added initial code generator and example

analysis_options.yaml

@@ -1,4 +1,11 @@
-include: package:flutter_lints/flutter.yaml
+include: package:lints/recommended.yaml
+
+linter:
+  rules:
+    constant_identifier_names: ignore
 
 # Additional information about this file can be found at
 # https://dart.dev/guides/language/analysis-options
+analyzer:
+  errors:
+    deprecated_member_use_from_same_package: ignore

dev_packages/flutter_inappwebview_internal_annotations/lib/flutter_inappwebview_internal_annotations.dart

@@ -0,0 +1,8 @@
+library flutter_inappwebview_internal_annotations;
+
+export 'src/exchangeable_object.dart';
+export 'src/exchangeable_object_constructor.dart';
+export 'src/exchangeable_object_property.dart';
+export 'src/exchangeable_enum.dart';
+export 'src/supported_platforms.dart';
+export 'src/enum_supported_platforms.dart';

dev_packages/flutter_inappwebview_internal_annotations/lib/src/enum_supported_platforms.dart

@@ -0,0 +1,115 @@
+import 'supported_platforms.dart';
+
+abstract class EnumPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "";
+  final targetPlatformName = "";
+}
+
+class EnumAndroidPlatform implements EnumPlatform, AndroidPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumAndroidPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "Android native WebView";
+  final targetPlatformName = "android";
+}
+
+class EnumIOSPlatform implements EnumPlatform, IOSPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumIOSPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "iOS";
+  final targetPlatformName = "iOS";
+}
+
+class EnumMacOSPlatform implements EnumPlatform, MacOSPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumMacOSPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "MacOS";
+  final targetPlatformName = "macOS";
+}
+
+class EnumWindowsPlatform implements EnumPlatform, WindowsPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumWindowsPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "Windows";
+  final targetPlatformName = "windows";
+}
+
+class EnumLinuxPlatform implements EnumPlatform, LinuxPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+
+  const EnumLinuxPlatform(
+      {this.available, this.apiName, this.apiUrl, this.note, this.value});
+
+  final name = "Linux";
+  final targetPlatformName = "linux";
+}
+
+class EnumWebPlatform implements EnumPlatform, WebPlatform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final dynamic value;
+  final bool requiresSameOrigin;
+
+  const EnumWebPlatform(
+      {this.available,
+        this.apiName,
+        this.apiUrl,
+        this.note,
+        this.value,
+        this.requiresSameOrigin = true});
+
+  final name = "Web";
+  final targetPlatformName = "web";
+}
+
+class EnumSupportedPlatforms {
+  final List<EnumPlatform> platforms;
+  final dynamic defaultValue;
+
+  const EnumSupportedPlatforms({
+    required this.platforms,
+    this.defaultValue,
+  });
+}

dev_packages/flutter_inappwebview_internal_annotations/lib/src/exchangeable_enum.dart

@@ -0,0 +1,23 @@
+class ExchangeableEnum {
+  final bool valuesProperty;
+  final bool toValueMethod;
+  final bool fromValueMethod;
+  final bool toNativeValueMethod;
+  final bool fromNativeValueMethod;
+  final bool toStringMethod;
+  final bool hashCodeMethod;
+  final bool equalsOperator;
+  final bool bitwiseOrOperator;
+
+  const ExchangeableEnum({
+    this.valuesProperty = true,
+    this.toValueMethod = true,
+    this.fromValueMethod = true,
+    this.toNativeValueMethod = true,
+    this.fromNativeValueMethod = true,
+    this.toStringMethod = true,
+    this.hashCodeMethod = true,
+    this.equalsOperator = true,
+    this.bitwiseOrOperator = false
+  });
+}

dev_packages/flutter_inappwebview_internal_annotations/lib/src/exchangeable_object.dart

@@ -0,0 +1,15 @@
+class ExchangeableObject {
+  final bool toMapMethod;
+  final bool toJsonMethod;
+  final bool fromMapFactory;
+  final bool nullableFromMapFactory;
+  final bool toStringMethod;
+
+  const ExchangeableObject({
+    this.toMapMethod = true,
+    this.toJsonMethod = true,
+    this.fromMapFactory = true,
+    this.nullableFromMapFactory = true,
+    this.toStringMethod = true,
+  });
+}

dev_packages/flutter_inappwebview_internal_annotations/lib/src/exchangeable_object_constructor.dart

@@ -0,0 +1,3 @@
+class ExchangeableObjectConstructor {
+  const ExchangeableObjectConstructor();
+}

dev_packages/flutter_inappwebview_internal_annotations/lib/src/exchangeable_object_property.dart

@@ -0,0 +1,9 @@
+class ExchangeableObjectProperty {
+  final Function? serializer;
+  final Function? deserializer;
+
+  const ExchangeableObjectProperty({
+    this.serializer,
+    this.deserializer
+  });
+}

dev_packages/flutter_inappwebview_internal_annotations/lib/src/supported_platforms.dart

@@ -0,0 +1,95 @@
+abstract class Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const Platform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "";
+  final targetPlatformName = "";
+}
+
+class AndroidPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const AndroidPlatform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "Android native WebView";
+  final targetPlatformName = "android";
+}
+
+class IOSPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const IOSPlatform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "iOS";
+  final targetPlatformName = "iOS";
+}
+
+class MacOSPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const MacOSPlatform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "MacOS";
+  final targetPlatformName = "macOS";
+}
+
+class WindowsPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const WindowsPlatform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "Windows";
+  final targetPlatformName = "windows";
+}
+
+class LinuxPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+
+  const LinuxPlatform({this.available, this.apiName, this.apiUrl, this.note});
+
+  final name = "Linux";
+  final targetPlatformName = "linux";
+}
+
+class WebPlatform implements Platform {
+  final String? available;
+  final String? apiName;
+  final String? apiUrl;
+  final String? note;
+  final bool requiresSameOrigin;
+
+  const WebPlatform(
+      {this.available,
+      this.apiName,
+      this.apiUrl,
+      this.note,
+      this.requiresSameOrigin = true});
+
+  final name = "Web";
+  final targetPlatformName = "web";
+}
+
+class SupportedPlatforms {
+  final List<Platform> platforms;
+
+  const SupportedPlatforms({required this.platforms});
+}

dev_packages/flutter_inappwebview_internal_annotations/pubspec.lock

@@ -0,0 +1,383 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.33.6+1"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.6.0"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.9.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.5"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.2.1"
+  front_end:
+    dependency: transitive
+    description:
+      name: front_end
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.6+9"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.15.0"
+  http:
+    dependency: transitive
+    description:
+      name: http
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.2"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.4"
+  intl:
+    dependency: transitive
+    description:
+      name: intl
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.5"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
+  json_rpc_2:
+    dependency: transitive
+    description:
+      name: json_rpc_2
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.2"
+  kernel:
+    dependency: transitive
+    description:
+      name: kernel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.3.6+9"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.11.4"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.3+1"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  multi_server_socket:
+    dependency: transitive
+    description:
+      name: multi_server_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  node_interop:
+    dependency: transitive
+    description:
+      name: node_interop
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.1"
+  node_io:
+    dependency: transitive
+    description:
+      name: node_io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.13"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.3"
+  package_resolver:
+    dependency: transitive
+    description:
+      name: package_resolver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.10"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.1"
+  pedantic:
+    dependency: transitive
+    description:
+      name: pedantic
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.11.1"
+  plugin:
+    dependency: transitive
+    description:
+      name: plugin
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.0+3"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.4.4"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.7.9"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.4"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.9+2"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.4+1"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.5"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.10"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.10.0"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.0"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.4"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  vm_service_client:
+    dependency: transitive
+    description:
+      name: vm_service_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.2.6+3"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.9.7+15"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.1"
+sdks:
+  dart: ">=2.16.0-100.0.dev <3.0.0"

dev_packages/flutter_inappwebview_internal_annotations/pubspec.yaml

@@ -0,0 +1,10 @@
+name: flutter_inappwebview_internal_annotations
+description: A Flutter plugin that allows you to add an inline webview, to use an headless webview, and to open an in-app browser window.
+version: 1.0.0
+homepage: https://github.com/pichillilorenzo/flutter_inappwebview
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+
+dev_dependencies:
+  test: 1.3.4

dev_packages/generators/build.yaml

@@ -0,0 +1,21 @@
+targets:
+  $default:
+    builders:
+      generators|flutter_inappwebview_internal_annotations:
+        enabled: true
+
+builders:
+  generators:
+    target: ":generators"
+    # 1
+    import: "package:generators/builder.dart"
+    # 2
+    builder_factories: ["generateExchangeableObject", "generateExchangeableEnum"]
+    # 3
+    build_extensions: { ".dart": [".g.dart"] }
+    auto_apply: dependents
+    build_to: cache
+    applies_builders: ["source_gen|combining_builder"]
+    defaults:
+      generate_for:
+        - lib/src/**.dart

dev_packages/generators/lib/builder.dart

@@ -0,0 +1,10 @@
+import 'package:build/build.dart';
+import 'package:source_gen/source_gen.dart';
+import 'src/exchangeable_object_generator.dart';
+import 'src/exchangeable_enum_generator.dart';
+
+Builder generateExchangeableObject(BuilderOptions options) =>
+    SharedPartBuilder([ExchangeableObjectGenerator()], 'exchangeable_object');
+
+Builder generateExchangeableEnum(BuilderOptions options) =>
+    SharedPartBuilder([ExchangeableEnumGenerator()], 'exchangeable_enum');

dev_packages/generators/lib/generators.dart

@@ -0,0 +1 @@
+library generators;

dev_packages/generators/lib/src/exchangeable_enum_generator.dart

@@ -0,0 +1,270 @@
+import 'package:build/src/builder/build_step.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/analysis/results.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+import 'package:analyzer/dart/constant/value.dart';
+
+import 'model_visitor.dart';
+import 'util.dart';
+
+final _coreCheckerEnumSupportedPlatforms =
+    const TypeChecker.fromRuntime(EnumSupportedPlatforms);
+final _coreCheckerDeprecated = const TypeChecker.fromRuntime(Deprecated);
+
+class ExchangeableEnumGenerator
+    extends GeneratorForAnnotation<ExchangeableEnum> {
+  @override
+  String generateForAnnotatedElement(
+      Element element, ConstantReader annotation, BuildStep buildStep) {
+    final visitor = ModelVisitor();
+    // Visits all the children of element in no particular order.
+    element.visitChildren(visitor);
+
+    final className = visitor.constructor.returnType.element.name;
+    // remove "_" to generate the correct class name
+    final extClassName = className.replaceFirst("_", "");
+
+    final classBuffer = StringBuffer();
+    final classDocs =
+        visitor.constructor.returnType.element.documentationComment;
+    if (classDocs != null) {
+      classBuffer.writeln(classDocs);
+    }
+    final classSupportedDocs = Util.getSupportedDocs(
+        _coreCheckerEnumSupportedPlatforms,
+        visitor.constructor.returnType.element);
+    if (classSupportedDocs != null) {
+      classBuffer.writeln(classSupportedDocs);
+    }
+    if (visitor.constructor.returnType.element.hasDeprecated) {
+      classBuffer.writeln(
+          "@Deprecated('${_coreCheckerDeprecated.firstAnnotationOfExact(visitor.constructor.returnType.element)?.getField("message")?.toStringValue()}')");
+    }
+    classBuffer.writeln('class $extClassName {');
+
+    final FieldElement enumValue = visitor.fields.entries
+        .firstWhere((element) => element.key == "_value")
+        .value;
+    final FieldElement enumNativeValue = visitor.fields.entries
+        .firstWhere((element) => element.key == "_nativeValue",
+            orElse: () => MapEntry("_nativeValue", enumValue))
+        .value;
+
+    classBuffer.writeln("final ${enumValue.type} _value;");
+    classBuffer.writeln("final ${enumNativeValue.type} _nativeValue;");
+
+    classBuffer.writeln(
+        "const $extClassName._internal(this._value, this._nativeValue);");
+    classBuffer.writeln("// ignore: unused_element");
+    classBuffer.writeln(
+        "factory $extClassName._internalMultiPlatform(${enumValue.type} value, Function nativeValue) => $extClassName._internal(value, nativeValue());");
+
+    for (final entry in visitor.fields.entries) {
+      final fieldName = entry.key;
+      final fieldElement = entry.value;
+      if (fieldName == "_value" || fieldName == "_nativeValue") {
+        continue;
+      }
+      final docs = fieldElement.documentationComment;
+      if (docs != null) {
+        classBuffer.writeln(docs);
+      }
+      final fieldSupportedDocs = Util.getSupportedDocs(
+          _coreCheckerEnumSupportedPlatforms, fieldElement);
+      if (fieldSupportedDocs != null) {
+        classBuffer.writeln(fieldSupportedDocs);
+      }
+      if (fieldName == '_value' || fieldName == '_nativeValue') {
+        classBuffer.writeln(
+            "final ${fieldElement.type.toString().replaceFirst("_", "")} $fieldName;");
+      } else {
+        final fieldValue =
+            fieldElement.computeConstantValue()?.getField("_value");
+        final constantValue = fieldValue != null && !fieldValue.isNull
+            ? fieldValue.toIntValue() ?? "\'${fieldValue.toStringValue()}\'"
+            : null;
+
+        final fieldAnnotation = _coreCheckerEnumSupportedPlatforms
+            .firstAnnotationOfExact(fieldElement);
+        if (fieldAnnotation != null) {
+          final defaultField = fieldAnnotation.getField('defaultValue')!;
+          final defaultValue = !defaultField.isNull
+              ? defaultField.toIntValue() ?? "'${defaultField.toStringValue()}'"
+              : null;
+
+          var nativeValueBody = "() {";
+          nativeValueBody += "switch (defaultTargetPlatform) {";
+          final platforms =
+              fieldAnnotation.getField('platforms')?.toListValue() ??
+                  <DartObject>[];
+          var hasWebSupport = false;
+          var webSupportValue = null;
+          if (platforms.isNotEmpty) {
+            for (var platform in platforms) {
+              final targetPlatformName =
+                  platform.getField("targetPlatformName")!.toStringValue();
+              final platformValueField = platform.getField('value');
+              final platformValue =
+                  platformValueField != null && !platformValueField.isNull
+                      ? platformValueField.toIntValue() ??
+                          "'${platformValueField.toStringValue()}'"
+                      : null;
+              if (targetPlatformName == "web") {
+                hasWebSupport = true;
+                webSupportValue = platformValue;
+                continue;
+              }
+              nativeValueBody += "case TargetPlatform.$targetPlatformName:";
+              nativeValueBody += "return $platformValue;";
+            }
+            nativeValueBody += "default:";
+            nativeValueBody += "break;";
+          }
+          nativeValueBody += "}";
+          if (hasWebSupport) {
+            nativeValueBody += "if (kIsWeb) {";
+            nativeValueBody += "return $webSupportValue;";
+            nativeValueBody += "}";
+          }
+          nativeValueBody += "return $defaultValue;";
+          nativeValueBody += "}";
+
+          classBuffer.writeln(
+              "static final $fieldName = $extClassName._internalMultiPlatform($constantValue, $nativeValueBody);");
+        } else {
+          classBuffer.writeln(
+              "static const $fieldName = $extClassName._internal($constantValue, $constantValue);");
+        }
+      }
+    }
+
+    if (annotation.read("valuesProperty").boolValue) {
+      classBuffer.writeln('///Set of all values of [$extClassName].');
+      classBuffer.writeln('static final Set<$extClassName> values = [');
+      for (final entry in visitor.fields.entries) {
+        final fieldName = entry.key;
+        final fieldElement = entry.value;
+        if (!fieldElement.isPrivate && fieldElement.isStatic) {
+          classBuffer.writeln('$extClassName.$fieldName,');
+        }
+      }
+      classBuffer.writeln('].toSet();');
+    }
+
+    if (annotation.read("fromValueMethod").boolValue && !visitor.methods.containsKey("fromValue")) {
+      final hasBitwiseOrOperator =
+          annotation.read("bitwiseOrOperator").boolValue;
+      classBuffer.writeln("""
+      ///Gets a possible [$extClassName] instance from [${enumValue.type}] value.
+      static $extClassName? fromValue(${enumValue.type}${!Util.typeIsNullable(enumValue.type) ? '?' : ''} value) {
+          if (value != null) {
+          try {
+            return $extClassName.values
+                .firstWhere((element) => element.toValue() == value);
+          } catch (e) {
+            return ${!hasBitwiseOrOperator ? 'null' : "$extClassName._internal(value, value)"};
+          }
+        }
+        return null;
+      }
+      """);
+    }
+
+    if (annotation.read("fromNativeValueMethod").boolValue && !visitor.methods.containsKey("fromNativeValue")) {
+      final hasBitwiseOrOperator =
+          annotation.read("bitwiseOrOperator").boolValue;
+      classBuffer.writeln("""
+      ///Gets a possible [$extClassName] instance from a native value.
+      static $extClassName? fromNativeValue(${enumNativeValue.type}${!Util.typeIsNullable(enumNativeValue.type) ? '?' : ''} value) {
+          if (value != null) {
+          try {
+            return $extClassName.values
+                .firstWhere((element) => element.toNativeValue() == value);
+          } catch (e) {
+            return ${!hasBitwiseOrOperator ? 'null' : "$extClassName._internal(value, value)"};
+          }
+        }
+        return null;
+      }
+      """);
+    }
+
+    for (final entry in visitor.methods.entries) {
+      final methodElement = entry.value;
+      ParsedLibraryResult parsed = methodElement.session?.getParsedLibraryByElement(methodElement.library) as ParsedLibraryResult;
+      final methodBody = parsed.getElementDeclaration(methodElement)?.node;
+      if (methodBody != null) {
+        final docs = methodElement.documentationComment;
+        if (docs != null) {
+          classBuffer.writeln(docs);
+        }
+        final fieldSupportedDocs =
+        Util.getSupportedDocs(_coreCheckerEnumSupportedPlatforms, methodElement);
+        if (fieldSupportedDocs != null) {
+          classBuffer.writeln(fieldSupportedDocs);
+        }
+        classBuffer.writeln(methodBody);
+      }
+    }
+
+    if (annotation.read("toValueMethod").boolValue && !visitor.methods.containsKey("toValue")) {
+      classBuffer.writeln("""
+      ///Gets [${enumValue.type}] value.
+      ${enumValue.type} toValue() => _value;
+      """);
+    }
+
+    if (annotation.read("toNativeValueMethod").boolValue && !visitor.methods.containsKey("toNativeValue")) {
+      classBuffer.writeln("""
+      ///Gets [${enumNativeValue.type}] native value.
+      ${enumNativeValue.type} toNativeValue() => _nativeValue;
+      """);
+    }
+
+    if (annotation.read("hashCodeMethod").boolValue && !visitor.fields.containsKey("hashCode")) {
+      classBuffer.writeln("""
+      @override
+      int get hashCode => _value.hashCode;
+      """);
+    }
+
+    if (annotation.read("equalsOperator").boolValue) {
+      classBuffer.writeln("""
+      @override
+      bool operator ==(value) => value == _value;
+      """);
+    }
+
+    if (annotation.read("bitwiseOrOperator").boolValue) {
+      classBuffer.writeln(
+          "$extClassName operator |($extClassName value) => $extClassName._internal(value.toValue() | _value, value.toNativeValue() | _nativeValue);");
+    }
+
+    if (annotation.read("toStringMethod").boolValue && !visitor.methods.containsKey("toString")) {
+      classBuffer.writeln('@override');
+      classBuffer.writeln('String toString() {');
+      if (enumValue.type.isDartCoreString) {
+        classBuffer.writeln('return _value;');
+      } else {
+        classBuffer.writeln('switch(_value) {');
+        for (final entry in visitor.fields.entries) {
+          final fieldName = entry.key;
+          final fieldElement = entry.value;
+          if (!fieldElement.isPrivate && fieldElement.isStatic) {
+            final fieldValue =
+                fieldElement.computeConstantValue()?.getField("_value");
+            final constantValue = fieldValue?.toIntValue();
+            classBuffer.writeln("case $constantValue: return '$fieldName';");
+          }
+        }
+        classBuffer.writeln('}');
+        classBuffer.writeln('return _value.toString();');
+      }
+      classBuffer.writeln('}');
+    }
+
+    classBuffer.writeln('}');
+    return classBuffer.toString();
+  }
+}

