// 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 (v3.2.0), 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';

class WebResourceRequestData {
  WebResourceRequestData({
    required this.url,
    required this.isForMainFrame,
    this.isRedirect,
    required this.hasGesture,
    required this.method,
    required this.requestHeaders,
  });

  String url;
  bool isForMainFrame;
  bool? isRedirect;
  bool hasGesture;
  String method;
  Map<String?, String?> requestHeaders;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['url'] = url;
    pigeonMap['isForMainFrame'] = isForMainFrame;
    pigeonMap['isRedirect'] = isRedirect;
    pigeonMap['hasGesture'] = hasGesture;
    pigeonMap['method'] = method;
    pigeonMap['requestHeaders'] = requestHeaders;
    return pigeonMap;
  }

  static WebResourceRequestData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WebResourceRequestData(
      url: pigeonMap['url']! as String,
      isForMainFrame: pigeonMap['isForMainFrame']! as bool,
      isRedirect: pigeonMap['isRedirect'] as bool?,
      hasGesture: pigeonMap['hasGesture']! as bool,
      method: pigeonMap['method']! as String,
      requestHeaders: (pigeonMap['requestHeaders'] as Map<Object?, Object?>?)!
          .cast<String?, String?>(),
    );
  }
}

class WebResourceErrorData {
  WebResourceErrorData({
    required this.errorCode,
    required this.description,
  });

  int errorCode;
  String description;

  Object encode() {
    final Map<Object?, Object?> pigeonMap = <Object?, Object?>{};
    pigeonMap['errorCode'] = errorCode;
    pigeonMap['description'] = description;
    return pigeonMap;
  }

  static WebResourceErrorData decode(Object message) {
    final Map<Object?, Object?> pigeonMap = message as Map<Object?, Object?>;
    return WebResourceErrorData(
      errorCode: pigeonMap['errorCode']! as int,
      description: pigeonMap['description']! as String,
    );
  }
}

class _JavaObjectHostApiCodec extends StandardMessageCodec {
  const _JavaObjectHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> dispose(int arg_identifier) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.JavaObjectHostApi.dispose', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_identifier]) 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 _JavaObjectFlutterApiCodec extends StandardMessageCodec {
  const _JavaObjectFlutterApiCodec();
}

abstract class JavaObjectFlutterApi {
  static const MessageCodec<Object?> codec = _JavaObjectFlutterApiCodec();

  void dispose(int identifier);
  static void setup(JavaObjectFlutterApi? api,
      {BinaryMessenger? binaryMessenger}) {
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.JavaObjectFlutterApi.dispose', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.JavaObjectFlutterApi.dispose was null.');
          final List<Object?> args = (message as List<Object?>?)!;
          final int? arg_identifier = (args[0] as int?);
          assert(arg_identifier != null,
              'Argument for dev.flutter.pigeon.JavaObjectFlutterApi.dispose was null, expected non-null int.');
          api.dispose(arg_identifier!);
          return;
        });
      }
    }
  }
}

class _CookieManagerHostApiCodec extends StandardMessageCodec {
  const _CookieManagerHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<bool> clearCookies() async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.CookieManagerHostApi.clearCookies', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(null) 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> setCookie(String arg_url, String arg_value) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.CookieManagerHostApi.setCookie', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_url, 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;
    }
  }
}

class _WebViewHostApiCodec extends StandardMessageCodec {
  const _WebViewHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(int arg_instanceId, bool arg_useHybridComposition) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.create', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_useHybridComposition])
            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> dispose(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.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> loadData(int arg_instanceId, String arg_data,
      String? arg_mimeType, String? arg_encoding) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.loadData', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel.send(
            <Object?>[arg_instanceId, arg_data, arg_mimeType, arg_encoding])
        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> loadDataWithBaseUrl(
      int arg_instanceId,
      String? arg_baseUrl,
      String arg_data,
      String? arg_mimeType,
      String? arg_encoding,
      String? arg_historyUrl) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.loadDataWithBaseUrl', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel.send(<Object?>[
      arg_instanceId,
      arg_baseUrl,
      arg_data,
      arg_mimeType,
      arg_encoding,
      arg_historyUrl
    ]) 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> loadUrl(int arg_instanceId, String arg_url,
      Map<String?, String?> arg_headers) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.loadUrl', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_url, arg_headers])
            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> postUrl(
      int arg_instanceId, String arg_url, Uint8List arg_data) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.postUrl', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_url, arg_data])
            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.WebViewHostApi.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<bool> canGoBack(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.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.WebViewHostApi.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.WebViewHostApi.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.WebViewHostApi.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.WebViewHostApi.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<void> clearCache(int arg_instanceId, bool arg_includeDiskFiles) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.clearCache', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_includeDiskFiles])
            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.WebViewHostApi.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 {
      return (replyMap['result'] as String?);
    }
  }

