript(
      int arg_instanceId, WKUserScriptData arg_userScript) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.addUserScript',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_userScript])
            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> removeAllUserScripts(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUserContentControllerHostApi.removeAllUserScripts',
        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;
    }
  }
}

class _WKPreferencesHostApiCodec extends StandardMessageCodec {
  const _WKPreferencesHostApiCodec();
}

class WKPreferencesHostApi {
  /// Constructor for [WKPreferencesHostApi].  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.
  WKPreferencesHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _WKPreferencesHostApiCodec();

  Future<void> createFromWebViewConfiguration(
      int arg_instanceId, int arg_configurationInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKPreferencesHostApi.createFromWebViewConfiguration',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_configurationInstanceId])
        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> setJavaScriptEnabled(
      int arg_instanceId, bool arg_enabled) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKPreferencesHostApi.setJavaScriptEnabled', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_enabled]) 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;
    }
  }
}

class _WKScriptMessageHandlerHostApiCodec extends StandardMessageCodec {
  const _WKScriptMessageHandlerHostApiCodec();
}

class WKScriptMessageHandlerHostApi {
  /// Constructor for [WKScriptMessageHandlerHostApi].  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.
  WKScriptMessageHandlerHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec =
      _WKScriptMessageHandlerHostApiCodec();

  Future<void> create(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKScriptMessageHandlerHostApi.create', 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;
    }
  }
}

class _WKNavigationDelegateHostApiCodec extends StandardMessageCodec {
  const _WKNavigationDelegateHostApiCodec();
}

class WKNavigationDelegateHostApi {
  /// Constructor for [WKNavigationDelegateHostApi].  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.
  WKNavigationDelegateHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec =
      _WKNavigationDelegateHostApiCodec();

  Future<void> create(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKNavigationDelegateHostApi.create', 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;
    }
  }
}

class _NSObjectHostApiCodec extends StandardMessageCodec {
  const _NSObjectHostApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is NSKeyValueObservingOptionsEnumData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

  @override
  Object? readValueOfType(int type, ReadBuffer buffer) {
    switch (type) {
      case 128:
        return NSKeyValueObservingOptionsEnumData.decode(readValue(buffer)!);

      default:
        return super.readValueOfType(type, buffer);
    }
  }
}

class NSObjectHostApi {
  /// Constructor for [NSObjectHostApi].  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.
  NSObjectHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _NSObjectHostApiCodec();

  Future<void> dispose(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.NSObjectHostApi.dispose', 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<void> addObserver(
      int arg_instanceId,
      int arg_observerInstanceId,
      String arg_keyPath,
      List<NSKeyValueObservingOptionsEnumData?> arg_options) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.NSObjectHostApi.addObserver', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel.send(<Object?>[
      arg_instanceId,
      arg_observerInstanceId,
      arg_keyPath,
      arg_options
    ]) 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> removeObserver(int arg_instanceId, int arg_observerInstanceId,
      String arg_keyPath) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.NSObjectHostApi.removeObserver', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel.send(
            <Object?>[arg_instanceId, arg_observerInstanceId, arg_keyPath])
        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;
    }
  }
}

class _WKWebViewHostApiCodec extends StandardMessageCodec {
  const _WKWebViewHostApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is NSUrlRequestData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

  @override
  Object? readValueOfType(int type, ReadBuffer buffer) {
    switch (type) {
      case 128:
        return NSUrlRequestData.decode(readValue(buffer)!);

      default:
        return super.readValueOfType(type, buffer);
    }
  }
}

class WKWebViewHostApi {
  /// Constructor for [WKWebViewHostApi].  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.
  WKWebViewHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _WKWebViewHostApiCodec();

  Future<void> create(
      int arg_instanceId, int arg_configurationInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.create', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_configurationInstanceId])
        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> setUIDelegate(
      int arg_instanceId, int? arg_uiDelegateInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.setUIDelegate', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_uiDelegateInstanceId])
            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> setNavigationDelegate(
      int arg_instanceId, int? arg_navigationDelegateInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.setNavigationDelegate', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_navigationDelegateInstanceId])
        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<String?> getUrl(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.getUrl', 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 (replyMap['result'] as String?);
    }
  }

  Future<double> getEstimatedProgress(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.getEstimatedProgress', 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as double?)!;
    }
  }

  Future<void> loadRequest(
      int arg_instanceId, NSUrlRequestData arg_request) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.loadRequest', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_request]) 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> loadHtmlString(
      int arg_instanceId, String arg_string, String? arg_baseUrl) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.loadHtmlString', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_string, arg_baseUrl])
            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> loadFileUrl(
      int arg_instanceId, String arg_url, String arg_readAccessUrl) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.loadFileUrl', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_url, arg_readAccessUrl])
        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> loadFlutterAsset(int arg_instanceId, String arg_key) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.loadFlutterAsset', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_key]) 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> canGoBack(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.canGoBack', 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as bool?)!;
    }
  }

  Future<bool> canGoForward(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.canGoForward', 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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as bool?)!;
    }
  }

  Future<void> goBack(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.goBack', 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<void> goForward(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.goForward', 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<void> reload(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.reload', 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<String?> getTitle(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.getTitle', 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 (replyMap['result'] as String?);
    }
  }

  Future<void> setAllowsBackForwardNavigationGestures(
      int arg_instanceId, bool arg_allow) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.setAllowsBackForwardNavigationGestures',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_allow]) 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> setCustomUserAgent(
      int arg_instanceId, String? arg_userAgent) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.setCustomUserAgent', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_userAgent])
            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<String> evaluateJavaScript(
      int arg_instanceId, String arg_javascriptString) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKWebViewHostApi.evaluateJavaScript', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_javascriptString])
            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 if (replyMap['result'] == null) {
      throw PlatformException(
        code: 'null-error',
        message: 'Host platform returned null value for non-null return value.',
      );
    } else {
      return (replyMap['result'] as String?)!;
    }
  }
}

class _WKUIDelegateHostApiCodec extends StandardMessageCodec {
  const _WKUIDelegateHostApiCodec();
}

class WKUIDelegateHostApi {
  /// Constructor for [WKUIDelegateHostApi].  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.
  WKUIDelegateHostApi({BinaryMessenger? binaryMessenger})
      : _binaryMessenger = binaryMessenger;

  final BinaryMessenger? _binaryMessenger;

  static const MessageCodec<Object?> codec = _WKUIDelegateHostApiCodec();

  Future<void> create(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WKUIDelegateHostApi.create', 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;
    }
  }
}