dev_packages/generators/lib/src/exchangeable_object_generator.dart

@@ -0,0 +1,676 @@
+import 'package:build/src/builder/build_step.dart';
+import 'package:analyzer/dart/element/element.dart';
+import 'package:analyzer/dart/analysis/results.dart';
+import 'package:analyzer/dart/element/type.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+import 'model_visitor.dart';
+import 'util.dart';
+
+final _coreChecker = const TypeChecker.fromRuntime(ExchangeableObject);
+final _coreCheckerObjectConstructor =
+    const TypeChecker.fromRuntime(ExchangeableObjectConstructor);
+final _coreCheckerObjectProperty =
+    const TypeChecker.fromRuntime(ExchangeableObjectProperty);
+final _coreCheckerEnum = const TypeChecker.fromRuntime(ExchangeableEnum);
+final _coreCheckerDeprecated = const TypeChecker.fromRuntime(Deprecated);
+final _coreCheckerSupportedPlatforms =
+    const TypeChecker.fromRuntime(SupportedPlatforms);
+
+class ExchangeableObjectGenerator
+    extends GeneratorForAnnotation<ExchangeableObject> {
+  @override
+  String generateForAnnotatedElement(
+      Element element, ConstantReader annotation, BuildStep buildStep) {
+    final visitor = ModelVisitor();
+    // Visits all the children of element in no particular order.
+    element.visitChildren(visitor);
+
+    final className = visitor.constructor.returnType.element.name;
+    final superClass =
+        visitor.constructor.returnType.superclass?.element.name != 'Object'
+            ? visitor.constructor.returnType.superclass
+            : null;
+    final superClassName = superClass?.element.name.replaceFirst("_", "");
+    // remove "_" to generate the correct class name
+    final extClassName = className.replaceFirst("_", "");
+
+    final classBuffer = StringBuffer();
+    final classDocs =
+        visitor.constructor.returnType.element.documentationComment;
+    if (classDocs != null) {
+      classBuffer.writeln(classDocs);
+    }
+    final classSupportedDocs = Util.getSupportedDocs(
+        _coreCheckerSupportedPlatforms, visitor.constructor.returnType.element);
+    if (classSupportedDocs != null) {
+      classBuffer.writeln(classSupportedDocs);
+    }
+    if (visitor.constructor.returnType.element.hasDeprecated) {
+      classBuffer.writeln(
+          "@Deprecated('${_coreCheckerDeprecated.firstAnnotationOfExact(visitor.constructor.returnType.element)?.getField("message")?.toStringValue()}')");
+    }
+
+    classBuffer.write('class $extClassName');
+    if (superClass != null) {
+      classBuffer.writeln(' extends ${superClassName}');
+    }
+    classBuffer.writeln(' {');
+
+    final deprecatedFields = <VariableElement>[];
+    final constructorFields = <String>[];
+    final superConstructorFields = <String>[];
+    for (final entry in visitor.fields.entries) {
+      final fieldName = entry.key;
+      final fieldElement = entry.value;
+      if (!fieldElement.isPrivate) {
+        final isNullable = Util.typeIsNullable(fieldElement.type);
+        final constructorParameter = visitor.constructorParameters[fieldName];
+        if (constructorParameter != null) {
+          // remove class reference terminating with "_"
+          var defaultValueCode =
+              constructorParameter.defaultValueCode?.replaceFirst("_.", ".");
+          var constructorField =
+              '${!isNullable && defaultValueCode == null ? 'required ' : ''}this.$fieldName${defaultValueCode != null ? ' = $defaultValueCode' : ''}';
+          if (fieldElement.hasDeprecated) {
+            deprecatedFields.add(fieldElement);
+            constructorField =
+                "@Deprecated('${_coreCheckerDeprecated.firstAnnotationOfExact(fieldElement)?.getField("message")?.toStringValue()}') " +
+                    constructorField;
+          }
+          constructorFields.add(constructorField);
+        }
+      }
+      final docs = fieldElement.documentationComment;
+      if (docs != null) {
+        classBuffer.writeln(docs);
+      }
+      final fieldSupportedDocs =
+          Util.getSupportedDocs(_coreCheckerSupportedPlatforms, fieldElement);
+      if (fieldSupportedDocs != null) {
+        classBuffer.writeln(fieldSupportedDocs);
+      }
+      if (fieldElement.hasDeprecated) {
+        classBuffer.writeln(
+            "@Deprecated('${_coreCheckerDeprecated.firstAnnotationOfExact(fieldElement)?.getField("message")?.toStringValue()}')");
+      }
+      // remove class reference terminating with "_"
+      classBuffer
+          .write("${fieldElement.type.toString().replaceFirst("_", "")} ");
+      if (!fieldElement.hasInitializer) {
+        classBuffer.writeln("$fieldName;");
+      } else {
+        ParsedLibraryResult parsed = fieldElement.session
+                ?.getParsedLibraryByElement(fieldElement.library)
+            as ParsedLibraryResult;
+        final fieldBody = parsed.getElementDeclaration(fieldElement)?.node;
+        classBuffer.writeln("$fieldBody;");
+      }
+    }
+
+    if (superClass != null) {
+      ConstructorElement superConstructor = superClass.constructors.first;
+      for (final parameter in superConstructor.parameters) {
+        final parameterName = parameter.name;
+        final parameterType = parameter.type;
+        final isNullable = Util.typeIsNullable(parameter.type);
+        // remove class reference terminating with "_"
+        var defaultValueCode =
+            parameter.defaultValueCode?.replaceFirst("_.", ".");
+        var constructorField =
+            '${!isNullable && defaultValueCode == null ? 'required ' : ''}$parameterType $parameterName${defaultValueCode != null ? ' = $defaultValueCode' : ''}';
+        if (parameter.hasDeprecated) {
+          deprecatedFields.add(parameter);
+          constructorField =
+              "@Deprecated('${_coreCheckerDeprecated.firstAnnotationOfExact(parameter)?.getField("message")?.toStringValue()}') " +
+                  constructorField;
+        }
+        constructorFields.add(constructorField);
+        superConstructorFields.add("$parameterName: $parameterName");
+      }
+    }
+
+    final hasCustomConstructor =
+        _coreCheckerObjectConstructor.hasAnnotationOf(visitor.constructor);
+    final constructorDocs = visitor.constructor.documentationComment;
+    if (constructorDocs != null) {
+      classBuffer.writeln(constructorDocs);
+    }
+    var constructorSupportedDocs = Util.getSupportedDocs(
+        _coreCheckerSupportedPlatforms, visitor.constructor);
+    if (constructorSupportedDocs == null) {
+      constructorSupportedDocs = Util.getSupportedDocs(
+          _coreCheckerSupportedPlatforms,
+          visitor.constructor.returnType.element);
+    }
+    if (constructorSupportedDocs != null) {
+      classBuffer.writeln(constructorSupportedDocs);
+    }
+    if (hasCustomConstructor) {
+      ParsedLibraryResult parsed = visitor.constructor.session
+              ?.getParsedLibraryByElement(visitor.constructor.library)
+          as ParsedLibraryResult;
+      final constructorBody =
+          parsed.getElementDeclaration(visitor.constructor)?.node;
+      if (constructorBody != null) {
+        classBuffer.writeln(constructorBody
+            .toString()
+            .replaceAll(className, extClassName)
+            .replaceAll("@ExchangeableObjectConstructor()", ""));
+      }
+    } else if (constructorFields.length > 0) {
+      classBuffer.writeln('$extClassName({');
+      classBuffer.writeln(constructorFields.join(', '));
+    } else {
+      classBuffer.writeln('$extClassName(');
+    }
+
+    if (!hasCustomConstructor && constructorFields.length > 0) {
+      classBuffer.write('})');
+    } else if (!hasCustomConstructor) {
+      classBuffer.write(')');
+    }
+
+    if (superClass != null) {
+      classBuffer.write(': super(');
+      if (superConstructorFields.isNotEmpty) {
+        classBuffer.write('${superConstructorFields.join(", ")}');
+      }
+      classBuffer.write(')');
+    }
+
+    if (!hasCustomConstructor && deprecatedFields.length > 0) {
+      classBuffer.writeln(' {');
+      for (final deprecatedField in deprecatedFields) {
+        final deprecatedFieldName = deprecatedField.name;
+        final message = _coreCheckerDeprecated
+            .firstAnnotationOfExact(deprecatedField)!
+            .getField("message")!
+            .toStringValue()!;
+        final fieldName = message
+            .replaceFirst("Use ", "")
+            .replaceFirst(" instead", "")
+            .trim();
+        final fieldElement = visitor.fields[fieldName]!;
+        final fieldTypeElement = fieldElement.type.element;
+        final deprecatedFieldTypeElement = deprecatedField.type.element;
+
+        classBuffer.write('$fieldName = $fieldName ?? ');
+        if (fieldTypeElement != null && deprecatedFieldTypeElement != null) {
+          final isNullable = Util.typeIsNullable(fieldElement.type);
+          final deprecatedIsNullable = Util.typeIsNullable(deprecatedField.type);
+          final hasFromMap = hasFromMapMethod(fieldTypeElement);
+          final hasFromNativeValue = hasFromNativeValueMethod(fieldTypeElement);
+          final hasFromValue = hasFromValueMethod(fieldTypeElement);
+          final deprecatedHasToMap = hasFromMapMethod(deprecatedFieldTypeElement);
+          final deprecatedHasToNativeValue = hasToNativeValueMethod(deprecatedFieldTypeElement);
+          final deprecatedHasToValue = hasToValueMethod(deprecatedFieldTypeElement);
+          if (hasFromMap && deprecatedHasToMap) {
+            final hasNullableFromMap = hasNullableFromMapFactory(fieldTypeElement);
+            classBuffer.write(fieldTypeElement.name!.replaceFirst("_", "") +
+                ".fromMap($deprecatedFieldName${deprecatedIsNullable ? '?' : ''}.toMap())${!isNullable && hasNullableFromMap ? '!' : ''}");
+          } else if (hasFromNativeValue && deprecatedHasToNativeValue) {
+            classBuffer.write(fieldTypeElement.name!.replaceFirst("_", "") +
+                '.fromNativeValue($deprecatedFieldName${deprecatedIsNullable ? '?' : ''}.toNativeValue())${!isNullable ? '!' : ''}');
+          } else if (hasFromValue && deprecatedHasToValue) {
+            classBuffer.write(fieldTypeElement.name!.replaceFirst("_", "") +
+                '.fromValue($deprecatedFieldName${deprecatedIsNullable ? '?' : ''}.toValue())${!isNullable ? '!' : ''}');
+          } else {
+            classBuffer.write(deprecatedFieldName);
+          }
+        } else {
+          classBuffer.write(deprecatedFieldName);
+        }
+        classBuffer.writeln(';');
+      }
+      classBuffer.writeln('}');
+    } else if (!hasCustomConstructor) {
+      classBuffer.writeln(';');
+    }
+
+    if (annotation.read("fromMapFactory").boolValue &&
+        !visitor.methods.containsKey("fromMap")) {
+      classBuffer.writeln(
+          '///Gets a possible [$extClassName] instance from a [Map] value.');
+      final nullable = annotation.read("nullableFromMapFactory").boolValue;
+      classBuffer
+          .writeln('static $extClassName${nullable ? '?' : ''} fromMap(');
+      classBuffer.writeln('Map<String, dynamic>${nullable ? '?' : ''} map');
+      classBuffer.writeln(') {');
+      if (nullable) {
+        classBuffer.writeln('if (map == null) { return null; }');
+      }
+      classBuffer.writeln('final instance = $extClassName(');
+      final fieldElements = <FieldElement>[];
+      if (superClass != null) {
+        fieldElements.addAll(superClass.element.fields);
+      }
+      fieldElements.addAll(visitor.fields.values);
+      final nonRequiredFields = <String>[];
+      final requiredFields = <String>[];
+      for (final fieldElement in fieldElements) {
+        final fieldName = fieldElement.name;
+        if (!fieldElement.isPrivate) {
+          var value = "map['$fieldName']";
+          final deprecationMessage = _coreCheckerDeprecated
+              .firstAnnotationOfExact(fieldElement)
+              ?.getField("message")
+              ?.toStringValue();
+          if (deprecationMessage != null) {
+            final newFieldName = deprecationMessage
+                .replaceFirst("Use ", "")
+                .replaceFirst(" instead", "")
+                .trim();
+            value = "map['$newFieldName']";
+          }
+
+          final customDeserializer = _coreCheckerObjectProperty
+              .firstAnnotationOf(fieldElement)
+              ?.getField("deserializer")
+              ?.toFunctionValue();
+          if (customDeserializer != null) {
+            final deserializerClassName = customDeserializer.enclosingElement.name;
+            if (deserializerClassName != null) {
+              value = "$deserializerClassName.${customDeserializer.name}($value)";
+            } else {
+              value = "${customDeserializer.name}($value)";
+            }
+          } else {
+            value = getFromMapValue(value, fieldElement.type);
+          }
+            final constructorParameter =
+                visitor.constructorParameters[fieldName];
+          final isRequiredParameter = constructorParameter != null &&
+              (constructorParameter.isRequiredNamed ||
+                  !Util.typeIsNullable(constructorParameter.type)) &&
+              !constructorParameter.hasDefaultValue;
+          if (isRequiredParameter) {
+            requiredFields.add('$fieldName: $value,');
+          } else {
+            nonRequiredFields.add("instance.$fieldName = $value;");
+          }
+        }
+      }
+      classBuffer.writeln(requiredFields.join("\n") + ');');
+      if (nonRequiredFields.isNotEmpty) {
+        classBuffer.writeln(nonRequiredFields.join("\n"));
+      }
+      classBuffer.writeln('return instance;');
+      classBuffer.writeln('}');
+    }
+
+    for (final entry in visitor.methods.entries) {
+      final methodElement = entry.value;
+      ParsedLibraryResult parsed = methodElement.session
+              ?.getParsedLibraryByElement(methodElement.library)
+          as ParsedLibraryResult;
+      final methodBody = parsed.getElementDeclaration(methodElement)?.node;
+      if (methodBody != null) {
+        final docs = methodElement.documentationComment;
+        if (docs != null) {
+          classBuffer.writeln(docs);
+        }
+        final fieldSupportedDocs = Util.getSupportedDocs(
+            _coreCheckerSupportedPlatforms, methodElement);
+        if (fieldSupportedDocs != null) {
+          classBuffer.writeln(fieldSupportedDocs);
+        }
+        classBuffer
+            .writeln(methodBody.toString().replaceAll(className, extClassName));
+      }
+    }
+
+    if (annotation.read("toMapMethod").boolValue &&
+        !visitor.methods.containsKey("toMap")) {
+      classBuffer.writeln('///Converts instance to a map.');
+      classBuffer.writeln('Map<String, dynamic> toMap() {');
+      classBuffer.writeln('return {');
+      final fieldElements = <FieldElement>[];
+      if (superClass != null) {
+        for (final fieldElement in superClass.element.fields) {
+          if (!fieldElement.isPrivate && !fieldElement.hasDeprecated) {
+            fieldElements.add(fieldElement);
+          }
+        }
+      }
+      for (final entry in visitor.fields.entries) {
+        final fieldElement = entry.value;
+        if (!fieldElement.isPrivate && !fieldElement.hasDeprecated) {
+          fieldElements.add(fieldElement);
+        }
+      }
+      for (final fieldElement in fieldElements) {
+        if (!fieldElement.isPrivate && !fieldElement.hasDeprecated) {
+          final fieldName = fieldElement.name;
+          var mapValue = fieldName;
+          final customSerializer = _coreCheckerObjectProperty
+              .firstAnnotationOf(fieldElement)
+              ?.getField("serializer")
+              ?.toFunctionValue();
+          if (customSerializer != null) {
+            final serializerClassName = customSerializer.enclosingElement.name;
+            if (serializerClassName != null) {
+              mapValue = "$serializerClassName.${customSerializer.name}($mapValue)";
+            } else {
+              mapValue = "${customSerializer.name}($mapValue)";
+            }
+          } else {
+            mapValue = getToMapValue(fieldName, fieldElement.type);
+          }
+
+          classBuffer.writeln('"$fieldName": $mapValue,');
+        }
+      }
+      classBuffer.writeln('};');
+      classBuffer.writeln('}');
+    }
+
+    if (annotation.read("toJsonMethod").boolValue &&
+        !visitor.methods.containsKey("toJson")) {
+      classBuffer.writeln('///Converts instance to a map.');
+      classBuffer.writeln('Map<String, dynamic> toJson() {');
+      classBuffer.writeln('return toMap();');
+      classBuffer.writeln('}');
+    }
+
+    if (annotation.read("toStringMethod").boolValue &&
+        !visitor.methods.containsKey("toString")) {
+      classBuffer.writeln('@override');
+      classBuffer.writeln('String toString() {');
+      classBuffer.write('return \'$extClassName{');
+      final fieldNames = <String>[];
+      if (superClass != null) {
+        for (final fieldElement in superClass.element.fields) {
+          final fieldName = fieldElement.name;
+          if (!fieldElement.isPrivate && !fieldElement.hasDeprecated) {
+            fieldNames.add('$fieldName: \$$fieldName');
+          }
+        }
+      }
+      for (final entry in visitor.fields.entries) {
+        final fieldName = entry.key;
+        final fieldElement = entry.value;
+        if (!fieldElement.isPrivate && !fieldElement.hasDeprecated) {
+          fieldNames.add('$fieldName: \$$fieldName');
+        }
+      }
+      classBuffer.write(fieldNames.join(', '));
+      classBuffer.writeln('}\';');
+      classBuffer.writeln('}');
+    }
+
+    classBuffer.writeln('}');
+    return classBuffer.toString();
+  }
+
+  String getFromMapValue(String value, DartType elementType) {
+    final fieldTypeElement = elementType.element;
+    final isNullable = Util.typeIsNullable(elementType);
+    if (elementType.getDisplayString(withNullability: false) == "Uri") {
+      if (!isNullable) {
+        return "Uri.parse($value)!";
+      } else {
+        return "$value != null ? Uri.parse($value) : null";
+      }
+    } else if (elementType.getDisplayString(withNullability: false) ==
+        "Color") {
+      if (!isNullable) {
+        return "UtilColor.fromStringRepresentation($value)!";
+      } else {
+        return "$value != null ? UtilColor.fromStringRepresentation($value) : null";
+      }
+    } else if (elementType.getDisplayString(withNullability: false) ==
+        "DateTime") {
+      if (!isNullable) {
+        return "DateTime.fromMillisecondsSinceEpoch($value)!";
+      } else {
+        return "$value != null ? DateTime.fromMillisecondsSinceEpoch($value) : null";
+      }
+    } else if (elementType.isDartCoreList || elementType.isDartCoreSet) {
+      final genericType = Util.getGenericTypes(elementType).first;
+      if (!Util.isDartCoreType(genericType)) {
+        final genericTypeFieldName = 'e';
+        return value +
+            (isNullable ? '?' : '') +
+            '.forEach(($genericTypeFieldName) => ' +
+            getFromMapValue('$genericTypeFieldName', genericType) +
+            ')';
+      } else {
+        return value;
+      }
+    } else if (fieldTypeElement != null && hasFromMapMethod(fieldTypeElement)) {
+      final hasNullableFromMap = hasNullableFromMapFactory(fieldTypeElement);
+      // remove class reference terminating with "_"
+      return fieldTypeElement.name!.replaceFirst("_", "") +
+          ".fromMap($value?.cast<String, dynamic>())${!isNullable && hasNullableFromMap ? '!' : ''}";
+    } else {
+      final hasFromValue =
+          fieldTypeElement != null && hasFromValueMethod(fieldTypeElement);
+      final hasFromNativeValue = fieldTypeElement != null &&
+          hasFromNativeValueMethod(fieldTypeElement);
+      if (fieldTypeElement != null && (hasFromValue || hasFromNativeValue)) {
+        if (hasFromNativeValue) {
+          // remove class reference terminating with "_"
+          value = fieldTypeElement.name!.replaceFirst("_", "") +
+              '.fromNativeValue($value)';
+        } else {
+          // remove class reference terminating with "_"
+          value = fieldTypeElement.name!.replaceFirst("_", "") +
+              '.fromValue($value)';
+        }
+        if (!isNullable) {
+          value += '!';
+        }
+        return value;
+      }
+    }
+
+    return value;
+  }
+
+  String getToMapValue(String fieldName, DartType elementType) {
+    final fieldTypeElement = elementType.element;
+    final isNullable = Util.typeIsNullable(elementType);
+    if (elementType.getDisplayString(withNullability: false) == "Uri") {
+      return fieldName + (isNullable ? '?' : '') + '.toString()';
+    } else if (elementType.getDisplayString(withNullability: false) ==
+        "Color") {
+      return fieldName + (isNullable ? '?' : '') + '.toHex()';
+    } else if (elementType.getDisplayString(withNullability: false) ==
+        "DateTime") {
+      return fieldName + (isNullable ? '?' : '') + '.millisecondsSinceEpoch';
+    } else if (elementType.isDartCoreList || elementType.isDartCoreSet) {
+      final genericType = Util.getGenericTypes(elementType).first;
+      if (!Util.isDartCoreType(genericType)) {
+        final genericTypeFieldName = 'e';
+        return fieldName +
+            (isNullable ? '?' : '') +
+            '.map(($genericTypeFieldName) => ' +
+            getToMapValue('$genericTypeFieldName', genericType) +
+            ').toList()';
+      } else {
+
+        return fieldName;
+      }
+    } else if (fieldTypeElement != null && hasToMapMethod(fieldTypeElement)) {
+      return fieldName +
+          (Util.typeIsNullable(elementType) ? '?' : '') +
+          '.toMap()';
+    } else {
+      final hasToValue =
+          fieldTypeElement != null && hasToValueMethod(fieldTypeElement);
+      final hasToNativeValue =
+          fieldTypeElement != null && hasToNativeValueMethod(fieldTypeElement);
+      if (fieldTypeElement != null && (hasToValue || hasToNativeValue)) {
+        if (hasToNativeValue) {
+          return fieldName + (isNullable ? '?' : '') + '.toNativeValue()';
+        } else {
+          return fieldName + (isNullable ? '?' : '') + '.toValue()';
+        }
+      }
+    }
+
+    return fieldName;
+  }
+
+  bool hasToMapMethod(Element element) {
+    final hasAnnotation = _coreChecker.hasAnnotationOf(element);
+    final toMapMethod = _coreChecker
+            .firstAnnotationOfExact(element)
+            ?.getField('toMapMethod')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && toMapMethod) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "toMap") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasFromMapMethod(Element element) {
+    final hasAnnotation = _coreChecker.hasAnnotationOf(element);
+    final fromMapFactory = _coreChecker
+            .firstAnnotationOfExact(element)
+            ?.getField('fromMapFactory')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && fromMapFactory) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "fromMap") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasNullableFromMapFactory(Element element) {
+    final hasAnnotation = _coreChecker.hasAnnotationOf(element);
+    final fromMapFactory = _coreChecker
+            .firstAnnotationOfExact(element)
+            ?.getField('fromMapFactory')
+            ?.toBoolValue() ??
+        false;
+    final nullableFromMapFactory = _coreChecker
+            .firstAnnotationOfExact(element)
+            ?.getField('nullableFromMapFactory')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && fromMapFactory && nullableFromMapFactory) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "fromMap" &&
+          Util.typeIsNullable(entry.value.returnType)) {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasFromValueMethod(Element element) {
+    final hasAnnotation = _coreCheckerEnum.hasAnnotationOf(element);
+    final fromValueMethod = _coreCheckerEnum
+            .firstAnnotationOfExact(element)
+            ?.getField('fromValueMethod')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && fromValueMethod) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "fromValue") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasFromNativeValueMethod(Element element) {
+    final hasAnnotation = _coreCheckerEnum.hasAnnotationOf(element);
+    final fromNativeValueMethod = _coreCheckerEnum
+            .firstAnnotationOfExact(element)
+            ?.getField('fromNativeValueMethod')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && fromNativeValueMethod) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "fromNativeValue") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasToValueMethod(Element element) {
+    final hasAnnotation = _coreCheckerEnum.hasAnnotationOf(element);
+    final hasToValueMethod = _coreCheckerEnum
+            .firstAnnotationOfExact(element)
+            ?.getField('toValueMethod')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && hasToValueMethod) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "toValue") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+
+  bool hasToNativeValueMethod(Element element) {
+    final hasAnnotation = _coreCheckerEnum.hasAnnotationOf(element);
+    final hasToNativeValueMethod = _coreCheckerEnum
+            .firstAnnotationOfExact(element)
+            ?.getField('toNativeValueMethod')
+            ?.toBoolValue() ??
+        false;
+    if (hasAnnotation && hasToNativeValueMethod) {
+      return true;
+    }
+
+    final fieldVisitor = ModelVisitor();
+    element.visitChildren(fieldVisitor);
+    for (var entry in fieldVisitor.methods.entries) {
+      if (entry.key == "toNativeValue") {
+        return true;
+      }
+    }
+
+    return false;
+  }
+}