  Future<String?> getTitle(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.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> scrollTo(int arg_instanceId, int arg_x, int arg_y) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.scrollTo', 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> scrollBy(int arg_instanceId, int arg_x, int arg_y) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.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<int> getScrollX(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.getScrollX', 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 int?)!;
    }
  }

  Future<int> getScrollY(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.getScrollY', 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 int?)!;
    }
  }

  Future<void> setWebContentsDebuggingEnabled(bool arg_enabled) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.setWebContentsDebuggingEnabled',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[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;
    }
  }

  Future<void> setWebViewClient(
      int arg_instanceId, int arg_webViewClientInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.setWebViewClient', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_webViewClientInstanceId])
        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> addJavaScriptChannel(
      int arg_instanceId, int arg_javaScriptChannelInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.addJavaScriptChannel', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_javaScriptChannelInstanceId])
        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> removeJavaScriptChannel(
      int arg_instanceId, int arg_javaScriptChannelInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.removeJavaScriptChannel', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_javaScriptChannelInstanceId])
        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> setDownloadListener(
      int arg_instanceId, int? arg_listenerInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.setDownloadListener', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_listenerInstanceId])
            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> setWebChromeClient(
      int arg_instanceId, int? arg_clientInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.setWebChromeClient', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_clientInstanceId])
            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> setBackgroundColor(int arg_instanceId, int arg_color) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewHostApi.setBackgroundColor', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_color]) 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 _WebSettingsHostApiCodec extends StandardMessageCodec {
  const _WebSettingsHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(int arg_instanceId, int arg_webViewInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.create', 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> dispose(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.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> setDomStorageEnabled(int arg_instanceId, bool arg_flag) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setDomStorageEnabled', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_flag]) 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> setJavaScriptCanOpenWindowsAutomatically(
      int arg_instanceId, bool arg_flag) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setJavaScriptCanOpenWindowsAutomatically',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_flag]) 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> setSupportMultipleWindows(
      int arg_instanceId, bool arg_support) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setSupportMultipleWindows',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_support]) 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_flag) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setJavaScriptEnabled', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_flag]) 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> setUserAgentString(
      int arg_instanceId, String? arg_userAgentString) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setUserAgentString', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_userAgentString])
            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> setMediaPlaybackRequiresUserGesture(
      int arg_instanceId, bool arg_require) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setMediaPlaybackRequiresUserGesture',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_require]) 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> setSupportZoom(int arg_instanceId, bool arg_support) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setSupportZoom', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_support]) 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> setLoadWithOverviewMode(
      int arg_instanceId, bool arg_overview) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setLoadWithOverviewMode', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_overview])
            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> setUseWideViewPort(int arg_instanceId, bool arg_use) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setUseWideViewPort', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
        .send(<Object?>[arg_instanceId, arg_use]) 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> setDisplayZoomControls(
      int arg_instanceId, bool arg_enabled) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setDisplayZoomControls', 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;
    }
  }

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

  Future<void> setAllowFileAccess(int arg_instanceId, bool arg_enabled) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebSettingsHostApi.setAllowFileAccess', 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 _JavaScriptChannelHostApiCodec extends StandardMessageCodec {
  const _JavaScriptChannelHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(int arg_instanceId, String arg_channelName) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.JavaScriptChannelHostApi.create', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_instanceId, arg_channelName])
            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 _JavaScriptChannelFlutterApiCodec extends StandardMessageCodec {
  const _JavaScriptChannelFlutterApiCodec();
}

abstract class JavaScriptChannelFlutterApi {
  static const MessageCodec<Object?> codec =
      _JavaScriptChannelFlutterApiCodec();

  void dispose(int instanceId);
  void postMessage(int instanceId, String message);
  static void setup(JavaScriptChannelFlutterApi? api,
      {BinaryMessenger? binaryMessenger}) {
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.JavaScriptChannelFlutterApi.dispose', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.JavaScriptChannelFlutterApi.dispose 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.JavaScriptChannelFlutterApi.dispose was null, expected non-null int.');
          api.dispose(arg_instanceId!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.JavaScriptChannelFlutterApi.postMessage', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.JavaScriptChannelFlutterApi.postMessage 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.JavaScriptChannelFlutterApi.postMessage was null, expected non-null int.');
          final String? arg_message = (args[1] as String?);
          assert(arg_message != null,
              'Argument for dev.flutter.pigeon.JavaScriptChannelFlutterApi.postMessage was null, expected non-null String.');
          api.postMessage(arg_instanceId!, arg_message!);
          return;
        });
      }
    }
  }
}