dev_packages/generators/lib/src/model_visitor.dart

@@ -0,0 +1,27 @@
+import 'package:analyzer/dart/element/visitor.dart';
+import 'package:analyzer/dart/element/element.dart';
+
+class ModelVisitor extends SimpleElementVisitor<void> {
+  late ConstructorElement constructor;
+  final constructorParameters = <String, ParameterElement>{};
+  final fields = <String, FieldElement>{};
+  final methods = <String, MethodElement>{};
+
+  @override
+  void visitConstructorElement(ConstructorElement element) {
+    constructor = element;
+    for (final param in element.parameters) {
+      constructorParameters.putIfAbsent(param.name, () => param);
+    }
+  }
+
+  @override
+  void visitFieldElement(FieldElement element) {
+    fields[element.name] = element;
+  }
+
+  @override
+  void visitMethodElement(MethodElement element) {
+    methods[element.name] = element;
+  }
+}

dev_packages/generators/lib/src/util.dart

@@ -0,0 +1,91 @@
+import 'package:analyzer/dart/element/element.dart';
+import 'package:source_gen/source_gen.dart';
+import 'package:analyzer/dart/element/type.dart';
+import 'package:analyzer/dart/element/nullability_suffix.dart';
+import 'package:analyzer/dart/constant/value.dart';
+
+abstract class Util {
+  static bool typeIsNullable(DartType type) {
+    return type.nullabilitySuffix != NullabilitySuffix.none ||
+        type.toString() == 'dynamic';
+  }
+
+  static String? getSupportedDocs(TypeChecker checker, Element element) {
+    final platformNoteList = <String>[];
+    final platformSupportedList = <String>[];
+    final platforms = checker
+            .firstAnnotationOfExact(element)
+            ?.getField('platforms')
+            ?.toListValue() ??
+        <DartObject>[];
+    for (var platform in platforms) {
+      final platformName = platform.getField("name")!.toStringValue();
+      final note = platform.getField("note")?.toStringValue();
+      if (note != null) {
+        platformNoteList.add("///**NOTE for $platformName**: $note");
+      }
+
+      final apiName = platform.getField("apiName")?.toStringValue();
+      final apiUrl = platform.getField("apiUrl")?.toStringValue();
+      final available = platform.getField("available")?.toStringValue();
+      final requiresSameOrigin =
+          platform.getField("requiresSameOrigin")?.toBoolValue() ?? false;
+      var api = available != null ? "$available+ " : "";
+      if (requiresSameOrigin) {
+        api += "but iframe requires same origin ";
+      }
+      if (apiName != null && apiUrl != null) {
+        api += "([Official API - $apiName]($apiUrl))";
+      } else if (apiName != null) {
+        api += "(Official API - $apiName)";
+      } else if (apiUrl != null) {
+        api += "([Official API]($apiUrl))";
+      }
+      platformSupportedList.add("///- $platformName $api");
+    }
+    if (platformSupportedList.isNotEmpty) {
+      if (platformNoteList.isNotEmpty) {
+        return """///
+        ${platformNoteList.join("\n///\n")}
+        ///
+        ///**Supported Platforms/Implementations**:
+        ${platformSupportedList.join("\n")}""";
+      } else {
+        return """///
+        ///**Supported Platforms/Implementations**:
+        ${platformSupportedList.join("\n")}""";
+      }
+    }
+    return null;
+  }
+
+  static Iterable<DartType> getGenericTypes(DartType type) {
+    return type is ParameterizedType ? type.typeArguments : const [];
+  }
+
+  static bool canHaveGenerics(DartType type) {
+    final element = type.element;
+    if (element is ClassElement) {
+      return element.typeParameters.isNotEmpty;
+    }
+    return false;
+  }
+
+  static bool isDartCoreType(DartType type) {
+    return type.isDartCoreBool ||
+        type.isDartCoreDouble ||
+        type.isDartCoreEnum ||
+        type.isDartCoreFunction ||
+        type.isDartCoreInt ||
+        type.isDartCoreIterable ||
+        type.isDartCoreList ||
+        type.isDartCoreMap ||
+        type.isDartCoreNull ||
+        type.isDartCoreNum ||
+        type.isDartCoreObject ||
+        type.isDartCoreSet ||
+        type.isDartCoreString ||
+        type.isDartCoreSymbol ||
+        type.isDynamic;
+  }
+}

dev_packages/generators/pubspec.lock

@@ -0,0 +1,513 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "39.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.1"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.9.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  build:
+    dependency: "direct main"
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.0"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.10"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.2.3"
+  build_test:
+    dependency: "direct dev"
+    description:
+      name: build_test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.5"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.3.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  csslib:
+    dependency: transitive
+    description:
+      name: csslib
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.17.1"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_inappwebview_internal_annotations:
+    dependency: "direct main"
+    description:
+      path: "../flutter_inappwebview_internal_annotations"
+      relative: true
+    source: path
+    version: "1.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  html:
+    dependency: transitive
+    description:
+      name: html
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.15.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.5.0"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.0"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_gen:
+    dependency: "direct main"
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.2"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.10.10"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.10.0"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.21.1"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.9"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.4.13"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.3.0"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
+sdks:
+  dart: ">=2.16.0 <3.0.0"
+  flutter: ">=2.5.0"

dev_packages/generators/pubspec.yaml

@@ -0,0 +1,21 @@
+name: generators
+version: 1.0.0
+
+publish_to: none
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  build:
+  source_gen:
+  flutter_inappwebview_internal_annotations:
+    path: ../flutter_inappwebview_internal_annotations/
+
+dev_dependencies:
+  build_runner:
+  build_test:
+  test: ^1.21.1

dev_packages/test_gen/analysis_options.yaml

@@ -0,0 +1,11 @@
+include: package:lints/recommended.yaml
+
+linter:
+  rules:
+    constant_identifier_names: ignore
+
+# Additional information about this file can be found at
+# https://dart.dev/guides/language/analysis-options
+analyzer:
+  errors:
+    deprecated_member_use_from_same_package: ignore

dev_packages/test_gen/lib/src/main.dart

@@ -0,0 +1,6 @@
+import 'package:test_gen/src/types/main.dart';
+import 'package:test_gen/src/types/test_enum.dart';
+
+void main() {
+  TestClass test = TestClass(test1: "test1", test2: TestClass2(test1: ""), actionModeMenuItem: ActionModeMenuItem.MENU_ITEM_NONE);
+}

dev_packages/test_gen/lib/src/test/test_class_2.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+part 'test_class_2.g.dart';
+
+@ExchangeableObject()
+class TestClass2_ {
+  String test1;
+
+  TestClass2_({required this.test1});
+}

dev_packages/test_gen/lib/src/types/main.dart

@@ -0,0 +1,2 @@
+export 'test_class.dart' show TestClass;
+export '../test/test_class_2.dart' show TestClass2;

dev_packages/test_gen/lib/src/types/test_class.dart

@@ -0,0 +1,68 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+import '../test/test_class_2.dart';
+import 'test_enum.dart';
+
+part 'test_class.g.dart';
+
+///Custom docs
+@ExchangeableObject()
+@SupportedPlatforms(platforms: [
+  AndroidPlatform(
+      apiName: "TestClass",
+      available: "24",
+      note: "[test1] is always `null`."
+  ),
+  IOSPlatform(
+      apiName: "TestClass",
+      available: "15.0",
+      note: "[test2] is always `null`."
+  ),
+  WebPlatform(),
+])
+class TestClass_ extends TestClass3 {
+  ///Docs 1
+  String test1;
+  ///Docs 2
+  List<TestClass2_> test2;
+
+  List<Color?>? colors;
+
+  ///Docs 3
+  @SupportedPlatforms(platforms: [
+    AndroidPlatform(
+        apiName: "WebSettings.setDisabledActionModeMenuItems",
+        apiUrl: "https://developer.android.com/reference/android/webkit/WebSettings#setDisabledActionModeMenuItems(int)",
+        available: "24"
+    )
+  ])
+  List<ActionModeMenuItem_?> actionModeMenuItem;
+
+  @ExchangeableObjectProperty(
+    serializer: Util.serializeTest,
+    deserializer: Util.deserializeTest
+  )
+  int test = 0;
+
+  DateTime? validNotAfterDate;
+
+  TestClass_({required String asd, this.test1 = "asdasd", required this.test2,
+    this.actionModeMenuItem = const [ActionModeMenuItem_.MENU_ITEM_NONE]}) : super(asd: asd);
+
+}
+
+class TestClass3 {
+  String asd;
+
+  TestClass3({required this.asd});
+}
+
+class Util {
+  static String serializeTest(int source) {
+    return source.toString();
+  }
+
+  static int deserializeTest(String source) {
+    return int.parse(source);
+  }
+}

dev_packages/test_gen/lib/src/types/test_enum.dart

@@ -0,0 +1,160 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+import 'package:flutter/foundation.dart';
+
+part 'test_enum.g.dart';
+
+typedef myInt = int;
+
+///Docs
+@ExchangeableEnum(
+    bitwiseOrOperator: true
+)
+@EnumSupportedPlatforms(platforms: [
+  EnumAndroidPlatform(
+      apiName: "TestClass",
+      available: "24",
+      note: "[test1] is always `null`."
+  ),
+  EnumIOSPlatform(
+      apiName: "TestClass",
+      available: "15.0",
+      note: "[test2] is always `null`."
+  ),
+  EnumWebPlatform(),
+])
+class ActionModeMenuItem_ {
+  final int _value;
+  const ActionModeMenuItem_._internal(this._value);
+
+  ///No menu items should be disabled.
+  static const MENU_ITEM_NONE = const ActionModeMenuItem_._internal(0);
+
+  ///Disable menu item "Share".
+  static const MENU_ITEM_SHARE = const ActionModeMenuItem_._internal(1);
+
+  ///Disable menu item "Web Search".
+  static const MENU_ITEM_WEB_SEARCH = const ActionModeMenuItem_._internal(2);
+
+  ///Disable all the action mode menu items for text processing.
+  @EnumSupportedPlatforms(platforms: [
+    EnumAndroidPlatform(
+        apiName: "TestClass",
+        available: "24",
+        note: "[test1] is always `null`."
+    ),
+    EnumIOSPlatform(
+        apiName: "TestClass",
+        available: "15.0",
+        note: "[test2] is always `null`."
+    ),
+    EnumWebPlatform(),
+  ])
+  static const MENU_ITEM_PROCESS_TEXT = const ActionModeMenuItem_._internal(4);
+}
+
+
+typedef myString = String;
+
+@ExchangeableEnum()
+///Class that represents a type of resource used to ask user's permission.
+class PermissionResourceType_ {
+  final String _value;
+  final dynamic _nativeValue = null;
+  const PermissionResourceType_._internal(this._value);
+
+  ///Resource belongs to audio capture device, like microphone.
+  @EnumSupportedPlatforms(platforms: [
+    EnumAndroidPlatform(
+        apiName: "PermissionRequest.RESOURCE_AUDIO_CAPTURE",
+        apiUrl: "https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_AUDIO_CAPTURE",
+        value: 'android.webkit.resource.AUDIO_CAPTURE'
+    ),
+    EnumIOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.microphone",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/microphone",
+        value: 1
+    ),
+    EnumMacOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.microphone",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/microphone",
+        value: 1
+    ),
+  ])
+  static const MICROPHONE = PermissionResourceType_._internal('MICROPHONE');
+
+  ///Resource will allow sysex messages to be sent to or received from MIDI devices.
+  ///These messages are privileged operations, e.g. modifying sound libraries and sampling data, or even updating the MIDI device's firmware.
+  ///Permission may be requested for this resource in API levels 21 and above, if the Android device has been updated to WebView 45 or above.
+  @EnumSupportedPlatforms(platforms: [
+    EnumAndroidPlatform(
+        apiName: "PermissionRequest.RESOURCE_MIDI_SYSEX",
+        apiUrl: "https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_MIDI_SYSEX",
+        value: 'android.webkit.resource.RESOURCE_MIDI_SYSEX'
+    )
+  ])
+  static const MIDI_SYSEX = PermissionResourceType_._internal('MIDI_SYSEX');
+
+  ///Resource belongs to protected media identifier. After the user grants this resource, the origin can use EME APIs to generate the license requests.
+  @EnumSupportedPlatforms(platforms: [
+    EnumAndroidPlatform(
+        apiName: "PermissionRequest.RESOURCE_PROTECTED_MEDIA_ID",
+        apiUrl: "https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_PROTECTED_MEDIA_ID",
+        value: 'android.webkit.resource.PROTECTED_MEDIA_ID'
+    )
+  ])
+  static const PROTECTED_MEDIA_ID = PermissionResourceType_._internal('PROTECTED_MEDIA_ID');
+
+  ///Resource belongs to video capture device, like camera.
+  @EnumSupportedPlatforms(platforms: [
+    EnumAndroidPlatform(
+        apiName: "PermissionRequest.RESOURCE_VIDEO_CAPTURE",
+        apiUrl: "https://developer.android.com/reference/android/webkit/PermissionRequest#RESOURCE_VIDEO_CAPTURE",
+        value: 'android.webkit.resource.VIDEO_CAPTURE'
+    ),
+    EnumIOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.camera",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/camera",
+        value: 0
+    ),
+    EnumMacOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.camera",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/camera",
+        value: 0
+    ),
+  ])
+  static const CAMERA = PermissionResourceType_._internal('CAMERA');
+
+  ///A media device or devices that can capture audio and video.
+  @EnumSupportedPlatforms(platforms: [
+    EnumIOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.cameraAndMicrophone",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/cameraandmicrophone",
+        value: 2
+    ),
+    EnumMacOSPlatform(
+        available: "15.0",
+        apiName: "WKMediaCaptureType.cameraAndMicrophone",
+        apiUrl: "https://developer.apple.com/documentation/webkit/wkmediacapturetype/cameraandmicrophone",
+        value: 2
+    ),
+  ])
+  static const CAMERA_AND_MICROPHONE = PermissionResourceType_._internal('CAMERA_AND_MICROPHONE');
+
+  ///Resource belongs to the device’s orientation and motion.
+  @EnumSupportedPlatforms(platforms: [
+    EnumIOSPlatform(
+        available: "15.0",
+        value: 'deviceOrientationAndMotion'
+    ),
+    EnumMacOSPlatform(
+        available: "15.0",
+        value: 'deviceOrientationAndMotion'
+    ),
+  ])
+  static const DEVICE_ORIENTATION_AND_MOTION = PermissionResourceType_._internal('DEVICE_ORIENTATION_AND_MOTION');
+}

dev_packages/test_gen/lib/test_gen.dart

@@ -0,0 +1,10 @@
+library test_gen;
+
+import 'package:test_gen/src/types/test_class.dart';
+import 'package:test_gen/src/test/test_class_2.dart';
+import 'package:test_gen/src/types/test_enum.dart';
+
+void main() {
+  TestClass a = TestClass(test1: "test1", test2: TestClass2(test1: "test2"), actionModeMenuItem: ActionModeMenuItem.MENU_ITEM_NONE);
+  a.toMap();
+}

dev_packages/test_gen/pubspec.lock

@@ -0,0 +1,422 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "39.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  args:
+    dependency: transitive
+    description:
+      name: args
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.1"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.9.0"
+  build:
+    dependency: transitive
+    description:
+      name: build
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.3.0"
+  build_config:
+    dependency: transitive
+    description:
+      name: build_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  build_daemon:
+    dependency: transitive
+    description:
+      name: build_daemon
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.0"
+  build_resolvers:
+    dependency: transitive
+    description:
+      name: build_resolvers
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.8"
+  build_runner:
+    dependency: "direct dev"
+    description:
+      name: build_runner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.10"
+  build_runner_core:
+    dependency: transitive
+    description:
+      name: build_runner_core
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "7.2.3"
+  built_collection:
+    dependency: transitive
+    description:
+      name: built_collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "5.1.1"
+  built_value:
+    dependency: transitive
+    description:
+      name: built_value
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "8.3.0"
+  characters:
+    dependency: transitive
+    description:
+      name: characters
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  charcode:
+    dependency: transitive
+    description:
+      name: charcode
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.1"
+  checked_yaml:
+    dependency: transitive
+    description:
+      name: checked_yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.1"
+  code_builder:
+    dependency: transitive
+    description:
+      name: code_builder
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.1.0"
+  collection:
+    dependency: transitive
+    description:
+      name: collection
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.15.0"
+  convert:
+    dependency: transitive
+    description:
+      name: convert
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.1"
+  crypto:
+    dependency: transitive
+    description:
+      name: crypto
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.0.2"
+  dart_style:
+    dependency: transitive
+    description:
+      name: dart_style
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.3"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "6.1.2"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  flutter:
+    dependency: "direct main"
+    description: flutter
+    source: sdk
+    version: "0.0.0"
+  flutter_inappwebview_internal_annotations:
+    dependency: "direct main"
+    description:
+      path: "../flutter_inappwebview_internal_annotations"
+      relative: true
+    source: path
+    version: "1.0.0"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.2"
+  generators:
+    dependency: "direct dev"
+    description:
+      path: "../generators"
+      relative: true
+    source: path
+    version: "1.0.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  graphs:
+    dependency: transitive
+    description:
+      name: graphs
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.2.0"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.0.0"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.3"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.6.4"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "4.5.0"
+  lints:
+    dependency: "direct dev"
+    description:
+      name: lints
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  logging:
+    dependency: transitive
+    description:
+      name: logging
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.12.11"
+  material_color_utilities:
+    dependency: transitive
+    description:
+      name: material_color_utilities
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "0.1.3"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.7.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.2"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.2"
+  path:
+    dependency: transitive
+    description:
+      name: path
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.8.1"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.5.0"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  pubspec_parse:
+    dependency: transitive
+    description:
+      name: pubspec_parse
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  sky_engine:
+    dependency: transitive
+    description: flutter
+    source: sdk
+    version: "0.0.99"
+  source_gen:
+    dependency: transitive
+    description:
+      name: source_gen
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.2"
+  source_span:
+    dependency: transitive
+    description:
+      name: source_span
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.9.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.10.0"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.0"
+  stream_transform:
+    dependency: transitive
+    description:
+      name: stream_transform
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.0.0"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.2.0"
+  timing:
+    dependency: transitive
+    description:
+      name: timing
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.3.0"
+  vector_math:
+    dependency: transitive
+    description:
+      name: vector_math
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.1.1"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "2.2.0"
+  yaml:
+    dependency: transitive
+    description:
+      name: yaml
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "3.1.1"
+sdks:
+  dart: ">=2.16.0 <3.0.0"
+  flutter: ">=2.5.0"

dev_packages/test_gen/pubspec.yaml

@@ -0,0 +1,20 @@
+name: test_gen
+version: 1.0.0
+
+publish_to: none
+
+environment:
+  sdk: ">=2.14.0 <3.0.0"
+  flutter: ">=2.5.0"
+
+dependencies:
+  flutter:
+    sdk: flutter
+  flutter_inappwebview_internal_annotations:
+    path: ../flutter_inappwebview_internal_annotations/
+
+dev_dependencies:
+  build_runner:
+  generators:
+    path: ../generators/
+  lints: ^1.0.1

lib/src/types/action_mode_menu_item.dart

@@ -1,68 +1,27 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+part 'action_mode_menu_item.g.dart';
+
 ///Class used to disable the action mode menu items.
-class ActionModeMenuItem {
+@ExchangeableEnum(
+    bitwiseOrOperator: true
+)
+class ActionModeMenuItem_ {
+  // ignore: unused_field
   final int _value;
-
-  const ActionModeMenuItem._internal(this._value);
-
-  ///Set of all values of [ActionModeMenuItem].
-  static final Set<ActionModeMenuItem> values = [
-    ActionModeMenuItem.MENU_ITEM_NONE,
-    ActionModeMenuItem.MENU_ITEM_SHARE,
-    ActionModeMenuItem.MENU_ITEM_WEB_SEARCH,
-    ActionModeMenuItem.MENU_ITEM_PROCESS_TEXT,
-  ].toSet();
-
-  ///Gets a possible [ActionModeMenuItem] instance from an [int] value.
-  static ActionModeMenuItem? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return ActionModeMenuItem.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        // maybe coming from a Bitwise OR operator
-        return ActionModeMenuItem._internal(value);
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "MENU_ITEM_SHARE";
-      case 2:
-        return "MENU_ITEM_WEB_SEARCH";
-      case 4:
-        return "MENU_ITEM_PROCESS_TEXT";
-      case 0:
-        return "MENU_ITEM_NONE";
-    }
-    return _value.toString();
-  }
+  const ActionModeMenuItem_._internal(this._value);
 
   ///No menu items should be disabled.
-  static const MENU_ITEM_NONE = const ActionModeMenuItem._internal(0);
+  static const MENU_ITEM_NONE = ActionModeMenuItem_._internal(0);
 
   ///Disable menu item "Share".
-  static const MENU_ITEM_SHARE = const ActionModeMenuItem._internal(1);
+  static const MENU_ITEM_SHARE = ActionModeMenuItem_._internal(1);
 
   ///Disable menu item "Web Search".
-  static const MENU_ITEM_WEB_SEARCH = const ActionModeMenuItem._internal(2);
+  static const MENU_ITEM_WEB_SEARCH = ActionModeMenuItem_._internal(2);
 
   ///Disable all the action mode menu items for text processing.
-  static const MENU_ITEM_PROCESS_TEXT = const ActionModeMenuItem._internal(4);
-
-  bool operator ==(value) => value == _value;
-
-  ActionModeMenuItem operator |(ActionModeMenuItem value) =>
-      ActionModeMenuItem._internal(value.toValue() | _value);
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const MENU_ITEM_PROCESS_TEXT = ActionModeMenuItem_._internal(4);
 }
 
 ///An Android-specific class used to disable the action mode menu items.
@@ -71,70 +30,25 @@ class ActionModeMenuItem {
 ///
 ///Use [ActionModeMenuItem] instead.
 @Deprecated("Use ActionModeMenuItem instead")
-class AndroidActionModeMenuItem {
+@ExchangeableEnum(
+    bitwiseOrOperator: true
+)
+class AndroidActionModeMenuItem_ {
+  // ignore: unused_field
   final int _value;
-
-  const AndroidActionModeMenuItem._internal(this._value);
-
-  ///Set of all values of [AndroidActionModeMenuItem].
-  static final Set<AndroidActionModeMenuItem> values = [
-    AndroidActionModeMenuItem.MENU_ITEM_NONE,
-    AndroidActionModeMenuItem.MENU_ITEM_SHARE,
-    AndroidActionModeMenuItem.MENU_ITEM_WEB_SEARCH,
-    AndroidActionModeMenuItem.MENU_ITEM_PROCESS_TEXT,
-  ].toSet();
-
-  ///Gets a possible [AndroidActionModeMenuItem] instance from an [int] value.
-  static AndroidActionModeMenuItem? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return AndroidActionModeMenuItem.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        // maybe coming from a Bitwise OR operator
-        return AndroidActionModeMenuItem._internal(value);
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "MENU_ITEM_SHARE";
-      case 2:
-        return "MENU_ITEM_WEB_SEARCH";
-      case 4:
-        return "MENU_ITEM_PROCESS_TEXT";
-      case 0:
-        return "MENU_ITEM_NONE";
-    }
-    return _value.toString();
-  }
+  const AndroidActionModeMenuItem_._internal(this._value);
 
   ///No menu items should be disabled.
-  static const MENU_ITEM_NONE = const AndroidActionModeMenuItem._internal(0);
+  static const MENU_ITEM_NONE = const AndroidActionModeMenuItem_._internal(0);
 
   ///Disable menu item "Share".
-  static const MENU_ITEM_SHARE = const AndroidActionModeMenuItem._internal(1);
+  static const MENU_ITEM_SHARE = const AndroidActionModeMenuItem_._internal(1);
 
   ///Disable menu item "Web Search".
   static const MENU_ITEM_WEB_SEARCH =
-  const AndroidActionModeMenuItem._internal(2);
+  const AndroidActionModeMenuItem_._internal(2);
 
   ///Disable all the action mode menu items for text processing.
   static const MENU_ITEM_PROCESS_TEXT =
-  const AndroidActionModeMenuItem._internal(4);
-
-  bool operator ==(value) => value == _value;
-
-  AndroidActionModeMenuItem operator |(AndroidActionModeMenuItem value) =>
-      AndroidActionModeMenuItem._internal(value.toValue() | _value);
-
-  @override
-  int get hashCode => _value.hashCode;
+  const AndroidActionModeMenuItem_._internal(4);
 }

lib/src/types/action_mode_menu_item.g.dart

@@ -0,0 +1,187 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'action_mode_menu_item.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class used to disable the action mode menu items.
+class ActionModeMenuItem {
+  final int _value;
+  final int _nativeValue;
+  const ActionModeMenuItem._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory ActionModeMenuItem._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      ActionModeMenuItem._internal(value, nativeValue());
+
+  ///No menu items should be disabled.
+  static const MENU_ITEM_NONE = ActionModeMenuItem._internal(0, 0);
+
+  ///Disable menu item "Share".
+  static const MENU_ITEM_SHARE = ActionModeMenuItem._internal(1, 1);
+
+  ///Disable menu item "Web Search".
+  static const MENU_ITEM_WEB_SEARCH = ActionModeMenuItem._internal(2, 2);
+
+  ///Disable all the action mode menu items for text processing.
+  static const MENU_ITEM_PROCESS_TEXT = ActionModeMenuItem._internal(4, 4);
+
+  ///Set of all values of [ActionModeMenuItem].
+  static final Set<ActionModeMenuItem> values = [
+    ActionModeMenuItem.MENU_ITEM_NONE,
+    ActionModeMenuItem.MENU_ITEM_SHARE,
+    ActionModeMenuItem.MENU_ITEM_WEB_SEARCH,
+    ActionModeMenuItem.MENU_ITEM_PROCESS_TEXT,
+  ].toSet();
+
+  ///Gets a possible [ActionModeMenuItem] instance from [int] value.
+  static ActionModeMenuItem? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return ActionModeMenuItem.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return ActionModeMenuItem._internal(value, value);
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [ActionModeMenuItem] instance from a native value.
+  static ActionModeMenuItem? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return ActionModeMenuItem.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return ActionModeMenuItem._internal(value, value);
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  ActionModeMenuItem operator |(ActionModeMenuItem value) =>
+      ActionModeMenuItem._internal(
+          value.toValue() | _value, value.toNativeValue() | _nativeValue);
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'MENU_ITEM_NONE';
+      case 1:
+        return 'MENU_ITEM_SHARE';
+      case 2:
+        return 'MENU_ITEM_WEB_SEARCH';
+      case 4:
+        return 'MENU_ITEM_PROCESS_TEXT';
+    }
+    return _value.toString();
+  }
+}
+
+///An Android-specific class used to disable the action mode menu items.
+///
+///**NOTE**: available on Android 24+.
+///
+///Use [ActionModeMenuItem] instead.
+@Deprecated('Use ActionModeMenuItem instead')
+class AndroidActionModeMenuItem {
+  final int _value;
+  final int _nativeValue;
+  const AndroidActionModeMenuItem._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory AndroidActionModeMenuItem._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      AndroidActionModeMenuItem._internal(value, nativeValue());
+
+  ///No menu items should be disabled.
+  static const MENU_ITEM_NONE = AndroidActionModeMenuItem._internal(0, 0);
+
+  ///Disable menu item "Share".
+  static const MENU_ITEM_SHARE = AndroidActionModeMenuItem._internal(1, 1);
+
+  ///Disable menu item "Web Search".
+  static const MENU_ITEM_WEB_SEARCH = AndroidActionModeMenuItem._internal(2, 2);
+
+  ///Disable all the action mode menu items for text processing.
+  static const MENU_ITEM_PROCESS_TEXT =
+      AndroidActionModeMenuItem._internal(4, 4);
+
+  ///Set of all values of [AndroidActionModeMenuItem].
+  static final Set<AndroidActionModeMenuItem> values = [
+    AndroidActionModeMenuItem.MENU_ITEM_NONE,
+    AndroidActionModeMenuItem.MENU_ITEM_SHARE,
+    AndroidActionModeMenuItem.MENU_ITEM_WEB_SEARCH,
+    AndroidActionModeMenuItem.MENU_ITEM_PROCESS_TEXT,
+  ].toSet();
+
+  ///Gets a possible [AndroidActionModeMenuItem] instance from [int] value.
+  static AndroidActionModeMenuItem? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return AndroidActionModeMenuItem.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return AndroidActionModeMenuItem._internal(value, value);
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AndroidActionModeMenuItem] instance from a native value.
+  static AndroidActionModeMenuItem? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return AndroidActionModeMenuItem.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return AndroidActionModeMenuItem._internal(value, value);
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  AndroidActionModeMenuItem operator |(AndroidActionModeMenuItem value) =>
+      AndroidActionModeMenuItem._internal(
+          value.toValue() | _value, value.toNativeValue() | _nativeValue);
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'MENU_ITEM_NONE';
+      case 1:
+        return 'MENU_ITEM_SHARE';
+      case 2:
+        return 'MENU_ITEM_WEB_SEARCH';
+      case 4:
+        return 'MENU_ITEM_PROCESS_TEXT';
+    }
+    return _value.toString();
+  }
+}

lib/src/types/ajax_request.dart

@@ -1,10 +1,15 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request_headers.dart';
 import 'ajax_request_ready_state.dart';
 import 'ajax_request_event.dart';
 import 'ajax_request_action.dart';
 
+part 'ajax_request.g.dart';
+
 ///Class that represents a JavaScript [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) object.
-class AjaxRequest {
+@ExchangeableObject()
+class AjaxRequest_ {
   ///Data passed as a parameter to the `XMLHttpRequest.send()` method.
   dynamic data;
 
@@ -30,10 +35,10 @@ class AjaxRequest {
   bool? withCredentials;
 
   ///The HTTP request headers.
-  AjaxRequestHeaders? headers;
+  AjaxRequestHeaders_? headers;
 
   ///The state of the `XMLHttpRequest` request.
-  AjaxRequestReadyState? readyState;
+  AjaxRequestReadyState_? readyState;
 
   ///The numerical HTTP [status code](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status) of the `XMLHttpRequest`'s response.
   int? status;
@@ -67,12 +72,12 @@ class AjaxRequest {
   Map<String, dynamic>? responseHeaders;
 
   ///Event type of the `XMLHttpRequest` request.
-  AjaxRequestEvent? event;
+  AjaxRequestEvent_? event;
 
   ///Indicates the [AjaxRequestAction] that can be used to control the `XMLHttpRequest` request.
-  AjaxRequestAction? action;
+  AjaxRequestAction_? action;
 
-  AjaxRequest(
+  AjaxRequest_(
       {this.data,
         this.method,
         this.url,
@@ -91,68 +96,6 @@ class AjaxRequest {
         this.statusText,
         this.responseHeaders,
         this.event,
-        this.action = AjaxRequestAction.PROCEED});
+        this.action = AjaxRequestAction_.PROCEED});
 
-  ///Gets a possible [AjaxRequest] instance from a [Map] value.
-  static AjaxRequest? fromMap(Map<String, dynamic>? map) {
-    if (map == null) {
-      return null;
-    }
-
-    return AjaxRequest(
-        data: map["data"],
-        method: map["method"],
-        url: map["url"] != null ? Uri.parse(map["url"]) : null,
-        isAsync: map["isAsync"],
-        user: map["user"],
-        password: map["password"],
-        withCredentials: map["withCredentials"],
-        headers:
-        AjaxRequestHeaders.fromMap(map["headers"]?.cast<String, dynamic>()),
-        readyState: AjaxRequestReadyState.fromValue(map["readyState"]),
-        status: map["status"],
-        responseURL:
-        map["responseURL"] != null ? Uri.parse(map["responseURL"]) : null,
-        responseType: map["responseType"],
-        response: map["response"],
-        responseText: map["responseText"],
-        responseXML: map["responseXML"],
-        statusText: map["statusText"],
-        responseHeaders: map["responseHeaders"]?.cast<String, dynamic>(),
-        event: AjaxRequestEvent.fromMap(map["event"]?.cast<String, dynamic>()));
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "data": data,
-      "method": method,
-      "url": url?.toString(),
-      "isAsync": isAsync,
-      "user": user,
-      "password": password,
-      "withCredentials": withCredentials,
-      "headers": headers?.toMap(),
-      "readyState": readyState?.toValue(),
-      "status": status,
-      "responseURL": responseURL?.toString(),
-      "responseType": responseType,
-      "response": response,
-      "responseText": responseText,
-      "responseXML": responseXML,
-      "statusText": statusText,
-      "responseHeaders": responseHeaders,
-      "action": action?.toValue()
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
 }

lib/src/types/ajax_request.g.dart

@@ -0,0 +1,164 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents a JavaScript [XMLHttpRequest](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest) object.
+class AjaxRequest {
+  ///Data passed as a parameter to the `XMLHttpRequest.send()` method.
+  dynamic data;
+
+  ///The HTTP request method of the `XMLHttpRequest` request.
+  String? method;
+
+  ///The URL of the `XMLHttpRequest` request.
+  Uri? url;
+
+  ///An optional Boolean parameter, defaulting to true, indicating whether or not the request is performed asynchronously.
+  bool? isAsync;
+
+  ///The optional user name to use for authentication purposes; by default, this is the null value.
+  String? user;
+
+  ///The optional password to use for authentication purposes; by default, this is the null value.
+  String? password;
+
+  ///The XMLHttpRequest.withCredentials property is a Boolean that indicates whether or not cross-site Access-Control requests
+  ///should be made using credentials such as cookies, authorization headers or TLS client certificates.
+  ///Setting withCredentials has no effect on same-site requests.
+  ///In addition, this flag is also used to indicate when cookies are to be ignored in the response. The default is false.
+  bool? withCredentials;
+
+  ///The HTTP request headers.
+  AjaxRequestHeaders? headers;
+
+  ///The state of the `XMLHttpRequest` request.
+  AjaxRequestReadyState? readyState;
+
+  ///The numerical HTTP [status code](https://developer.mozilla.org/en-US/docs/Web/HTTP/Status) of the `XMLHttpRequest`'s response.
+  int? status;
+
+  ///The serialized URL of the response or the empty string if the URL is null.
+  ///If the URL is returned, any URL fragment present in the URL will be stripped away.
+  ///The value of responseURL will be the final URL obtained after any redirects.
+  Uri? responseURL;
+
+  ///It is an enumerated string value specifying the type of data contained in the response.
+  ///It also lets the author change the [response type](https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/responseType).
+  ///If an empty string is set as the value of responseType, the default value of text is used.
+  String? responseType;
+
+  ///The response's body content. The content-type depends on the [AjaxRequest.reponseType].
+  dynamic response;
+
+  ///The text received from a server following a request being sent.
+  String? responseText;
+
+  ///The HTML or XML string retrieved by the request or null if the request was unsuccessful, has not yet been sent, or if the data can't be parsed as XML or HTML.
+  String? responseXML;
+
+  ///A String containing the response's status message as returned by the HTTP server.
+  ///Unlike [AjaxRequest.status] which indicates a numerical status code, this property contains the text of the response status, such as "OK" or "Not Found".
+  ///If the request's readyState is in [AjaxRequestReadyState.UNSENT] or [AjaxRequestReadyState.OPENED] state, the value of statusText will be an empty string.
+  ///If the server response doesn't explicitly specify a status text, statusText will assume the default value "OK".
+  String? statusText;
+
+  ///All the response headers or returns null if no response has been received. If a network error happened, an empty string is returned.
+  Map<String, dynamic>? responseHeaders;
+
+  ///Event type of the `XMLHttpRequest` request.
+  AjaxRequestEvent? event;
+
+  ///Indicates the [AjaxRequestAction] that can be used to control the `XMLHttpRequest` request.
+  AjaxRequestAction? action;
+  AjaxRequest(
+      {this.data,
+      this.method,
+      this.url,
+      this.isAsync,
+      this.user,
+      this.password,
+      this.withCredentials,
+      this.headers,
+      this.readyState,
+      this.status,
+      this.responseURL,
+      this.responseType,
+      this.response,
+      this.responseText,
+      this.responseXML,
+      this.statusText,
+      this.responseHeaders,
+      this.event,
+      this.action = AjaxRequestAction.PROCEED});
+
+  ///Gets a possible [AjaxRequest] instance from a [Map] value.
+  static AjaxRequest? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = AjaxRequest();
+    instance.data = map['data'];
+    instance.method = map['method'];
+    instance.url = map['url'] != null ? Uri.parse(map['url']) : null;
+    instance.isAsync = map['isAsync'];
+    instance.user = map['user'];
+    instance.password = map['password'];
+    instance.withCredentials = map['withCredentials'];
+    instance.headers =
+        AjaxRequestHeaders.fromMap(map['headers']?.cast<String, dynamic>());
+    instance.readyState =
+        AjaxRequestReadyState.fromNativeValue(map['readyState']);
+    instance.status = map['status'];
+    instance.responseURL =
+        map['responseURL'] != null ? Uri.parse(map['responseURL']) : null;
+    instance.responseType = map['responseType'];
+    instance.response = map['response'];
+    instance.responseText = map['responseText'];
+    instance.responseXML = map['responseXML'];
+    instance.statusText = map['statusText'];
+    instance.responseHeaders = map['responseHeaders'];
+    instance.event =
+        AjaxRequestEvent.fromMap(map['event']?.cast<String, dynamic>());
+    instance.action = AjaxRequestAction.fromNativeValue(map['action']);
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "data": data,
+      "method": method,
+      "url": url?.toString(),
+      "isAsync": isAsync,
+      "user": user,
+      "password": password,
+      "withCredentials": withCredentials,
+      "headers": headers?.toMap(),
+      "readyState": readyState?.toNativeValue(),
+      "status": status,
+      "responseURL": responseURL?.toString(),
+      "responseType": responseType,
+      "response": response,
+      "responseText": responseText,
+      "responseXML": responseXML,
+      "statusText": statusText,
+      "responseHeaders": responseHeaders,
+      "event": event?.toMap(),
+      "action": action?.toNativeValue(),
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'AjaxRequest{data: $data, method: $method, url: $url, isAsync: $isAsync, user: $user, password: $password, withCredentials: $withCredentials, headers: $headers, readyState: $readyState, status: $status, responseURL: $responseURL, responseType: $responseType, response: $response, responseText: $responseText, responseXML: $responseXML, statusText: $statusText, responseHeaders: $responseHeaders, event: $event, action: $action}';
+  }
+}

lib/src/types/ajax_request_action.dart

@@ -1,39 +1,19 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request.dart';
 
+part 'ajax_request_action.g.dart';
+
 ///Class used by [AjaxRequest] class.
-class AjaxRequestAction {
+@ExchangeableEnum()
+class AjaxRequestAction_ {
+  // ignore: unused_field
   final int _value;
-
-  const AjaxRequestAction._internal(this._value);
-
-  ///Gets [int] value.
-  int toValue() => _value;
+  const AjaxRequestAction_._internal(this._value);
 
   ///Aborts the current [AjaxRequest].
-  static const ABORT = const AjaxRequestAction._internal(0);
+  static const ABORT = const AjaxRequestAction_._internal(0);
 
   ///Proceeds with the current [AjaxRequest].
-  static const PROCEED = const AjaxRequestAction._internal(1);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "action": _value,
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
+  static const PROCEED = const AjaxRequestAction_._internal(1);
 }

lib/src/types/ajax_request_action.g.dart

@@ -0,0 +1,79 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request_action.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class used by [AjaxRequest] class.
+class AjaxRequestAction {
+  final int _value;
+  final int _nativeValue;
+  const AjaxRequestAction._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory AjaxRequestAction._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      AjaxRequestAction._internal(value, nativeValue());
+
+  ///Aborts the current [AjaxRequest].
+  static const ABORT = AjaxRequestAction._internal(0, 0);
+
+  ///Proceeds with the current [AjaxRequest].
+  static const PROCEED = AjaxRequestAction._internal(1, 1);
+
+  ///Set of all values of [AjaxRequestAction].
+  static final Set<AjaxRequestAction> values = [
+    AjaxRequestAction.ABORT,
+    AjaxRequestAction.PROCEED,
+  ].toSet();
+
+  ///Gets a possible [AjaxRequestAction] instance from [int] value.
+  static AjaxRequestAction? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestAction.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AjaxRequestAction] instance from a native value.
+  static AjaxRequestAction? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestAction.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'ABORT';
+      case 1:
+        return 'PROCEED';
+    }
+    return _value.toString();
+  }
+}

lib/src/types/ajax_request_event.dart

@@ -1,10 +1,15 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request.dart';
 import 'ajax_request_event_type.dart';
 
+part 'ajax_request_event.g.dart';
+
 ///Class used by [AjaxRequest] class. It represents events measuring progress of an [AjaxRequest].
-class AjaxRequestEvent {
+@ExchangeableObject()
+class AjaxRequestEvent_ {
   ///Event type.
-  AjaxRequestEventType? type;
+  AjaxRequestEventType_? type;
 
   ///Is a Boolean flag indicating if the total work to be done, and the amount of work already done, by the underlying process is calculable.
   ///In other words, it tells if the progress is measurable or not.
@@ -19,38 +24,5 @@ class AjaxRequestEvent {
   ///When downloading a resource using HTTP, this only represent the content itself, not headers and other overhead.
   int? total;
 
-  AjaxRequestEvent({this.type, this.lengthComputable, this.loaded, this.total});
-
-  ///Gets a possible [AjaxRequestEvent] instance from a [Map] value.
-  static AjaxRequestEvent? fromMap(Map<String, dynamic>? map) {
-    if (map == null) {
-      return null;
-    }
-
-    return AjaxRequestEvent(
-        type: AjaxRequestEventType.fromValue(map["type"]),
-        lengthComputable: map["lengthComputable"],
-        loaded: map["loaded"],
-        total: map["total"]);
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "type": type?.toValue(),
-      "lengthComputable": lengthComputable,
-      "loaded": loaded,
-      "total": total,
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
+  AjaxRequestEvent_({this.type, this.lengthComputable, this.loaded, this.total});
 }

lib/src/types/ajax_request_event.g.dart

@@ -0,0 +1,60 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request_event.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class used by [AjaxRequest] class. It represents events measuring progress of an [AjaxRequest].
+class AjaxRequestEvent {
+  ///Event type.
+  AjaxRequestEventType? type;
+
+  ///Is a Boolean flag indicating if the total work to be done, and the amount of work already done, by the underlying process is calculable.
+  ///In other words, it tells if the progress is measurable or not.
+  bool? lengthComputable;
+
+  ///Is an integer representing the amount of work already performed by the underlying process.
+  ///The ratio of work done can be calculated with the property and [AjaxRequestEvent.total].
+  ///When downloading a resource using HTTP, this only represent the part of the content itself, not headers and other overhead.
+  int? loaded;
+
+  ///Is an integer representing the total amount of work that the underlying process is in the progress of performing.
+  ///When downloading a resource using HTTP, this only represent the content itself, not headers and other overhead.
+  int? total;
+  AjaxRequestEvent({this.type, this.lengthComputable, this.loaded, this.total});
+
+  ///Gets a possible [AjaxRequestEvent] instance from a [Map] value.
+  static AjaxRequestEvent? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = AjaxRequestEvent();
+    instance.type = AjaxRequestEventType.fromNativeValue(map['type']);
+    instance.lengthComputable = map['lengthComputable'];
+    instance.loaded = map['loaded'];
+    instance.total = map['total'];
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "type": type?.toNativeValue(),
+      "lengthComputable": lengthComputable,
+      "loaded": loaded,
+      "total": total,
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'AjaxRequestEvent{type: $type, lengthComputable: $lengthComputable, loaded: $loaded, total: $total}';
+  }
+}

lib/src/types/ajax_request_event_type.dart

@@ -1,64 +1,34 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request_event.dart';
 
+part 'ajax_request_event_type.g.dart';
+
 ///Class used by [AjaxRequestEvent] class.
-class AjaxRequestEventType {
+@ExchangeableEnum()
+class AjaxRequestEventType_ {
   final String _value;
-
-  const AjaxRequestEventType._internal(this._value);
-
-  ///Set of all values of [AjaxRequestEventType].
-  static final Set<AjaxRequestEventType> values = [
-    AjaxRequestEventType.LOADSTART,
-    AjaxRequestEventType.LOAD,
-    AjaxRequestEventType.LOADEND,
-    AjaxRequestEventType.PROGRESS,
-    AjaxRequestEventType.ERROR,
-    AjaxRequestEventType.ABORT,
-    AjaxRequestEventType.TIMEOUT,
-  ].toSet();
-
-  ///Gets a possible [AjaxRequestEventType] instance from a [String] value.
-  static AjaxRequestEventType? fromValue(String? value) {
-    if (value != null) {
-      try {
-        return AjaxRequestEventType.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [String] value.
-  String toValue() => _value;
-
-  String toString() => _value;
+  const AjaxRequestEventType_._internal(this._value);
 
   ///The LOADSTART event is fired when a request has started to load data.
-  static const LOADSTART = const AjaxRequestEventType._internal("loadstart");
+  static const LOADSTART = const AjaxRequestEventType_._internal("loadstart");
 
   ///The LOAD event is fired when an `XMLHttpRequest` transaction completes successfully.
-  static const LOAD = const AjaxRequestEventType._internal("load");
+  static const LOAD = const AjaxRequestEventType_._internal("load");
 
   ///The LOADEND event is fired when a request has completed, whether successfully (after [AjaxRequestEventType.LOAD]) or
   ///unsuccessfully (after [AjaxRequestEventType.ABORT] or [AjaxRequestEventType.ERROR]).
-  static const LOADEND = const AjaxRequestEventType._internal("loadend");
+  static const LOADEND = const AjaxRequestEventType_._internal("loadend");
 