class _WebViewClientHostApiCodec extends StandardMessageCodec {
  const _WebViewClientHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(
      int arg_instanceId, bool arg_shouldOverrideUrlLoading) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebViewClientHostApi.create', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_shouldOverrideUrlLoading])
        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 _WebViewClientFlutterApiCodec extends StandardMessageCodec {
  const _WebViewClientFlutterApiCodec();
  @override
  void writeValue(WriteBuffer buffer, Object? value) {
    if (value is WebResourceErrorData) {
      buffer.putUint8(128);
      writeValue(buffer, value.encode());
    } else if (value is WebResourceRequestData) {
      buffer.putUint8(129);
      writeValue(buffer, value.encode());
    } else {
      super.writeValue(buffer, value);
    }
  }

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

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

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

abstract class WebViewClientFlutterApi {
  static const MessageCodec<Object?> codec = _WebViewClientFlutterApiCodec();

  void dispose(int instanceId);
  void onPageStarted(int instanceId, int webViewInstanceId, String url);
  void onPageFinished(int instanceId, int webViewInstanceId, String url);
  void onReceivedRequestError(int instanceId, int webViewInstanceId,
      WebResourceRequestData request, WebResourceErrorData error);
  void onReceivedError(int instanceId, int webViewInstanceId, int errorCode,
      String description, String failingUrl);
  void requestLoading(
      int instanceId, int webViewInstanceId, WebResourceRequestData request);
  void urlLoading(int instanceId, int webViewInstanceId, String url);
  static void setup(WebViewClientFlutterApi? api,
      {BinaryMessenger? binaryMessenger}) {
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.dispose', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.dispose 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.WebViewClientFlutterApi.dispose was null, expected non-null int.');
          api.dispose(arg_instanceId!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.onPageStarted', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageStarted 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.WebViewClientFlutterApi.onPageStarted was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageStarted was null, expected non-null int.');
          final String? arg_url = (args[2] as String?);
          assert(arg_url != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageStarted was null, expected non-null String.');
          api.onPageStarted(arg_instanceId!, arg_webViewInstanceId!, arg_url!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.onPageFinished', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageFinished 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.WebViewClientFlutterApi.onPageFinished was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageFinished was null, expected non-null int.');
          final String? arg_url = (args[2] as String?);
          assert(arg_url != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onPageFinished was null, expected non-null String.');
          api.onPageFinished(arg_instanceId!, arg_webViewInstanceId!, arg_url!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedRequestError',
          codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedRequestError 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.WebViewClientFlutterApi.onReceivedRequestError was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedRequestError was null, expected non-null int.');
          final WebResourceRequestData? arg_request =
              (args[2] as WebResourceRequestData?);
          assert(arg_request != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedRequestError was null, expected non-null WebResourceRequestData.');
          final WebResourceErrorData? arg_error =
              (args[3] as WebResourceErrorData?);
          assert(arg_error != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedRequestError was null, expected non-null WebResourceErrorData.');
          api.onReceivedRequestError(arg_instanceId!, arg_webViewInstanceId!,
              arg_request!, arg_error!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError 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.WebViewClientFlutterApi.onReceivedError was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError was null, expected non-null int.');
          final int? arg_errorCode = (args[2] as int?);
          assert(arg_errorCode != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError was null, expected non-null int.');
          final String? arg_description = (args[3] as String?);
          assert(arg_description != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError was null, expected non-null String.');
          final String? arg_failingUrl = (args[4] as String?);
          assert(arg_failingUrl != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.onReceivedError was null, expected non-null String.');
          api.onReceivedError(arg_instanceId!, arg_webViewInstanceId!,
              arg_errorCode!, arg_description!, arg_failingUrl!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.requestLoading', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.requestLoading 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.WebViewClientFlutterApi.requestLoading was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.requestLoading was null, expected non-null int.');
          final WebResourceRequestData? arg_request =
              (args[2] as WebResourceRequestData?);
          assert(arg_request != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.requestLoading was null, expected non-null WebResourceRequestData.');
          api.requestLoading(
              arg_instanceId!, arg_webViewInstanceId!, arg_request!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebViewClientFlutterApi.urlLoading', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.urlLoading 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.WebViewClientFlutterApi.urlLoading was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.urlLoading was null, expected non-null int.');
          final String? arg_url = (args[2] as String?);
          assert(arg_url != null,
              'Argument for dev.flutter.pigeon.WebViewClientFlutterApi.urlLoading was null, expected non-null String.');
          api.urlLoading(arg_instanceId!, arg_webViewInstanceId!, arg_url!);
          return;
        });
      }
    }
  }
}