   ///The PROGRESS event is fired periodically when a request receives more data.
-  static const PROGRESS = const AjaxRequestEventType._internal("progress");
+  static const PROGRESS = const AjaxRequestEventType_._internal("progress");
 
   ///The ERROR event is fired when the request encountered an error.
-  static const ERROR = const AjaxRequestEventType._internal("error");
+  static const ERROR = const AjaxRequestEventType_._internal("error");
 
   ///The ABORT event is fired when a request has been aborted.
-  static const ABORT = const AjaxRequestEventType._internal("abort");
+  static const ABORT = const AjaxRequestEventType_._internal("abort");
 
   ///The TIMEOUT event is fired when progression is terminated due to preset time expiring.
-  static const TIMEOUT = const AjaxRequestEventType._internal("timeout");
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const TIMEOUT = const AjaxRequestEventType_._internal("timeout");
 }

lib/src/types/ajax_request_event_type.g.dart

@@ -0,0 +1,96 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request_event_type.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class used by [AjaxRequestEvent] class.
+class AjaxRequestEventType {
+  final String _value;
+  final String _nativeValue;
+  const AjaxRequestEventType._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory AjaxRequestEventType._internalMultiPlatform(
+          String value, Function nativeValue) =>
+      AjaxRequestEventType._internal(value, nativeValue());
+
+  ///The LOADSTART event is fired when a request has started to load data.
+  static const LOADSTART =
+      AjaxRequestEventType._internal('loadstart', 'loadstart');
+
+  ///The LOAD event is fired when an `XMLHttpRequest` transaction completes successfully.
+  static const LOAD = AjaxRequestEventType._internal('load', 'load');
+
+  ///The LOADEND event is fired when a request has completed, whether successfully (after [AjaxRequestEventType.LOAD]) or
+  ///unsuccessfully (after [AjaxRequestEventType.ABORT] or [AjaxRequestEventType.ERROR]).
+  static const LOADEND = AjaxRequestEventType._internal('loadend', 'loadend');
+
+  ///The PROGRESS event is fired periodically when a request receives more data.
+  static const PROGRESS =
+      AjaxRequestEventType._internal('progress', 'progress');
+
+  ///The ERROR event is fired when the request encountered an error.
+  static const ERROR = AjaxRequestEventType._internal('error', 'error');
+
+  ///The ABORT event is fired when a request has been aborted.
+  static const ABORT = AjaxRequestEventType._internal('abort', 'abort');
+
+  ///The TIMEOUT event is fired when progression is terminated due to preset time expiring.
+  static const TIMEOUT = AjaxRequestEventType._internal('timeout', 'timeout');
+
+  ///Set of all values of [AjaxRequestEventType].
+  static final Set<AjaxRequestEventType> values = [
+    AjaxRequestEventType.LOADSTART,
+    AjaxRequestEventType.LOAD,
+    AjaxRequestEventType.LOADEND,
+    AjaxRequestEventType.PROGRESS,
+    AjaxRequestEventType.ERROR,
+    AjaxRequestEventType.ABORT,
+    AjaxRequestEventType.TIMEOUT,
+  ].toSet();
+
+  ///Gets a possible [AjaxRequestEventType] instance from [String] value.
+  static AjaxRequestEventType? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestEventType.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AjaxRequestEventType] instance from a native value.
+  static AjaxRequestEventType? fromNativeValue(String? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestEventType.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [String] value.
+  String toValue() => _value;
+
+  ///Gets [String] native value.
+  String toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    return _value;
+  }
+}

lib/src/types/ajax_request_headers.dart

@@ -1,19 +1,25 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request.dart';
 
+part 'ajax_request_headers.g.dart';
+
 ///Class that represents the HTTP headers of an [AjaxRequest].
-class AjaxRequestHeaders {
+@ExchangeableObject()
+class AjaxRequestHeaders_ {
   Map<String, dynamic> _headers;
   Map<String, dynamic> _newHeaders = {};
 
-  AjaxRequestHeaders(this._headers);
+  @ExchangeableObjectConstructor()
+  AjaxRequestHeaders_(this._headers);
 
   ///Gets a possible [AjaxRequestHeaders] instance from a [Map] value.
-  static AjaxRequestHeaders? fromMap(Map<String, dynamic>? map) {
+  static AjaxRequestHeaders_? fromMap(Map<String, dynamic>? map) {
     if (map == null) {
       return null;
     }
 
-    return AjaxRequestHeaders(map);
+    return AjaxRequestHeaders_(map);
   }
 
   ///Gets the HTTP headers of the [AjaxRequest].
@@ -34,13 +40,8 @@ class AjaxRequestHeaders {
     return _newHeaders;
   }
 
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return toMap();
-  }
-
   @override
   String toString() {
-    return toMap().toString();
+    return 'AjaxRequestHeaders{headers: $_headers, requestHeaders: $_newHeaders}';
   }
 }

lib/src/types/ajax_request_headers.g.dart

@@ -0,0 +1,50 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request_headers.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents the HTTP headers of an [AjaxRequest].
+class AjaxRequestHeaders {
+  Map<String, dynamic> _headers;
+  Map<String, dynamic> _newHeaders = {};
+  AjaxRequestHeaders(this._headers);
+
+  ///Gets a possible [AjaxRequestHeaders] instance from a [Map] value.
+  static AjaxRequestHeaders? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    return AjaxRequestHeaders(map);
+  }
+
+  ///Gets the HTTP headers of the [AjaxRequest].
+  Map<String, dynamic> getHeaders() {
+    return this._headers;
+  }
+
+  ///Sets/updates an HTTP header of the [AjaxRequest]. If there is already an existing [header] with the same name, the values are merged into one single request header.
+  ///For security reasons, some headers can only be controlled by the user agent.
+  ///These headers include the [forbidden header names](https://developer.mozilla.org/en-US/docs/Glossary/Forbidden_header_name)
+  ///and [forbidden response header names](https://developer.mozilla.org/en-US/docs/Glossary/Forbidden_response_header_name).
+  void setRequestHeader(String header, String value) {
+    _newHeaders[header] = value;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return _newHeaders;
+  }
+
+  @override
+  String toString() {
+    return 'AjaxRequestHeaders{headers: $_headers, requestHeaders: $_newHeaders}';
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+}

lib/src/types/ajax_request_ready_state.dart

@@ -1,70 +1,28 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ajax_request.dart';
 
+part 'ajax_request_ready_state.g.dart';
+
 ///Class used by [AjaxRequest] class. It represents the state of an [AjaxRequest].
-class AjaxRequestReadyState {
+@ExchangeableEnum()
+class AjaxRequestReadyState_ {
+  // ignore: unused_field
   final int _value;
-
-  const AjaxRequestReadyState._internal(this._value);
-
-  ///Set of all values of [AjaxRequestReadyState].
-  static final Set<AjaxRequestReadyState> values = [
-    AjaxRequestReadyState.UNSENT,
-    AjaxRequestReadyState.OPENED,
-    AjaxRequestReadyState.HEADERS_RECEIVED,
-    AjaxRequestReadyState.LOADING,
-    AjaxRequestReadyState.DONE,
-  ].toSet();
-
-  ///Gets a possible [AjaxRequestReadyState] instance from an [int] value.
-  static AjaxRequestReadyState? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return AjaxRequestReadyState.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "OPENED";
-      case 2:
-        return "HEADERS_RECEIVED";
-      case 3:
-        return "LOADING";
-      case 4:
-        return "DONE";
-      case 0:
-      default:
-        return "UNSENT";
-    }
-  }
+  const AjaxRequestReadyState_._internal(this._value);
 
   ///Client has been created. `XMLHttpRequest.open()` not called yet.
-  static const UNSENT = const AjaxRequestReadyState._internal(0);
+  static const UNSENT = const AjaxRequestReadyState_._internal(0);
 
   ///`XMLHttpRequest.open()` has been called.
-  static const OPENED = const AjaxRequestReadyState._internal(1);
+  static const OPENED = const AjaxRequestReadyState_._internal(1);
 
   ///`XMLHttpRequest.send()` has been called, and [AjaxRequest.headers] and [AjaxRequest.status] are available.
-  static const HEADERS_RECEIVED = const AjaxRequestReadyState._internal(2);
+  static const HEADERS_RECEIVED = const AjaxRequestReadyState_._internal(2);
 
   ///Downloading; [AjaxRequest.responseText] holds partial data.
-  static const LOADING = const AjaxRequestReadyState._internal(3);
+  static const LOADING = const AjaxRequestReadyState_._internal(3);
 
   ///The operation is complete.
-  static const DONE = const AjaxRequestReadyState._internal(4);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const DONE = const AjaxRequestReadyState_._internal(4);
 }

lib/src/types/ajax_request_ready_state.g.dart

@@ -0,0 +1,97 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ajax_request_ready_state.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class used by [AjaxRequest] class. It represents the state of an [AjaxRequest].
+class AjaxRequestReadyState {
+  final int _value;
+  final int _nativeValue;
+  const AjaxRequestReadyState._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory AjaxRequestReadyState._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      AjaxRequestReadyState._internal(value, nativeValue());
+
+  ///Client has been created. `XMLHttpRequest.open()` not called yet.
+  static const UNSENT = AjaxRequestReadyState._internal(0, 0);
+
+  ///`XMLHttpRequest.open()` has been called.
+  static const OPENED = AjaxRequestReadyState._internal(1, 1);
+
+  ///`XMLHttpRequest.send()` has been called, and [AjaxRequest.headers] and [AjaxRequest.status] are available.
+  static const HEADERS_RECEIVED = AjaxRequestReadyState._internal(2, 2);
+
+  ///Downloading; [AjaxRequest.responseText] holds partial data.
+  static const LOADING = AjaxRequestReadyState._internal(3, 3);
+
+  ///The operation is complete.
+  static const DONE = AjaxRequestReadyState._internal(4, 4);
+
+  ///Set of all values of [AjaxRequestReadyState].
+  static final Set<AjaxRequestReadyState> values = [
+    AjaxRequestReadyState.UNSENT,
+    AjaxRequestReadyState.OPENED,
+    AjaxRequestReadyState.HEADERS_RECEIVED,
+    AjaxRequestReadyState.LOADING,
+    AjaxRequestReadyState.DONE,
+  ].toSet();
+
+  ///Gets a possible [AjaxRequestReadyState] instance from [int] value.
+  static AjaxRequestReadyState? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestReadyState.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AjaxRequestReadyState] instance from a native value.
+  static AjaxRequestReadyState? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return AjaxRequestReadyState.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'UNSENT';
+      case 1:
+        return 'OPENED';
+      case 2:
+        return 'HEADERS_RECEIVED';
+      case 3:
+        return 'LOADING';
+      case 4:
+        return 'DONE';
+    }
+    return _value.toString();
+  }
+}

lib/src/types/attributed_string.dart

@@ -1,13 +1,18 @@
 import 'dart:ui';
 
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import '../pull_to_refresh/main.dart';
 import 'underline_style.dart';
 import 'attributed_string_text_effect_style.dart';
 import '../util.dart';
 
+part 'attributed_string.g.dart';
+
 ///Class that represents a string with associated attributes
 ///used by the [PullToRefreshController] and [PullToRefreshSettings] classes.
-class AttributedString {
+@ExchangeableObject()
+class AttributedString_ {
   ///The characters for the new object.
   String string;
 
@@ -69,7 +74,7 @@ class AttributedString {
   ///
   ///This value indicates whether the text has a line through it and corresponds to one of the constants described in [UnderlineStyle].
   ///The default value for this attribute is [UnderlineStyle.STYLE_NONE].
-  UnderlineStyle? strikethroughStyle;
+  UnderlineStyle_? strikethroughStyle;
 
   ///The color of the stroke.
   ///
@@ -92,7 +97,7 @@ class AttributedString {
   ///
   ///The value of this attribute is a [AttributedStringTextEffectStyle] object.
   ///The default value of this property is `null`, indicating no text effect.
-  AttributedStringTextEffectStyle? textEffect;
+  AttributedStringTextEffectStyle_? textEffect;
 
   ///The color of the underline.
   ///
@@ -104,9 +109,9 @@ class AttributedString {
   ///
   ///This value indicates whether the text is underlined and corresponds to one of the constants described in [UnderlineStyle].
   ///The default value for this attribute is [UnderlineStyle.STYLE_NONE].
-  UnderlineStyle? underlineStyle;
+  UnderlineStyle_? underlineStyle;
 
-  AttributedString({
+  AttributedString_({
     required this.string,
     this.backgroundColor,
     this.baselineOffset,
@@ -123,42 +128,14 @@ class AttributedString {
     this.underlineColor,
     this.underlineStyle,
   });
-
-  Map<String, dynamic> toMap() {
-    return {
-      "string": this.string,
-      "backgroundColor": this.backgroundColor?.toHex(),
-      "baselineOffset": this.baselineOffset,
-      "expansion": this.expansion,
-      "foregroundColor": this.foregroundColor?.toHex(),
-      "kern": this.kern,
-      "ligature": this.ligature,
-      "obliqueness": this.obliqueness,
-      "strikethroughColor": this.strikethroughColor?.toHex(),
-      "strikethroughStyle": this.strikethroughStyle?.toValue(),
-      "strokeColor": this.strokeColor?.toHex(),
-      "strokeWidth": this.strokeWidth,
-      "textEffect": this.textEffect?.toValue(),
-      "underlineColor": this.underlineColor?.toHex(),
-      "underlineStyle": this.underlineStyle?.toValue(),
-    };
-  }
-
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
 }
 
 ///An iOS-specific class that represents a string with associated attributes
 ///used by the [PullToRefreshController] and [PullToRefreshOptions] classes.
 ///Use [AttributedString] instead.
 @Deprecated("Use AttributedString instead")
-class IOSNSAttributedString {
+@ExchangeableObject()
+class IOSNSAttributedString_ {
   ///The characters for the new object.
   String string;
 
@@ -220,7 +197,7 @@ class IOSNSAttributedString {
   ///
   ///This value indicates whether the text has a line through it and corresponds to one of the constants described in [IOSNSUnderlineStyle].
   ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
-  IOSNSUnderlineStyle? strikethroughStyle;
+  IOSNSUnderlineStyle_? strikethroughStyle;
 
   ///The color of the stroke.
   ///
@@ -243,7 +220,7 @@ class IOSNSAttributedString {
   ///
   ///The value of this attribute is a [IOSNSAttributedStringTextEffectStyle] object.
   ///The default value of this property is `null`, indicating no text effect.
-  IOSNSAttributedStringTextEffectStyle? textEffect;
+  IOSNSAttributedStringTextEffectStyle_? textEffect;
 
   ///The color of the underline.
   ///
@@ -255,9 +232,9 @@ class IOSNSAttributedString {
   ///
   ///This value indicates whether the text is underlined and corresponds to one of the constants described in [IOSNSUnderlineStyle].
   ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
-  IOSNSUnderlineStyle? underlineStyle;
+  IOSNSUnderlineStyle_? underlineStyle;
 
-  IOSNSAttributedString({
+  IOSNSAttributedString_({
     required this.string,
     this.backgroundColor,
     this.baselineOffset,
@@ -274,35 +251,4 @@ class IOSNSAttributedString {
     this.underlineColor,
     this.underlineStyle,
   });
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "string": this.string,
-      "backgroundColor": this.backgroundColor?.toHex(),
-      "baselineOffset": this.baselineOffset,
-      "expansion": this.expansion,
-      "foregroundColor": this.foregroundColor?.toHex(),
-      "kern": this.kern,
-      "ligature": this.ligature,
-      "obliqueness": this.obliqueness,
-      "strikethroughColor": this.strikethroughColor?.toHex(),
-      "strikethroughStyle": this.strikethroughStyle?.toValue(),
-      "strokeColor": this.strokeColor?.toHex(),
-      "strokeWidth": this.strokeWidth,
-      "textEffect": this.textEffect?.toValue(),
-      "underlineColor": this.underlineColor?.toHex(),
-      "underlineStyle": this.underlineStyle?.toValue(),
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
 }

lib/src/types/attributed_string.g.dart

@@ -0,0 +1,383 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'attributed_string.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents a string with associated attributes
+///used by the [PullToRefreshController] and [PullToRefreshSettings] classes.
+class AttributedString {
+  ///The characters for the new object.
+  String string;
+
+  ///The color of the background behind the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the background area behind the text.
+  ///If you do not specify this attribute, no background color is drawn.
+  Color? backgroundColor;
+
+  ///The vertical offset for the position of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the character’s offset from the baseline, in points.
+  ///The default value is `0`.
+  double? baselineOffset;
+
+  ///The expansion factor of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the log of the expansion factor to be applied to glyphs.
+  ///The default value is `0`, indicating no expansion.
+  double? expansion;
+
+  ///The color of the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the text during rendering.
+  ///If you do not specify this attribute, the text is rendered in black.
+  Color? foregroundColor;
+
+  ///The kerning of the text.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value specifies the number of points by which to adjust kern-pair characters.
+  ///Kerning prevents unwanted space from occurring between specific characters and depends on the font.
+  ///The value `0` means kerning is disabled. The default value for this attribute is `0`.
+  double? kern;
+
+  ///The ligature of the text.
+  ///
+  ///The value of this attribute is a number containing an integer.
+  ///Ligatures cause specific character combinations to be rendered using a single custom glyph that corresponds to those characters.
+  ///The value `0` indicates no ligatures. The value `1` indicates the use of the default ligatures.
+  ///The value `2` indicates the use of all ligatures.
+  ///The default value for this attribute is `1`. (Value `2` is unsupported on iOS.)
+  int? ligature;
+
+  ///The obliqueness of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating skew to be applied to glyphs.
+  ///The default value is `0`, indicating no skew.
+  double? obliqueness;
+
+  ///The color of the strikethrough.
+  ///
+  ///The value of this attribute is a [Color] object. The default value is `null`, indicating same as foreground color.
+  Color? strikethroughColor;
+
+  ///The strikethrough style of the text.
+  ///
+  ///This value indicates whether the text has a line through it and corresponds to one of the constants described in [UnderlineStyle].
+  ///The default value for this attribute is [UnderlineStyle.STYLE_NONE].
+  UnderlineStyle? strikethroughStyle;
+
+  ///The color of the stroke.
+  ///
+  ///The value of this parameter is a [Color] object.
+  ///If it is not defined (which is the case by default), it is assumed to be the same as the value of foregroundColor;
+  ///otherwise, it describes the outline color.
+  Color? strokeColor;
+
+  ///The width of the stroke.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value represents the amount to change the stroke width and is specified as a percentage of the font point size.
+  ///Specify `0` (the default) for no additional changes.
+  ///Specify positive values to change the stroke width alone.
+  ///Specify negative values to stroke and fill the text.
+  ///For example, a typical value for outlined text would be `3.0`.
+  double? strokeWidth;
+
+  ///The text effect.
+  ///
+  ///The value of this attribute is a [AttributedStringTextEffectStyle] object.
+  ///The default value of this property is `null`, indicating no text effect.
+  AttributedStringTextEffectStyle? textEffect;
+
+  ///The color of the underline.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///The default value is `null`, indicating same as foreground color.
+  Color? underlineColor;
+
+  ///The underline style of the text.
+  ///
+  ///This value indicates whether the text is underlined and corresponds to one of the constants described in [UnderlineStyle].
+  ///The default value for this attribute is [UnderlineStyle.STYLE_NONE].
+  UnderlineStyle? underlineStyle;
+  AttributedString(
+      {required this.string,
+      this.backgroundColor,
+      this.baselineOffset,
+      this.expansion,
+      this.foregroundColor,
+      this.kern,
+      this.ligature,
+      this.obliqueness,
+      this.strikethroughColor,
+      this.strikethroughStyle,
+      this.strokeColor,
+      this.strokeWidth,
+      this.textEffect,
+      this.underlineColor,
+      this.underlineStyle});
+
+  ///Gets a possible [AttributedString] instance from a [Map] value.
+  static AttributedString? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = AttributedString(
+      string: map['string'],
+    );
+    instance.backgroundColor = map['backgroundColor'] != null
+        ? UtilColor.fromStringRepresentation(map['backgroundColor'])
+        : null;
+    instance.baselineOffset = map['baselineOffset'];
+    instance.expansion = map['expansion'];
+    instance.foregroundColor = map['foregroundColor'] != null
+        ? UtilColor.fromStringRepresentation(map['foregroundColor'])
+        : null;
+    instance.kern = map['kern'];
+    instance.ligature = map['ligature'];
+    instance.obliqueness = map['obliqueness'];
+    instance.strikethroughColor = map['strikethroughColor'] != null
+        ? UtilColor.fromStringRepresentation(map['strikethroughColor'])
+        : null;
+    instance.strikethroughStyle =
+        UnderlineStyle.fromNativeValue(map['strikethroughStyle']);
+    instance.strokeColor = map['strokeColor'] != null
+        ? UtilColor.fromStringRepresentation(map['strokeColor'])
+        : null;
+    instance.strokeWidth = map['strokeWidth'];
+    instance.textEffect =
+        AttributedStringTextEffectStyle.fromNativeValue(map['textEffect']);
+    instance.underlineColor = map['underlineColor'] != null
+        ? UtilColor.fromStringRepresentation(map['underlineColor'])
+        : null;
+    instance.underlineStyle =
+        UnderlineStyle.fromNativeValue(map['underlineStyle']);
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "string": string,
+      "backgroundColor": backgroundColor?.toHex(),
+      "baselineOffset": baselineOffset,
+      "expansion": expansion,
+      "foregroundColor": foregroundColor?.toHex(),
+      "kern": kern,
+      "ligature": ligature,
+      "obliqueness": obliqueness,
+      "strikethroughColor": strikethroughColor?.toHex(),
+      "strikethroughStyle": strikethroughStyle?.toNativeValue(),
+      "strokeColor": strokeColor?.toHex(),
+      "strokeWidth": strokeWidth,
+      "textEffect": textEffect?.toNativeValue(),
+      "underlineColor": underlineColor?.toHex(),
+      "underlineStyle": underlineStyle?.toNativeValue(),
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'AttributedString{string: $string, backgroundColor: $backgroundColor, baselineOffset: $baselineOffset, expansion: $expansion, foregroundColor: $foregroundColor, kern: $kern, ligature: $ligature, obliqueness: $obliqueness, strikethroughColor: $strikethroughColor, strikethroughStyle: $strikethroughStyle, strokeColor: $strokeColor, strokeWidth: $strokeWidth, textEffect: $textEffect, underlineColor: $underlineColor, underlineStyle: $underlineStyle}';
+  }
+}
+
+///An iOS-specific class that represents a string with associated attributes
+///used by the [PullToRefreshController] and [PullToRefreshOptions] classes.
+///Use [AttributedString] instead.
+@Deprecated('Use AttributedString instead')
+class IOSNSAttributedString {
+  ///The characters for the new object.
+  String string;
+
+  ///The color of the background behind the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the background area behind the text.
+  ///If you do not specify this attribute, no background color is drawn.
+  Color? backgroundColor;
+
+  ///The vertical offset for the position of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the character’s offset from the baseline, in points.
+  ///The default value is `0`.
+  double? baselineOffset;
+
+  ///The expansion factor of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating the log of the expansion factor to be applied to glyphs.
+  ///The default value is `0`, indicating no expansion.
+  double? expansion;
+
+  ///The color of the text.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///Use this attribute to specify the color of the text during rendering.
+  ///If you do not specify this attribute, the text is rendered in black.
+  Color? foregroundColor;
+
+  ///The kerning of the text.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value specifies the number of points by which to adjust kern-pair characters.
+  ///Kerning prevents unwanted space from occurring between specific characters and depends on the font.
+  ///The value `0` means kerning is disabled. The default value for this attribute is `0`.
+  double? kern;
+
+  ///The ligature of the text.
+  ///
+  ///The value of this attribute is a number containing an integer.
+  ///Ligatures cause specific character combinations to be rendered using a single custom glyph that corresponds to those characters.
+  ///The value `0` indicates no ligatures. The value `1` indicates the use of the default ligatures.
+  ///The value `2` indicates the use of all ligatures.
+  ///The default value for this attribute is `1`. (Value `2` is unsupported on iOS.)
+  int? ligature;
+
+  ///The obliqueness of the text.
+  ///
+  ///The value of this attribute is a number containing a floating point value indicating skew to be applied to glyphs.
+  ///The default value is `0`, indicating no skew.
+  double? obliqueness;
+
+  ///The color of the strikethrough.
+  ///
+  ///The value of this attribute is a [Color] object. The default value is `null`, indicating same as foreground color.
+  Color? strikethroughColor;
+
+  ///The strikethrough style of the text.
+  ///
+  ///This value indicates whether the text has a line through it and corresponds to one of the constants described in [IOSNSUnderlineStyle].
+  ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
+  IOSNSUnderlineStyle? strikethroughStyle;
+
+  ///The color of the stroke.
+  ///
+  ///The value of this parameter is a [Color] object.
+  ///If it is not defined (which is the case by default), it is assumed to be the same as the value of foregroundColor;
+  ///otherwise, it describes the outline color.
+  Color? strokeColor;
+
+  ///The width of the stroke.
+  ///
+  ///The value of this attribute is a number containing a floating-point value.
+  ///This value represents the amount to change the stroke width and is specified as a percentage of the font point size.
+  ///Specify `0` (the default) for no additional changes.
+  ///Specify positive values to change the stroke width alone.
+  ///Specify negative values to stroke and fill the text.
+  ///For example, a typical value for outlined text would be `3.0`.
+  double? strokeWidth;
+
+  ///The text effect.
+  ///
+  ///The value of this attribute is a [IOSNSAttributedStringTextEffectStyle] object.
+  ///The default value of this property is `null`, indicating no text effect.
+  IOSNSAttributedStringTextEffectStyle? textEffect;
+
+  ///The color of the underline.
+  ///
+  ///The value of this attribute is a [Color] object.
+  ///The default value is `null`, indicating same as foreground color.
+  Color? underlineColor;
+
+  ///The underline style of the text.
+  ///
+  ///This value indicates whether the text is underlined and corresponds to one of the constants described in [IOSNSUnderlineStyle].
+  ///The default value for this attribute is [IOSNSUnderlineStyle.STYLE_NONE].
+  IOSNSUnderlineStyle? underlineStyle;
+  IOSNSAttributedString(
+      {required this.string,
+      this.backgroundColor,
+      this.baselineOffset,
+      this.expansion,
+      this.foregroundColor,
+      this.kern,
+      this.ligature,
+      this.obliqueness,
+      this.strikethroughColor,
+      this.strikethroughStyle,
+      this.strokeColor,
+      this.strokeWidth,
+      this.textEffect,
+      this.underlineColor,
+      this.underlineStyle});
+
+  ///Gets a possible [IOSNSAttributedString] instance from a [Map] value.
+  static IOSNSAttributedString? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = IOSNSAttributedString(
+      string: map['string'],
+    );
+    instance.backgroundColor = map['backgroundColor'] != null
+        ? UtilColor.fromStringRepresentation(map['backgroundColor'])
+        : null;
+    instance.baselineOffset = map['baselineOffset'];
+    instance.expansion = map['expansion'];
+    instance.foregroundColor = map['foregroundColor'] != null
+        ? UtilColor.fromStringRepresentation(map['foregroundColor'])
+        : null;
+    instance.kern = map['kern'];
+    instance.ligature = map['ligature'];
+    instance.obliqueness = map['obliqueness'];
+    instance.strikethroughColor = map['strikethroughColor'] != null
+        ? UtilColor.fromStringRepresentation(map['strikethroughColor'])
+        : null;
+    instance.strikethroughStyle =
+        IOSNSUnderlineStyle.fromNativeValue(map['strikethroughStyle']);
+    instance.strokeColor = map['strokeColor'] != null
+        ? UtilColor.fromStringRepresentation(map['strokeColor'])
+        : null;
+    instance.strokeWidth = map['strokeWidth'];
+    instance.textEffect =
+        IOSNSAttributedStringTextEffectStyle.fromNativeValue(map['textEffect']);
+    instance.underlineColor = map['underlineColor'] != null
+        ? UtilColor.fromStringRepresentation(map['underlineColor'])
+        : null;
+    instance.underlineStyle =
+        IOSNSUnderlineStyle.fromNativeValue(map['underlineStyle']);
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "string": string,
+      "backgroundColor": backgroundColor?.toHex(),
+      "baselineOffset": baselineOffset,
+      "expansion": expansion,
+      "foregroundColor": foregroundColor?.toHex(),
+      "kern": kern,
+      "ligature": ligature,
+      "obliqueness": obliqueness,
+      "strikethroughColor": strikethroughColor?.toHex(),
+      "strikethroughStyle": strikethroughStyle?.toNativeValue(),
+      "strokeColor": strokeColor?.toHex(),
+      "strokeWidth": strokeWidth,
+      "textEffect": textEffect?.toNativeValue(),
+      "underlineColor": underlineColor?.toHex(),
+      "underlineStyle": underlineStyle?.toNativeValue(),
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'IOSNSAttributedString{string: $string, backgroundColor: $backgroundColor, baselineOffset: $baselineOffset, expansion: $expansion, foregroundColor: $foregroundColor, kern: $kern, ligature: $ligature, obliqueness: $obliqueness, strikethroughColor: $strikethroughColor, strikethroughStyle: $strikethroughStyle, strokeColor: $strokeColor, strokeWidth: $strokeWidth, textEffect: $textEffect, underlineColor: $underlineColor, underlineStyle: $underlineStyle}';
+  }
+}

lib/src/types/attributed_string_text_effect_style.dart

@@ -1,81 +1,29 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+part 'attributed_string_text_effect_style.g.dart';
+
 ///Class that represents the supported proxy types.
-class AttributedStringTextEffectStyle {
+@ExchangeableEnum()
+class AttributedStringTextEffectStyle_ {
+  // ignore: unused_field
   final String _value;
-
-  const AttributedStringTextEffectStyle._internal(this._value);
-
-  ///Set of all values of [AttributedStringTextEffectStyle].
-  static final Set<AttributedStringTextEffectStyle> values = [
-    AttributedStringTextEffectStyle.LETTERPRESS_STYLE,
-  ].toSet();
-
-  ///Gets a possible [AttributedStringTextEffectStyle] instance from a [String] value.
-  static AttributedStringTextEffectStyle? fromValue(String? value) {
-    if (value != null) {
-      try {
-        return AttributedStringTextEffectStyle.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [String] value.
-  String toValue() => _value;
-
-  @override
-  String toString() => _value;
+  const AttributedStringTextEffectStyle_._internal(this._value);
 
   ///A graphical text effect that gives glyphs the appearance of letterpress printing, which involves pressing the type into the paper.
   static const LETTERPRESS_STYLE =
-  const AttributedStringTextEffectStyle._internal("letterpressStyle");
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  const AttributedStringTextEffectStyle_._internal("letterpressStyle");
 }
 
 ///An iOS-specific Class that represents the supported proxy types.
 ///Use [AttributedStringTextEffectStyle] instead.
 @Deprecated("Use AttributedStringTextEffectStyle instead")
-class IOSNSAttributedStringTextEffectStyle {
+@ExchangeableEnum()
+class IOSNSAttributedStringTextEffectStyle_ {
+  // ignore: unused_field
   final String _value;
-
-  const IOSNSAttributedStringTextEffectStyle._internal(this._value);
-
-  ///Set of all values of [IOSNSAttributedStringTextEffectStyle].
-  static final Set<IOSNSAttributedStringTextEffectStyle> values = [
-    IOSNSAttributedStringTextEffectStyle.LETTERPRESS_STYLE,
-  ].toSet();
-
-  ///Gets a possible [IOSNSAttributedStringTextEffectStyle] instance from a [String] value.
-  static IOSNSAttributedStringTextEffectStyle? fromValue(String? value) {
-    if (value != null) {
-      try {
-        return IOSNSAttributedStringTextEffectStyle.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [String] value.
-  String toValue() => _value;
-
-  @override
-  String toString() => _value;
+  const IOSNSAttributedStringTextEffectStyle_._internal(this._value);
 
   ///A graphical text effect that gives glyphs the appearance of letterpress printing, which involves pressing the type into the paper.
   static const LETTERPRESS_STYLE =
-  const IOSNSAttributedStringTextEffectStyle._internal("letterpressStyle");
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  const IOSNSAttributedStringTextEffectStyle_._internal("letterpressStyle");
 }

lib/src/types/attributed_string_text_effect_style.g.dart

@@ -0,0 +1,138 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'attributed_string_text_effect_style.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class that represents the supported proxy types.
+class AttributedStringTextEffectStyle {
+  final String _value;
+  final String _nativeValue;
+  const AttributedStringTextEffectStyle._internal(
+      this._value, this._nativeValue);
+// ignore: unused_element
+  factory AttributedStringTextEffectStyle._internalMultiPlatform(
+          String value, Function nativeValue) =>
+      AttributedStringTextEffectStyle._internal(value, nativeValue());
+
+  ///A graphical text effect that gives glyphs the appearance of letterpress printing, which involves pressing the type into the paper.
+  static const LETTERPRESS_STYLE = AttributedStringTextEffectStyle._internal(
+      'letterpressStyle', 'letterpressStyle');
+
+  ///Set of all values of [AttributedStringTextEffectStyle].
+  static final Set<AttributedStringTextEffectStyle> values = [
+    AttributedStringTextEffectStyle.LETTERPRESS_STYLE,
+  ].toSet();
+
+  ///Gets a possible [AttributedStringTextEffectStyle] instance from [String] value.
+  static AttributedStringTextEffectStyle? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return AttributedStringTextEffectStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AttributedStringTextEffectStyle] instance from a native value.
+  static AttributedStringTextEffectStyle? fromNativeValue(String? value) {
+    if (value != null) {
+      try {
+        return AttributedStringTextEffectStyle.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [String] value.
+  String toValue() => _value;
+
+  ///Gets [String] native value.
+  String toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    return _value;
+  }
+}
+
+///An iOS-specific Class that represents the supported proxy types.
+///Use [AttributedStringTextEffectStyle] instead.
+@Deprecated('Use AttributedStringTextEffectStyle instead')
+class IOSNSAttributedStringTextEffectStyle {
+  final String _value;
+  final String _nativeValue;
+  const IOSNSAttributedStringTextEffectStyle._internal(
+      this._value, this._nativeValue);
+// ignore: unused_element
+  factory IOSNSAttributedStringTextEffectStyle._internalMultiPlatform(
+          String value, Function nativeValue) =>
+      IOSNSAttributedStringTextEffectStyle._internal(value, nativeValue());
+
+  ///A graphical text effect that gives glyphs the appearance of letterpress printing, which involves pressing the type into the paper.
+  static const LETTERPRESS_STYLE =
+      IOSNSAttributedStringTextEffectStyle._internal(
+          'letterpressStyle', 'letterpressStyle');
+
+  ///Set of all values of [IOSNSAttributedStringTextEffectStyle].
+  static final Set<IOSNSAttributedStringTextEffectStyle> values = [
+    IOSNSAttributedStringTextEffectStyle.LETTERPRESS_STYLE,
+  ].toSet();
+
+  ///Gets a possible [IOSNSAttributedStringTextEffectStyle] instance from [String] value.
+  static IOSNSAttributedStringTextEffectStyle? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return IOSNSAttributedStringTextEffectStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [IOSNSAttributedStringTextEffectStyle] instance from a native value.
+  static IOSNSAttributedStringTextEffectStyle? fromNativeValue(String? value) {
+    if (value != null) {
+      try {
+        return IOSNSAttributedStringTextEffectStyle.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [String] value.
+  String toValue() => _value;
+
+  ///Gets [String] native value.
+  String toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    return _value;
+  }
+}

lib/src/types/cache_mode.dart

@@ -1,129 +1,47 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+part 'cache_mode.g.dart';
+
 ///Class used to override the way the cache is used.
-class CacheMode {
+@ExchangeableEnum()
+class CacheMode_ {
+  // ignore: unused_field
   final int _value;
-
-  const CacheMode._internal(this._value);
-
-  ///Set of all values of [CacheMode].
-  static final Set<CacheMode> values = [
-    CacheMode.LOAD_DEFAULT,
-    CacheMode.LOAD_CACHE_ELSE_NETWORK,
-    CacheMode.LOAD_NO_CACHE,
-    CacheMode.LOAD_CACHE_ONLY,
-  ].toSet();
-
-  ///Gets a possible [CacheMode] instance from an [int] value.
-  static CacheMode? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return CacheMode.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "LOAD_CACHE_ELSE_NETWORK";
-      case 2:
-        return "LOAD_NO_CACHE";
-      case 3:
-        return "LOAD_CACHE_ONLY";
-      case -1:
-      default:
-        return "LOAD_DEFAULT";
-    }
-  }
+  const CacheMode_._internal(this._value);
 
   ///Default cache usage mode. If the navigation type doesn't impose any specific behavior,
   ///use cached resources when they are available and not expired, otherwise load resources from the network.
-  static const LOAD_DEFAULT = const CacheMode._internal(-1);
+  static const LOAD_DEFAULT = const CacheMode_._internal(-1);
 
   ///Use cached resources when they are available, even if they have expired. Otherwise load resources from the network.
-  static const LOAD_CACHE_ELSE_NETWORK = const CacheMode._internal(1);
+  static const LOAD_CACHE_ELSE_NETWORK = const CacheMode_._internal(1);
 
   ///Don't use the cache, load from the network.
-  static const LOAD_NO_CACHE = const CacheMode._internal(2);
+  static const LOAD_NO_CACHE = const CacheMode_._internal(2);
 
   ///Don't use the network, load from the cache.
-  static const LOAD_CACHE_ONLY = const CacheMode._internal(3);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const LOAD_CACHE_ONLY = const CacheMode_._internal(3);
 }
 
 ///An Android-specific class used to override the way the cache is used.
 ///Use [CacheMode] instead.
 @Deprecated("Use CacheMode instead")
-class AndroidCacheMode {
+@ExchangeableEnum()
+class AndroidCacheMode_ {
+  // ignore: unused_field
   final int _value;
-
-  const AndroidCacheMode._internal(this._value);
-
-  ///Set of all values of [AndroidCacheMode].
-  static final Set<AndroidCacheMode> values = [
-    AndroidCacheMode.LOAD_DEFAULT,
-    AndroidCacheMode.LOAD_CACHE_ELSE_NETWORK,
-    AndroidCacheMode.LOAD_NO_CACHE,
-    AndroidCacheMode.LOAD_CACHE_ONLY,
-  ].toSet();
-
-  ///Gets a possible [AndroidCacheMode] instance from an [int] value.
-  static AndroidCacheMode? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return AndroidCacheMode.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "LOAD_CACHE_ELSE_NETWORK";
-      case 2:
-        return "LOAD_NO_CACHE";
-      case 3:
-        return "LOAD_CACHE_ONLY";
-      case -1:
-      default:
-        return "LOAD_DEFAULT";
-    }
-  }
+  const AndroidCacheMode_._internal(this._value);
 
   ///Default cache usage mode. If the navigation type doesn't impose any specific behavior,
   ///use cached resources when they are available and not expired, otherwise load resources from the network.
-  static const LOAD_DEFAULT = const AndroidCacheMode._internal(-1);
+  static const LOAD_DEFAULT = const AndroidCacheMode_._internal(-1);
 
   ///Use cached resources when they are available, even if they have expired. Otherwise load resources from the network.
-  static const LOAD_CACHE_ELSE_NETWORK = const AndroidCacheMode._internal(1);
+  static const LOAD_CACHE_ELSE_NETWORK = const AndroidCacheMode_._internal(1);
 
   ///Don't use the cache, load from the network.
-  static const LOAD_NO_CACHE = const AndroidCacheMode._internal(2);
+  static const LOAD_NO_CACHE = const AndroidCacheMode_._internal(2);
 
   ///Don't use the network, load from the cache.
-  static const LOAD_CACHE_ONLY = const AndroidCacheMode._internal(3);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const LOAD_CACHE_ONLY = const AndroidCacheMode_._internal(3);
 }

lib/src/types/cache_mode.g.dart

@@ -0,0 +1,178 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'cache_mode.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class used to override the way the cache is used.
+class CacheMode {
+  final int _value;
+  final int _nativeValue;
+  const CacheMode._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory CacheMode._internalMultiPlatform(int value, Function nativeValue) =>
+      CacheMode._internal(value, nativeValue());
+
+  ///Default cache usage mode. If the navigation type doesn't impose any specific behavior,
+  ///use cached resources when they are available and not expired, otherwise load resources from the network.
+  static const LOAD_DEFAULT = CacheMode._internal(-1, -1);
+
+  ///Use cached resources when they are available, even if they have expired. Otherwise load resources from the network.
+  static const LOAD_CACHE_ELSE_NETWORK = CacheMode._internal(1, 1);
+
+  ///Don't use the cache, load from the network.
+  static const LOAD_NO_CACHE = CacheMode._internal(2, 2);
+
+  ///Don't use the network, load from the cache.
+  static const LOAD_CACHE_ONLY = CacheMode._internal(3, 3);
+
+  ///Set of all values of [CacheMode].
+  static final Set<CacheMode> values = [
+    CacheMode.LOAD_DEFAULT,
+    CacheMode.LOAD_CACHE_ELSE_NETWORK,
+    CacheMode.LOAD_NO_CACHE,
+    CacheMode.LOAD_CACHE_ONLY,
+  ].toSet();
+
+  ///Gets a possible [CacheMode] instance from [int] value.
+  static CacheMode? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return CacheMode.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [CacheMode] instance from a native value.
+  static CacheMode? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return CacheMode.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case -1:
+        return 'LOAD_DEFAULT';
+      case 1:
+        return 'LOAD_CACHE_ELSE_NETWORK';
+      case 2:
+        return 'LOAD_NO_CACHE';
+      case 3:
+        return 'LOAD_CACHE_ONLY';
+    }
+    return _value.toString();
+  }
+}
+
+///An Android-specific class used to override the way the cache is used.
+///Use [CacheMode] instead.
+@Deprecated('Use CacheMode instead')
+class AndroidCacheMode {
+  final int _value;
+  final int _nativeValue;
+  const AndroidCacheMode._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory AndroidCacheMode._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      AndroidCacheMode._internal(value, nativeValue());
+
+  ///Default cache usage mode. If the navigation type doesn't impose any specific behavior,
+  ///use cached resources when they are available and not expired, otherwise load resources from the network.
+  static const LOAD_DEFAULT = AndroidCacheMode._internal(-1, -1);
+
+  ///Use cached resources when they are available, even if they have expired. Otherwise load resources from the network.
+  static const LOAD_CACHE_ELSE_NETWORK = AndroidCacheMode._internal(1, 1);
+
+  ///Don't use the cache, load from the network.
+  static const LOAD_NO_CACHE = AndroidCacheMode._internal(2, 2);
+
+  ///Don't use the network, load from the cache.
+  static const LOAD_CACHE_ONLY = AndroidCacheMode._internal(3, 3);
+
+  ///Set of all values of [AndroidCacheMode].
+  static final Set<AndroidCacheMode> values = [
+    AndroidCacheMode.LOAD_DEFAULT,
+    AndroidCacheMode.LOAD_CACHE_ELSE_NETWORK,
+    AndroidCacheMode.LOAD_NO_CACHE,
+    AndroidCacheMode.LOAD_CACHE_ONLY,
+  ].toSet();
+
+  ///Gets a possible [AndroidCacheMode] instance from [int] value.
+  static AndroidCacheMode? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return AndroidCacheMode.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [AndroidCacheMode] instance from a native value.
+  static AndroidCacheMode? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return AndroidCacheMode.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case -1:
+        return 'LOAD_DEFAULT';
+      case 1:
+        return 'LOAD_CACHE_ELSE_NETWORK';
+      case 2:
+        return 'LOAD_NO_CACHE';
+      case 3:
+        return 'LOAD_CACHE_ONLY';
+    }
+    return _value.toString();
+  }
+}

lib/src/types/call_async_javascript_result.dart

@@ -1,27 +1,17 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import '../in_app_webview/in_app_webview_controller.dart';
 
+part 'call_async_javascript_result.g.dart';
+
 ///Class that represents either a success or a failure, including an associated value in each case for [InAppWebViewController.callAsyncJavaScript].
-class CallAsyncJavaScriptResult {
+@ExchangeableObject()
+class CallAsyncJavaScriptResult_ {
   ///It contains the success value.
   dynamic value;
 
   ///It contains the failure value.
   String? error;
 
-  CallAsyncJavaScriptResult({this.value, this.error});
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {"value": value, "error": error};
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
+  CallAsyncJavaScriptResult_({this.value, this.error});
 }

lib/src/types/call_async_javascript_result.g.dart

@@ -0,0 +1,46 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'call_async_javascript_result.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents either a success or a failure, including an associated value in each case for [InAppWebViewController.callAsyncJavaScript].
+class CallAsyncJavaScriptResult {
+  ///It contains the success value.
+  dynamic value;
+
+  ///It contains the failure value.
+  String? error;
+  CallAsyncJavaScriptResult({this.value, this.error});
+
+  ///Gets a possible [CallAsyncJavaScriptResult] instance from a [Map] value.
+  static CallAsyncJavaScriptResult? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = CallAsyncJavaScriptResult();
+    instance.value = map['value'];
+    instance.error = map['error'];
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "value": value,
+      "error": error,
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'CallAsyncJavaScriptResult{value: $value, error: $error}';
+  }
+}

lib/src/types/client_cert_challenge.dart

@@ -1,17 +1,27 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import '../in_app_webview/webview.dart';
 import 'url_authentication_challenge.dart';
 import 'url_protection_space.dart';
 