class _DownloadListenerHostApiCodec extends StandardMessageCodec {
  const _DownloadListenerHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(int arg_instanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.DownloadListenerHostApi.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 _DownloadListenerFlutterApiCodec extends StandardMessageCodec {
  const _DownloadListenerFlutterApiCodec();
}

abstract class DownloadListenerFlutterApi {
  static const MessageCodec<Object?> codec = _DownloadListenerFlutterApiCodec();

  void dispose(int instanceId);
  void onDownloadStart(int instanceId, String url, String userAgent,
      String contentDisposition, String mimetype, int contentLength);
  static void setup(DownloadListenerFlutterApi? api,
      {BinaryMessenger? binaryMessenger}) {
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.DownloadListenerFlutterApi.dispose', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.dispose 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.DownloadListenerFlutterApi.dispose was null, expected non-null int.');
          api.dispose(arg_instanceId!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart',
          codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart 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.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null int.');
          final String? arg_url = (args[1] as String?);
          assert(arg_url != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null String.');
          final String? arg_userAgent = (args[2] as String?);
          assert(arg_userAgent != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null String.');
          final String? arg_contentDisposition = (args[3] as String?);
          assert(arg_contentDisposition != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null String.');
          final String? arg_mimetype = (args[4] as String?);
          assert(arg_mimetype != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null String.');
          final int? arg_contentLength = (args[5] as int?);
          assert(arg_contentLength != null,
              'Argument for dev.flutter.pigeon.DownloadListenerFlutterApi.onDownloadStart was null, expected non-null int.');
          api.onDownloadStart(arg_instanceId!, arg_url!, arg_userAgent!,
              arg_contentDisposition!, arg_mimetype!, arg_contentLength!);
          return;
        });
      }
    }
  }
}

class _WebChromeClientHostApiCodec extends StandardMessageCodec {
  const _WebChromeClientHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<void> create(
      int arg_instanceId, int arg_webViewClientInstanceId) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.WebChromeClientHostApi.create', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap = await channel
            .send(<Object?>[arg_instanceId, arg_webViewClientInstanceId])
        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 _FlutterAssetManagerHostApiCodec extends StandardMessageCodec {
  const _FlutterAssetManagerHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

  Future<List<String?>> list(String arg_path) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.FlutterAssetManagerHostApi.list', codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[arg_path]) 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<String?>();
    }
  }

  Future<String> getAssetFilePathByName(String arg_name) async {
    final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
        'dev.flutter.pigeon.FlutterAssetManagerHostApi.getAssetFilePathByName',
        codec,
        binaryMessenger: _binaryMessenger);
    final Map<Object?, Object?>? replyMap =
        await channel.send(<Object?>[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 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 _WebChromeClientFlutterApiCodec extends StandardMessageCodec {
  const _WebChromeClientFlutterApiCodec();
}

abstract class WebChromeClientFlutterApi {
  static const MessageCodec<Object?> codec = _WebChromeClientFlutterApiCodec();

  void dispose(int instanceId);
  void onProgressChanged(int instanceId, int webViewInstanceId, int progress);
  static void setup(WebChromeClientFlutterApi? api,
      {BinaryMessenger? binaryMessenger}) {
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebChromeClientFlutterApi.dispose', codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebChromeClientFlutterApi.dispose 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.WebChromeClientFlutterApi.dispose was null, expected non-null int.');
          api.dispose(arg_instanceId!);
          return;
        });
      }
    }
    {
      final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
          'dev.flutter.pigeon.WebChromeClientFlutterApi.onProgressChanged',
          codec,
          binaryMessenger: binaryMessenger);
      if (api == null) {
        channel.setMessageHandler(null);
      } else {
        channel.setMessageHandler((Object? message) async {
          assert(message != null,
              'Argument for dev.flutter.pigeon.WebChromeClientFlutterApi.onProgressChanged 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.WebChromeClientFlutterApi.onProgressChanged was null, expected non-null int.');
          final int? arg_webViewInstanceId = (args[1] as int?);
          assert(arg_webViewInstanceId != null,
              'Argument for dev.flutter.pigeon.WebChromeClientFlutterApi.onProgressChanged was null, expected non-null int.');
          final int? arg_progress = (args[2] as int?);
          assert(arg_progress != null,
              'Argument for dev.flutter.pigeon.WebChromeClientFlutterApi.onProgressChanged was null, expected non-null int.');
          api.onProgressChanged(
              arg_instanceId!, arg_webViewInstanceId!, arg_progress!);
          return;
        });
      }
    }
  }
}

class _WebStorageHostApiCodec extends StandardMessageCodec {
  const _WebStorageHostApiCodec();
}

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

  final BinaryMessenger? _binaryMessenger;

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

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