+part 'client_cert_challenge.g.dart';
+
 ///Class that represents the challenge of the [WebView.onReceivedClientCertRequest] event.
 ///It provides all the information about the challenge.
-class ClientCertChallenge extends URLAuthenticationChallenge {
+@ExchangeableObject()
+class ClientCertChallenge_ extends URLAuthenticationChallenge_ {
   ///Use [principals] instead.
   @Deprecated('Use principals instead')
   List<String>? androidPrincipals;
 
   ///The acceptable certificate issuers for the certificate matching the private key.
-  ///
-  ///**NOTE**: available only on Android.
+  @SupportedPlatforms(platforms: [
+    AndroidPlatform(
+        apiName: "ClientCertRequest.getPrincipals",
+        apiUrl: "https://developer.android.com/reference/android/webkit/ClientCertRequest#getPrincipals()",
+        available: "21"
+    )
+  ])
   List<String>? principals;
 
   ///Use [keyTypes] instead.
@@ -19,36 +29,20 @@ class ClientCertChallenge extends URLAuthenticationChallenge {
   List<String>? androidKeyTypes;
 
   ///Returns the acceptable types of asymmetric keys.
-  ///
-  ///**NOTE**: available only on Android.
+  @SupportedPlatforms(platforms: [
+    AndroidPlatform(
+        apiName: "ClientCertRequest.getKeyTypes",
+        apiUrl: "https://developer.android.com/reference/android/webkit/ClientCertRequest#getKeyTypes()",
+        available: "21"
+    )
+  ])
   List<String>? keyTypes;
 
-  ClientCertChallenge(
+  ClientCertChallenge_(
       {required URLProtectionSpace protectionSpace,
         @Deprecated('Use principals instead') this.androidPrincipals,
         this.principals,
         @Deprecated('Use keyTypes instead') this.androidKeyTypes,
         this.keyTypes})
-      : super(protectionSpace: protectionSpace) {
-    // ignore: deprecated_member_use_from_same_package
-    this.principals = this.principals ?? this.androidPrincipals;
-    // ignore: deprecated_member_use_from_same_package
-    this.keyTypes = this.keyTypes ?? this.androidKeyTypes;
-  }
-
-  ///Gets a possible [ClientCertChallenge] instance from a [Map] value.
-  static ClientCertChallenge? fromMap(Map<String, dynamic>? map) {
-    if (map == null) {
-      return null;
-    }
-    return ClientCertChallenge(
-        protectionSpace: URLProtectionSpace.fromMap(
-            map["protectionSpace"].cast<String, dynamic>())!,
-        // ignore: deprecated_member_use_from_same_package
-        androidPrincipals: map["principals"]?.cast<String>(),
-        principals: map["principals"]?.cast<String>(),
-        // ignore: deprecated_member_use_from_same_package
-        androidKeyTypes: map["keyTypes"]?.cast<String>(),
-        keyTypes: map["keyTypes"]?.cast<String>());
-  }
+      : super(protectionSpace: protectionSpace);
 }

lib/src/types/client_cert_challenge.g.dart

@@ -0,0 +1,75 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'client_cert_challenge.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents the challenge of the [WebView.onReceivedClientCertRequest] event.
+///It provides all the information about the challenge.
+class ClientCertChallenge extends URLAuthenticationChallenge {
+  ///Use [principals] instead.
+  @Deprecated('Use principals instead')
+  List<String>? androidPrincipals;
+
+  ///The acceptable certificate issuers for the certificate matching the private key.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- Android native WebView 21+ ([Official API - ClientCertRequest.getPrincipals](https://developer.android.com/reference/android/webkit/ClientCertRequest#getPrincipals()))
+  List<String>? principals;
+
+  ///Use [keyTypes] instead.
+  @Deprecated('Use keyTypes instead')
+  List<String>? androidKeyTypes;
+
+  ///Returns the acceptable types of asymmetric keys.
+  ///
+  ///**Supported Platforms/Implementations**:
+  ///- Android native WebView 21+ ([Official API - ClientCertRequest.getKeyTypes](https://developer.android.com/reference/android/webkit/ClientCertRequest#getKeyTypes()))
+  List<String>? keyTypes;
+  ClientCertChallenge(
+      {@Deprecated('Use principals instead') this.androidPrincipals,
+      this.principals,
+      @Deprecated('Use keyTypes instead') this.androidKeyTypes,
+      this.keyTypes,
+      dynamic protectionSpace})
+      : super(protectionSpace: protectionSpace) {
+    principals = principals ?? androidPrincipals;
+    keyTypes = keyTypes ?? androidKeyTypes;
+  }
+
+  ///Gets a possible [ClientCertChallenge] instance from a [Map] value.
+  static ClientCertChallenge? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = ClientCertChallenge(
+      protectionSpace: map['protectionSpace'],
+    );
+    instance.androidPrincipals = map['principals'];
+    instance.principals = map['principals'];
+    instance.androidKeyTypes = map['keyTypes'];
+    instance.keyTypes = map['keyTypes'];
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "protectionSpace": protectionSpace,
+      "principals": principals,
+      "keyTypes": keyTypes,
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'ClientCertChallenge{protectionSpace: $protectionSpace, principals: $principals, keyTypes: $keyTypes}';
+  }
+}

lib/src/types/main.dart

@@ -1,162 +1,162 @@
-export 'action_mode_menu_item.dart';
-export 'ajax_request.dart';
-export 'ajax_request_action.dart';
-export 'ajax_request_event.dart';
-export 'ajax_request_event_type.dart';
-export 'ajax_request_headers.dart';
-export 'ajax_request_ready_state.dart';
-export 'attributed_string.dart';
-export 'attributed_string_text_effect_style.dart';
-export 'cache_mode.dart';
-export 'call_async_javascript_result.dart';
-export 'client_cert_challenge.dart';
-export 'client_cert_response.dart';
-export 'client_cert_response_action.dart';
-export 'compress_format.dart';
-export 'console_message.dart';
-export 'console_message_level.dart';
-export 'content_blocker_action_type.dart';
-export 'content_blocker_trigger_load_type.dart';
-export 'content_blocker_trigger_resource_type.dart';
-export 'content_world.dart';
-export 'cookie.dart';
-export 'create_window_action.dart';
-export 'cross_origin.dart';
-export 'css_link_html_tag_attributes.dart';
-export 'custom_scheme_response.dart';
-export 'custom_tabs_share_state.dart';
-export 'data_detector_types.dart';
-export 'dismiss_button_style.dart';
-export 'download_start_request.dart';
-export 'favicon.dart';
-export 'fetch_request.dart';
-export 'fetch_request_action.dart';
-export 'fetch_request_credential.dart';
-export 'fetch_request_credential_default.dart';
-export 'fetch_request_federated_credential.dart';
-export 'fetch_request_password_credential.dart';
-export 'force_dark.dart';
-export 'form_resubmission_action.dart';
-export 'frame_info.dart';
-export 'geolocation_permission_show_prompt_response.dart';
-export 'http_auth_response.dart';
-export 'http_auth_response_action.dart';
-export 'http_authentication_challenge.dart';
-export 'http_cookie_same_site_policy.dart';
-export 'in_app_webview_hit_test_result.dart';
-export 'in_app_webview_hit_test_result_type.dart';
-export 'in_app_webview_initial_data.dart';
-export 'in_app_webview_rect.dart';
-export 'javascript_handler_callback.dart';
-export 'js_alert_request.dart';
-export 'js_alert_response.dart';
-export 'js_alert_response_action.dart';
-export 'js_before_unload_request.dart';
-export 'js_before_unload_response.dart';
-export 'js_before_unload_response_action.dart';
-export 'js_confirm_request.dart';
-export 'js_confirm_response.dart';
-export 'js_confirm_response_action.dart';
-export 'js_prompt_request.dart';
-export 'js_prompt_response.dart';
-export 'js_prompt_response_action.dart';
-export 'layout_algorithm.dart';
-export 'layout_in_display_cutout_mode.dart';
-export 'loaded_resource.dart';
-export 'login_request.dart';
-export 'media_playback_state.dart';
-export 'meta_tag.dart';
-export 'meta_tag_attribute.dart';
-export 'mixed_content_mode.dart';
-export 'modal_presentation_style.dart';
-export 'modal_transition_style.dart';
-export 'navigation_action.dart';
-export 'navigation_action_policy.dart';
-export 'navigation_response.dart';
-export 'navigation_response_action.dart';
-export 'navigation_type.dart';
-export 'on_post_message_callback.dart';
-export 'over_scroll_mode.dart';
-export 'pdf_configuration.dart';
-export 'permission_request.dart';
-export 'permission_resource_type.dart';
-export 'permission_response.dart';
-export 'permission_response_action.dart';
-export 'pull_to_refresh_size.dart';
-export 'referrer_policy.dart';
-export 'render_process_gone_detail.dart';
-export 'renderer_priority.dart';
-export 'renderer_priority_policy.dart';
-export 'request_focus_node_href_result.dart';
-export 'request_image_ref_result.dart';
-export 'safe_browsing_response.dart';
-export 'safe_browsing_response_action.dart';
-export 'safe_browsing_threat.dart';
-export 'sandbox.dart';
-export 'screenshot_configuration.dart';
-export 'script_html_tag_attributes.dart';
-export 'scrollbar_style.dart';
-export 'scrollview_content_inset_adjustment_behavior.dart';
-export 'scrollview_deceleration_rate.dart';
-export 'security_origin.dart';
-export 'selection_granularity.dart';
-export 'server_trust_auth_response.dart';
-export 'server_trust_auth_response_action.dart';
-export 'server_trust_challenge.dart';
-export 'should_allow_deprecated_tls_action.dart';
-export 'ssl_certificate.dart';
-export 'ssl_certificate_dname.dart';
-export 'ssl_error.dart';
-export 'ssl_error_type.dart';
-export 'trusted_web_activity_default_display_mode.dart';
-export 'trusted_web_activity_display_mode.dart';
-export 'trusted_web_activity_immersive_display_mode.dart';
-export 'trusted_web_activity_screen_orientation.dart';
-export 'underline_style.dart';
-export 'url_authentication_challenge.dart';
-export 'url_credential.dart';
-export 'url_credential_persistence.dart';
-export 'url_protection_space.dart';
-export 'url_protection_space_authentication_method.dart';
-export 'url_protection_space_http_auth_credentials.dart';
-export 'url_protection_space_proxy_type.dart';
-export 'url_request.dart';
-export 'url_request_cache_policy.dart';
-export 'url_request_network_service_type.dart';
-export 'url_response.dart';
-export 'user_preferred_content_mode.dart';
-export 'user_script.dart';
-export 'user_script_injection_time.dart';
-export 'vertical_scrollbar_position.dart';
-export 'web_archive_format.dart';
-export 'web_history.dart';
-export 'web_history_item.dart';
-export 'web_message_callback.dart';
-export 'web_resource_request.dart';
-export 'web_resource_response.dart';
-export 'web_storage_origin.dart';
-export 'web_storage_type.dart';
-export 'website_data_record.dart';
-export 'website_data_type.dart';
-export 'webview_implementation.dart';
-export 'webview_package_info.dart';
-export 'webview_render_process_action.dart';
-export 'window_features.dart';
-export 'web_resource_error.dart';
-export 'web_resource_error_type.dart';
-export 'media_capture_state.dart';
-export 'proxy_rule.dart';
-export 'proxy_scheme_filter.dart';
-export 'force_dark_strategy.dart';
-export 'url_request_attribution.dart';
-export 'web_authentication_session_error.dart';
-export 'print_job_info.dart';
-export 'print_job_state.dart';
-export 'print_job_orientation.dart';
-export 'print_job_rendering_quality.dart';
-export 'print_job_media_size.dart';
-export 'print_job_color_mode.dart';
-export 'print_job_duplex_mode.dart';
-export 'print_job_output_type.dart';
-export 'print_job_resolution.dart';
-export 'print_job_attributes.dart';
+export 'action_mode_menu_item.dart' show ActionModeMenuItem, AndroidActionModeMenuItem;
+export 'ajax_request.dart' show AjaxRequest;
+export 'ajax_request_action.dart' show AjaxRequestAction;
+export 'ajax_request_event.dart' show AjaxRequestEvent;
+export 'ajax_request_event_type.dart' show AjaxRequestEventType;
+export 'ajax_request_headers.dart' show AjaxRequestHeaders;
+export 'ajax_request_ready_state.dart' show AjaxRequestReadyState;
+export 'attributed_string.dart' show AttributedString, IOSNSAttributedString;
+export 'attributed_string_text_effect_style.dart' show AttributedStringTextEffectStyle, IOSNSAttributedStringTextEffectStyle;
+export 'cache_mode.dart' show CacheMode, AndroidCacheMode;
+export 'call_async_javascript_result.dart' show CallAsyncJavaScriptResult;
+export 'client_cert_challenge.dart' show ClientCertChallenge;
+export 'client_cert_response.dart' show ClientCertResponse;
+export 'client_cert_response_action.dart' show ClientCertResponseAction;
+export 'compress_format.dart' show CompressFormat;
+export 'console_message.dart' show ConsoleMessage;
+export 'console_message_level.dart' show ConsoleMessageLevel;
+export 'content_blocker_action_type.dart' show ContentBlockerActionType;
+export 'content_blocker_trigger_load_type.dart' show ContentBlockerTriggerLoadType;
+export 'content_blocker_trigger_resource_type.dart' show ContentBlockerTriggerResourceType;
+export 'content_world.dart' show ContentWorld;
+export 'cookie.dart' show Cookie;
+export 'create_window_action.dart' show CreateWindowAction;
+export 'cross_origin.dart' show CrossOrigin;
+export 'css_link_html_tag_attributes.dart' show CSSLinkHtmlTagAttributes;
+export 'custom_scheme_response.dart' show CustomSchemeResponse;
+export 'custom_tabs_share_state.dart' show CustomTabsShareState;
+export 'data_detector_types.dart' show DataDetectorTypes, IOSWKDataDetectorTypes;
+export 'dismiss_button_style.dart' show DismissButtonStyle, IOSSafariDismissButtonStyle;
+export 'download_start_request.dart' show DownloadStartRequest;
+export 'favicon.dart' show Favicon;
+export 'fetch_request.dart' show FetchRequest;
+export 'fetch_request_action.dart' show FetchRequestAction;
+export 'fetch_request_credential.dart' show FetchRequestCredential;
+export 'fetch_request_credential_default.dart' show FetchRequestCredentialDefault;
+export 'fetch_request_federated_credential.dart' show FetchRequestFederatedCredential;
+export 'fetch_request_password_credential.dart' show FetchRequestPasswordCredential;
+export 'force_dark.dart' show ForceDark, AndroidForceDark;
+export 'force_dark_strategy.dart' show ForceDarkStrategy;
+export 'form_resubmission_action.dart' show FormResubmissionAction;
+export 'frame_info.dart' show FrameInfo, IOSWKFrameInfo;
+export 'geolocation_permission_show_prompt_response.dart' show GeolocationPermissionShowPromptResponse;
+export 'http_auth_response.dart' show HttpAuthResponse;
+export 'http_auth_response_action.dart' show HttpAuthResponseAction;
+export 'http_authentication_challenge.dart' show HttpAuthenticationChallenge;
+export 'http_cookie_same_site_policy.dart' show HTTPCookieSameSitePolicy;
+export 'in_app_webview_hit_test_result.dart' show InAppWebViewHitTestResult;
+export 'in_app_webview_hit_test_result_type.dart' show InAppWebViewHitTestResultType;
+export 'in_app_webview_initial_data.dart' show InAppWebViewInitialData;
+export 'in_app_webview_rect.dart' show InAppWebViewRect;
+export 'javascript_handler_callback.dart' show JavaScriptHandlerCallback;
+export 'js_alert_request.dart' show JsAlertRequest;
+export 'js_alert_response.dart' show JsAlertResponse;
+export 'js_alert_response_action.dart' show JsAlertResponseAction;
+export 'js_before_unload_request.dart' show JsBeforeUnloadRequest;
+export 'js_before_unload_response.dart' show JsBeforeUnloadResponse;
+export 'js_before_unload_response_action.dart' show JsBeforeUnloadResponseAction;
+export 'js_confirm_request.dart' show JsConfirmRequest;
+export 'js_confirm_response.dart' show JsConfirmResponse;
+export 'js_confirm_response_action.dart' show JsConfirmResponseAction;
+export 'js_prompt_request.dart' show JsPromptRequest;
+export 'js_prompt_response.dart' show JsPromptResponse;
+export 'js_prompt_response_action.dart' show JsPromptResponseAction;
+export 'layout_algorithm.dart' show LayoutAlgorithm, AndroidLayoutAlgorithm;
+export 'layout_in_display_cutout_mode.dart' show LayoutInDisplayCutoutMode, AndroidLayoutInDisplayCutoutMode;
+export 'loaded_resource.dart' show LoadedResource;
+export 'login_request.dart' show LoginRequest;
+export 'media_capture_state.dart' show MediaCaptureState;
+export 'media_playback_state.dart' show MediaPlaybackState;
+export 'meta_tag.dart' show MetaTag;
+export 'meta_tag_attribute.dart' show MetaTagAttribute;
+export 'mixed_content_mode.dart' show MixedContentMode, AndroidMixedContentMode;
+export 'modal_presentation_style.dart' show ModalPresentationStyle, IOSUIModalPresentationStyle;
+export 'modal_transition_style.dart' show ModalTransitionStyle, IOSUIModalTransitionStyle;
+export 'navigation_action.dart' show NavigationAction;
+export 'navigation_action_policy.dart' show NavigationActionPolicy;
+export 'navigation_response.dart' show NavigationResponse, IOSWKNavigationResponse;
+export 'navigation_response_action.dart' show NavigationResponseAction, IOSNavigationResponseAction;
+export 'navigation_type.dart' show NavigationType, IOSWKNavigationType;
+export 'on_post_message_callback.dart' show OnPostMessageCallback;
+export 'over_scroll_mode.dart' show OverScrollMode, AndroidOverScrollMode;
+export 'pdf_configuration.dart' show PDFConfiguration, IOSWKPDFConfiguration;
+export 'permission_request.dart' show PermissionRequest;
+export 'permission_resource_type.dart' show PermissionResourceType;
+export 'permission_response.dart' show PermissionResponse, PermissionRequestResponse;
+export 'permission_response_action.dart' show PermissionResponseAction, PermissionRequestResponseAction;
+export 'print_job_attributes.dart' show PrintJobAttributes;
+export 'print_job_color_mode.dart' show PrintJobColorMode;
+export 'print_job_duplex_mode.dart' show PrintJobDuplexMode;
+export 'print_job_info.dart' show PrintJobInfo;
+export 'print_job_media_size.dart' show PrintJobMediaSize;
+export 'print_job_orientation.dart' show PrintJobOrientation;
+export 'print_job_output_type.dart' show PrintJobOutputType;
+export 'print_job_rendering_quality.dart' show PrintJobRenderingQuality;
+export 'print_job_resolution.dart' show PrintJobResolution;
+export 'print_job_state.dart' show PrintJobState;
+export 'proxy_rule.dart' show ProxyRule;
+export 'proxy_scheme_filter.dart' show ProxySchemeFilter;
+export 'pull_to_refresh_size.dart' show PullToRefreshSize, AndroidPullToRefreshSize;
+export 'referrer_policy.dart' show ReferrerPolicy;
+export 'render_process_gone_detail.dart' show RenderProcessGoneDetail;
+export 'renderer_priority.dart' show RendererPriority;
+export 'renderer_priority_policy.dart' show RendererPriorityPolicy;
+export 'request_focus_node_href_result.dart' show RequestFocusNodeHrefResult;
+export 'request_image_ref_result.dart' show RequestImageRefResult;
+export 'safe_browsing_response.dart' show SafeBrowsingResponse;
+export 'safe_browsing_response_action.dart' show SafeBrowsingResponseAction;
+export 'safe_browsing_threat.dart' show SafeBrowsingThreat;
+export 'sandbox.dart' show Sandbox;
+export 'screenshot_configuration.dart' show ScreenshotConfiguration;
+export 'script_html_tag_attributes.dart' show ScriptHtmlTagAttributes;
+export 'scrollbar_style.dart' show ScrollBarStyle, AndroidScrollBarStyle;
+export 'scrollview_content_inset_adjustment_behavior.dart' show ScrollViewContentInsetAdjustmentBehavior, IOSUIScrollViewContentInsetAdjustmentBehavior;
+export 'scrollview_deceleration_rate.dart' show ScrollViewDecelerationRate, IOSUIScrollViewDecelerationRate;
+export 'security_origin.dart' show SecurityOrigin, IOSWKSecurityOrigin;
+export 'selection_granularity.dart' show SelectionGranularity, IOSWKSelectionGranularity;
+export 'server_trust_auth_response.dart' show ServerTrustAuthResponse;
+export 'server_trust_auth_response_action.dart' show ServerTrustAuthResponseAction;
+export 'server_trust_challenge.dart' show ServerTrustChallenge;
+export 'should_allow_deprecated_tls_action.dart' show ShouldAllowDeprecatedTLSAction, IOSShouldAllowDeprecatedTLSAction;
+export 'ssl_certificate.dart' show SslCertificate;
+export 'ssl_certificate_dname.dart' show SslCertificateDName;
+export 'ssl_error.dart' show SslError;
+export 'ssl_error_type.dart' show SslErrorType, AndroidSslError, IOSSslError;
+export 'trusted_web_activity_default_display_mode.dart' show TrustedWebActivityDefaultDisplayMode;
+export 'trusted_web_activity_display_mode.dart' show TrustedWebActivityDisplayMode;
+export 'trusted_web_activity_immersive_display_mode.dart' show TrustedWebActivityImmersiveDisplayMode;
+export 'trusted_web_activity_screen_orientation.dart' show TrustedWebActivityScreenOrientation;
+export 'underline_style.dart' show UnderlineStyle, IOSNSUnderlineStyle;
+export 'url_authentication_challenge.dart' show URLAuthenticationChallenge;
+export 'url_credential.dart' show URLCredential;
+export 'url_credential_persistence.dart' show URLCredentialPersistence, IOSURLCredentialPersistence;
+export 'url_protection_space.dart' show URLProtectionSpace;
+export 'url_protection_space_authentication_method.dart' show URLProtectionSpaceAuthenticationMethod, IOSNSURLProtectionSpaceAuthenticationMethod;
+export 'url_protection_space_http_auth_credentials.dart' show URLProtectionSpaceHttpAuthCredentials;
+export 'url_protection_space_proxy_type.dart' show URLProtectionSpaceProxyType, IOSNSURLProtectionSpaceProxyType;
+export 'url_request.dart' show URLRequest;
+export 'url_request_attribution.dart' show URLRequestAttribution;
+export 'url_request_cache_policy.dart' show URLRequestCachePolicy, IOSURLRequestCachePolicy;
+export 'url_request_network_service_type.dart' show URLRequestNetworkServiceType, IOSURLRequestNetworkServiceType;
+export 'url_response.dart' show URLResponse, IOSURLResponse;
+export 'user_preferred_content_mode.dart' show UserPreferredContentMode;
+export 'user_script.dart' show UserScript;
+export 'user_script_injection_time.dart' show UserScriptInjectionTime;
+export 'vertical_scrollbar_position.dart' show VerticalScrollbarPosition, AndroidVerticalScrollbarPosition;
+export 'web_archive_format.dart' show WebArchiveFormat;
+export 'web_authentication_session_error.dart' show WebAuthenticationSessionError;
+export 'web_history.dart' show WebHistory;
+export 'web_history_item.dart' show WebHistoryItem;
+export 'web_message_callback.dart' show WebMessageCallback;
+export 'web_resource_error.dart' show WebResourceError;
+export 'web_resource_error_type.dart' show WebResourceErrorType;
+export 'web_resource_request.dart' show WebResourceRequest;
+export 'web_resource_response.dart' show WebResourceResponse;
+export 'web_storage_origin.dart' show WebStorageOrigin, AndroidWebStorageOrigin;
+export 'web_storage_type.dart' show WebStorageType;
+export 'website_data_record.dart' show WebsiteDataRecord, IOSWKWebsiteDataRecord;
+export 'website_data_type.dart' show WebsiteDataType, IOSWKWebsiteDataType;
+export 'webview_implementation.dart' show WebViewImplementation;
+export 'webview_package_info.dart' show WebViewPackageInfo, AndroidWebViewPackageInfo;
+export 'webview_render_process_action.dart' show WebViewRenderProcessAction;
+export 'window_features.dart' show WindowFeatures, IOSWKWindowFeatures;

lib/src/types/ssl_certificate.dart

@@ -1,17 +1,21 @@
 import 'package:flutter/foundation.dart';
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
 
 import '../x509_certificate/x509_certificate.dart';
 import '../x509_certificate/asn1_distinguished_names.dart';
 
 import 'ssl_certificate_dname.dart';
 
+part 'ssl_certificate.g.dart';
+
 ///SSL certificate info (certificate details) class.
-class SslCertificate {
+@ExchangeableObject()
+class SslCertificate_ {
   ///Name of the entity this certificate is issued by.
-  SslCertificateDName? issuedBy;
+  SslCertificateDName_? issuedBy;
 
   ///Name of the entity this certificate is issued to.
-  SslCertificateDName? issuedTo;
+  SslCertificateDName_? issuedTo;
 
   ///Not-after date from the validity period.
   DateTime? validNotAfterDate;
@@ -22,7 +26,7 @@ class SslCertificate {
   ///The original source certificate, if available.
   X509Certificate? x509Certificate;
 
-  SslCertificate(
+  SslCertificate_(
       {this.issuedBy,
         this.issuedTo,
         this.validNotAfterDate,
@@ -88,25 +92,4 @@ class SslCertificate {
       x509Certificate: x509Certificate,
     );
   }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "issuedBy": issuedBy?.toMap(),
-      "issuedTo": issuedTo?.toMap(),
-      "validNotAfterDate": validNotAfterDate?.millisecondsSinceEpoch,
-      "validNotBeforeDate": validNotBeforeDate?.millisecondsSinceEpoch,
-      "x509Certificate": x509Certificate?.toMap(),
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
 }

lib/src/types/ssl_certificate.g.dart

@@ -0,0 +1,105 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ssl_certificate.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///SSL certificate info (certificate details) class.
+class SslCertificate {
+  ///Name of the entity this certificate is issued by.
+  SslCertificateDName? issuedBy;
+
+  ///Name of the entity this certificate is issued to.
+  SslCertificateDName? issuedTo;
+
+  ///Not-after date from the validity period.
+  DateTime? validNotAfterDate;
+
+  ///Not-before date from the validity period.
+  DateTime? validNotBeforeDate;
+
+  ///The original source certificate, if available.
+  X509Certificate? x509Certificate;
+  SslCertificate(
+      {this.issuedBy,
+      this.issuedTo,
+      this.validNotAfterDate,
+      this.validNotBeforeDate,
+      this.x509Certificate});
+
+  ///Gets a possible [SslCertificate] instance from a [Map] value.
+  static SslCertificate? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    X509Certificate? x509Certificate;
+    try {
+      x509Certificate = X509Certificate.fromData(data: map["x509Certificate"]);
+    } catch (e, stacktrace) {
+      print(e);
+      print(stacktrace);
+    }
+    if (defaultTargetPlatform == TargetPlatform.iOS) {
+      if (x509Certificate != null) {
+        return SslCertificate(
+            issuedBy: SslCertificateDName(
+                CName: x509Certificate.issuer(dn: ASN1DistinguishedNames.COMMON_NAME) ??
+                    "",
+                DName: x509Certificate.issuerDistinguishedName ?? "",
+                OName: x509Certificate.issuer(
+                        dn: ASN1DistinguishedNames.ORGANIZATION_NAME) ??
+                    "",
+                UName: x509Certificate.issuer(
+                        dn: ASN1DistinguishedNames.ORGANIZATIONAL_UNIT_NAME) ??
+                    ""),
+            issuedTo: SslCertificateDName(
+                CName: x509Certificate.subject(dn: ASN1DistinguishedNames.COMMON_NAME) ??
+                    "",
+                DName: x509Certificate.subjectDistinguishedName ?? "",
+                OName: x509Certificate.subject(
+                        dn: ASN1DistinguishedNames.ORGANIZATION_NAME) ??
+                    "",
+                UName: x509Certificate.subject(
+                        dn: ASN1DistinguishedNames.ORGANIZATIONAL_UNIT_NAME) ??
+                    ""),
+            validNotAfterDate: x509Certificate.notAfter,
+            validNotBeforeDate: x509Certificate.notBefore,
+            x509Certificate: x509Certificate);
+      }
+      return null;
+    }
+    return SslCertificate(
+        issuedBy: SslCertificateDName.fromMap(
+            map["issuedBy"]?.cast<String, dynamic>()),
+        issuedTo: SslCertificateDName.fromMap(
+            map["issuedTo"]?.cast<String, dynamic>()),
+        validNotAfterDate:
+            DateTime.fromMillisecondsSinceEpoch(map["validNotAfterDate"]),
+        validNotBeforeDate:
+            DateTime.fromMillisecondsSinceEpoch(map["validNotBeforeDate"]),
+        x509Certificate: x509Certificate);
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "issuedBy": issuedBy?.toMap(),
+      "issuedTo": issuedTo?.toMap(),
+      "validNotAfterDate": validNotAfterDate?.millisecondsSinceEpoch,
+      "validNotBeforeDate": validNotBeforeDate?.millisecondsSinceEpoch,
+      "x509Certificate": x509Certificate?.toMap(),
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'SslCertificate{issuedBy: $issuedBy, issuedTo: $issuedTo, validNotAfterDate: $validNotAfterDate, validNotBeforeDate: $validNotBeforeDate, x509Certificate: $x509Certificate}';
+  }
+}

lib/src/types/ssl_certificate_dname.dart

@@ -1,62 +1,24 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'ssl_certificate.dart';
 
+part 'ssl_certificate_dname.g.dart';
+
 ///Distinguished name helper class. Used by [SslCertificate].
-class SslCertificateDName {
+@ExchangeableObject()
+class SslCertificateDName_ {
   ///Common-name (CN) component of the name
-  // ignore: non_constant_identifier_names
   String? CName;
 
   ///Distinguished name (normally includes CN, O, and OU names)
-  // ignore: non_constant_identifier_names
   String? DName;
 
   ///Organization (O) component of the name
-  // ignore: non_constant_identifier_names
   String? OName;
 
   ///Organizational Unit (OU) component of the name
-  // ignore: non_constant_identifier_names
   String? UName;
 
-  SslCertificateDName(
-      // ignore: non_constant_identifier_names
-          {this.CName = "",
-        // ignore: non_constant_identifier_names
-        this.DName = "",
-        // ignore: non_constant_identifier_names
-        this.OName = "",
-        // ignore: non_constant_identifier_names
-        this.UName = ""});
-
-  ///Gets a possible [SslCertificateDName] instance from a [Map] value.
-  static SslCertificateDName? fromMap(Map<String, dynamic>? map) {
-    return map != null
-        ? SslCertificateDName(
-      CName: map["CName"] ?? "",
-      DName: map["DName"] ?? "",
-      OName: map["OName"] ?? "",
-      UName: map["UName"] ?? "",
-    )
-        : null;
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "CName": CName,
-      "DName": DName,
-      "OName": OName,
-      "UName": UName,
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
-}
+  SslCertificateDName_(
+      {this.CName = "", this.DName = "", this.OName = "", this.UName = ""});
+}

lib/src/types/ssl_certificate_dname.g.dart

@@ -0,0 +1,57 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'ssl_certificate_dname.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Distinguished name helper class. Used by [SslCertificate].
+class SslCertificateDName {
+  ///Common-name (CN) component of the name
+  String? CName;
+
+  ///Distinguished name (normally includes CN, O, and OU names)
+  String? DName;
+
+  ///Organization (O) component of the name
+  String? OName;
+
+  ///Organizational Unit (OU) component of the name
+  String? UName;
+  SslCertificateDName(
+      {this.CName = "", this.DName = "", this.OName = "", this.UName = ""});
+
+  ///Gets a possible [SslCertificateDName] instance from a [Map] value.
+  static SslCertificateDName? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = SslCertificateDName();
+    instance.CName = map['CName'];
+    instance.DName = map['DName'];
+    instance.OName = map['OName'];
+    instance.UName = map['UName'];
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "CName": CName,
+      "DName": DName,
+      "OName": OName,
+      "UName": UName,
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'SslCertificateDName{CName: $CName, DName: $DName, OName: $OName, UName: $UName}';
+  }
+}

lib/src/types/underline_style.dart

@@ -1,187 +1,75 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
+part 'underline_style.g.dart';
+
 ///Class that represents the constants for the underline style and strikethrough style attribute keys.
-class UnderlineStyle {
+@ExchangeableEnum()
+class UnderlineStyle_ {
+  // ignore: unused_field
   final int _value;
-
-  const UnderlineStyle._internal(this._value);
-
-  ///Set of all values of [UnderlineStyle].
-  static final Set<UnderlineStyle> values = [
-    UnderlineStyle.STYLE_NONE,
-    UnderlineStyle.SINGLE,
-    UnderlineStyle.THICK,
-    UnderlineStyle.DOUBLE,
-    UnderlineStyle.PATTERN_DOT,
-    UnderlineStyle.PATTERN_DASH,
-    UnderlineStyle.PATTERN_DASH_DOT,
-    UnderlineStyle.PATTERN_DASH_DOT_DOT,
-    UnderlineStyle.BY_WORD,
-  ].toSet();
-
-  ///Gets a possible [UnderlineStyle] instance from an [int] value.
-  static UnderlineStyle? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return UnderlineStyle.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "SINGLE";
-      case 2:
-        return "THICK";
-      case 9:
-        return "DOUBLE";
-      case 256:
-        return "PATTERN_DOT";
-      case 512:
-        return "PATTERN_DASH";
-      case 768:
-        return "PATTERN_DASH_DOT";
-      case 1024:
-        return "PATTERN_DASH_DOT_DOT";
-      case 32768:
-        return "BY_WORD";
-      case 0:
-      default:
-        return "STYLE_NONE";
-    }
-  }
+  const UnderlineStyle_._internal(this._value);
 
   ///Do not draw a line.
-  static const STYLE_NONE = const UnderlineStyle._internal(0);
+  static const STYLE_NONE = const UnderlineStyle_._internal(0);
 
   ///Draw a single line.
-  static const SINGLE = const UnderlineStyle._internal(1);
+  static const SINGLE = const UnderlineStyle_._internal(1);
 
   ///Draw a thick line.
-  static const THICK = const UnderlineStyle._internal(2);
+  static const THICK = const UnderlineStyle_._internal(2);
 
   ///Draw a double line.
-  static const DOUBLE = const UnderlineStyle._internal(9);
+  static const DOUBLE = const UnderlineStyle_._internal(9);
 
   ///Draw a line of dots.
-  static const PATTERN_DOT = const UnderlineStyle._internal(256);
+  static const PATTERN_DOT = const UnderlineStyle_._internal(256);
 
   ///Draw a line of dashes.
-  static const PATTERN_DASH = const UnderlineStyle._internal(512);
+  static const PATTERN_DASH = const UnderlineStyle_._internal(512);
 
   ///Draw a line of alternating dashes and dots.
-  static const PATTERN_DASH_DOT = const UnderlineStyle._internal(768);
+  static const PATTERN_DASH_DOT = const UnderlineStyle_._internal(768);
 
   ///Draw a line of alternating dashes and two dots.
-  static const PATTERN_DASH_DOT_DOT = const UnderlineStyle._internal(1024);
+  static const PATTERN_DASH_DOT_DOT = const UnderlineStyle_._internal(1024);
 
   ///Draw the line only beneath or through words, not whitespace.
-  static const BY_WORD = const UnderlineStyle._internal(32768);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const BY_WORD = const UnderlineStyle_._internal(32768);
 }
 
 ///An iOS-specific Class that represents the constants for the underline style and strikethrough style attribute keys.
 ///Use [UnderlineStyle] instead.
 @Deprecated("Use UnderlineStyle instead")
-class IOSNSUnderlineStyle {
+@ExchangeableEnum()
+class IOSNSUnderlineStyle_ {
+  // ignore: unused_field
   final int _value;
-
-  const IOSNSUnderlineStyle._internal(this._value);
-
-  ///Set of all values of [IOSNSUnderlineStyle].
-  static final Set<IOSNSUnderlineStyle> values = [
-    IOSNSUnderlineStyle.STYLE_NONE,
-    IOSNSUnderlineStyle.SINGLE,
-    IOSNSUnderlineStyle.THICK,
-    IOSNSUnderlineStyle.DOUBLE,
-    IOSNSUnderlineStyle.PATTERN_DOT,
-    IOSNSUnderlineStyle.PATTERN_DASH,
-    IOSNSUnderlineStyle.PATTERN_DASH_DOT,
-    IOSNSUnderlineStyle.PATTERN_DASH_DOT_DOT,
-    IOSNSUnderlineStyle.BY_WORD,
-  ].toSet();
-
-  ///Gets a possible [IOSNSUnderlineStyle] instance from an [int] value.
-  static IOSNSUnderlineStyle? fromValue(int? value) {
-    if (value != null) {
-      try {
-        return IOSNSUnderlineStyle.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [int] value.
-  int toValue() => _value;
-
-  @override
-  String toString() {
-    switch (_value) {
-      case 1:
-        return "SINGLE";
-      case 2:
-        return "THICK";
-      case 9:
-        return "DOUBLE";
-      case 256:
-        return "PATTERN_DOT";
-      case 512:
-        return "PATTERN_DASH";
-      case 768:
-        return "PATTERN_DASH_DOT";
-      case 1024:
-        return "PATTERN_DASH_DOT_DOT";
-      case 32768:
-        return "BY_WORD";
-      case 0:
-      default:
-        return "STYLE_NONE";
-    }
-  }
+  const IOSNSUnderlineStyle_._internal(this._value);
 
   ///Do not draw a line.
-  static const STYLE_NONE = const IOSNSUnderlineStyle._internal(0);
+  static const STYLE_NONE = const IOSNSUnderlineStyle_._internal(0);
 
   ///Draw a single line.
-  static const SINGLE = const IOSNSUnderlineStyle._internal(1);
+  static const SINGLE = const IOSNSUnderlineStyle_._internal(1);
 
   ///Draw a thick line.
-  static const THICK = const IOSNSUnderlineStyle._internal(2);
+  static const THICK = const IOSNSUnderlineStyle_._internal(2);
 
   ///Draw a double line.
-  static const DOUBLE = const IOSNSUnderlineStyle._internal(9);
+  static const DOUBLE = const IOSNSUnderlineStyle_._internal(9);
 
   ///Draw a line of dots.
-  static const PATTERN_DOT = const IOSNSUnderlineStyle._internal(256);
+  static const PATTERN_DOT = const IOSNSUnderlineStyle_._internal(256);
 
   ///Draw a line of dashes.
-  static const PATTERN_DASH = const IOSNSUnderlineStyle._internal(512);
+  static const PATTERN_DASH = const IOSNSUnderlineStyle_._internal(512);
 
   ///Draw a line of alternating dashes and dots.
-  static const PATTERN_DASH_DOT = const IOSNSUnderlineStyle._internal(768);
+  static const PATTERN_DASH_DOT = const IOSNSUnderlineStyle_._internal(768);
 
   ///Draw a line of alternating dashes and two dots.
-  static const PATTERN_DASH_DOT_DOT = const IOSNSUnderlineStyle._internal(1024);
+  static const PATTERN_DASH_DOT_DOT = const IOSNSUnderlineStyle_._internal(1024);
 
   ///Draw the line only beneath or through words, not whitespace.
-  static const BY_WORD = const IOSNSUnderlineStyle._internal(32768);
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
+  static const BY_WORD = const IOSNSUnderlineStyle_._internal(32768);
 }

lib/src/types/underline_style.g.dart

@@ -0,0 +1,237 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'underline_style.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class that represents the constants for the underline style and strikethrough style attribute keys.
+class UnderlineStyle {
+  final int _value;
+  final int _nativeValue;
+  const UnderlineStyle._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory UnderlineStyle._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      UnderlineStyle._internal(value, nativeValue());
+
+  ///Do not draw a line.
+  static const STYLE_NONE = UnderlineStyle._internal(0, 0);
+
+  ///Draw a single line.
+  static const SINGLE = UnderlineStyle._internal(1, 1);
+
+  ///Draw a thick line.
+  static const THICK = UnderlineStyle._internal(2, 2);
+
+  ///Draw a double line.
+  static const DOUBLE = UnderlineStyle._internal(9, 9);
+
+  ///Draw a line of dots.
+  static const PATTERN_DOT = UnderlineStyle._internal(256, 256);
+
+  ///Draw a line of dashes.
+  static const PATTERN_DASH = UnderlineStyle._internal(512, 512);
+
+  ///Draw a line of alternating dashes and dots.
+  static const PATTERN_DASH_DOT = UnderlineStyle._internal(768, 768);
+
+  ///Draw a line of alternating dashes and two dots.
+  static const PATTERN_DASH_DOT_DOT = UnderlineStyle._internal(1024, 1024);
+
+  ///Draw the line only beneath or through words, not whitespace.
+  static const BY_WORD = UnderlineStyle._internal(32768, 32768);
+
+  ///Set of all values of [UnderlineStyle].
+  static final Set<UnderlineStyle> values = [
+    UnderlineStyle.STYLE_NONE,
+    UnderlineStyle.SINGLE,
+    UnderlineStyle.THICK,
+    UnderlineStyle.DOUBLE,
+    UnderlineStyle.PATTERN_DOT,
+    UnderlineStyle.PATTERN_DASH,
+    UnderlineStyle.PATTERN_DASH_DOT,
+    UnderlineStyle.PATTERN_DASH_DOT_DOT,
+    UnderlineStyle.BY_WORD,
+  ].toSet();
+
+  ///Gets a possible [UnderlineStyle] instance from [int] value.
+  static UnderlineStyle? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return UnderlineStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [UnderlineStyle] instance from a native value.
+  static UnderlineStyle? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return UnderlineStyle.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'STYLE_NONE';
+      case 1:
+        return 'SINGLE';
+      case 2:
+        return 'THICK';
+      case 9:
+        return 'DOUBLE';
+      case 256:
+        return 'PATTERN_DOT';
+      case 512:
+        return 'PATTERN_DASH';
+      case 768:
+        return 'PATTERN_DASH_DOT';
+      case 1024:
+        return 'PATTERN_DASH_DOT_DOT';
+      case 32768:
+        return 'BY_WORD';
+    }
+    return _value.toString();
+  }
+}
+
+///An iOS-specific Class that represents the constants for the underline style and strikethrough style attribute keys.
+///Use [UnderlineStyle] instead.
+@Deprecated('Use UnderlineStyle instead')
+class IOSNSUnderlineStyle {
+  final int _value;
+  final int _nativeValue;
+  const IOSNSUnderlineStyle._internal(this._value, this._nativeValue);
+// ignore: unused_element
+  factory IOSNSUnderlineStyle._internalMultiPlatform(
+          int value, Function nativeValue) =>
+      IOSNSUnderlineStyle._internal(value, nativeValue());
+
+  ///Do not draw a line.
+  static const STYLE_NONE = IOSNSUnderlineStyle._internal(0, 0);
+
+  ///Draw a single line.
+  static const SINGLE = IOSNSUnderlineStyle._internal(1, 1);
+
+  ///Draw a thick line.
+  static const THICK = IOSNSUnderlineStyle._internal(2, 2);
+
+  ///Draw a double line.
+  static const DOUBLE = IOSNSUnderlineStyle._internal(9, 9);
+
+  ///Draw a line of dots.
+  static const PATTERN_DOT = IOSNSUnderlineStyle._internal(256, 256);
+
+  ///Draw a line of dashes.
+  static const PATTERN_DASH = IOSNSUnderlineStyle._internal(512, 512);
+
+  ///Draw a line of alternating dashes and dots.
+  static const PATTERN_DASH_DOT = IOSNSUnderlineStyle._internal(768, 768);
+
+  ///Draw a line of alternating dashes and two dots.
+  static const PATTERN_DASH_DOT_DOT = IOSNSUnderlineStyle._internal(1024, 1024);
+
+  ///Draw the line only beneath or through words, not whitespace.
+  static const BY_WORD = IOSNSUnderlineStyle._internal(32768, 32768);
+
+  ///Set of all values of [IOSNSUnderlineStyle].
+  static final Set<IOSNSUnderlineStyle> values = [
+    IOSNSUnderlineStyle.STYLE_NONE,
+    IOSNSUnderlineStyle.SINGLE,
+    IOSNSUnderlineStyle.THICK,
+    IOSNSUnderlineStyle.DOUBLE,
+    IOSNSUnderlineStyle.PATTERN_DOT,
+    IOSNSUnderlineStyle.PATTERN_DASH,
+    IOSNSUnderlineStyle.PATTERN_DASH_DOT,
+    IOSNSUnderlineStyle.PATTERN_DASH_DOT_DOT,
+    IOSNSUnderlineStyle.BY_WORD,
+  ].toSet();
+
+  ///Gets a possible [IOSNSUnderlineStyle] instance from [int] value.
+  static IOSNSUnderlineStyle? fromValue(int? value) {
+    if (value != null) {
+      try {
+        return IOSNSUnderlineStyle.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [IOSNSUnderlineStyle] instance from a native value.
+  static IOSNSUnderlineStyle? fromNativeValue(int? value) {
+    if (value != null) {
+      try {
+        return IOSNSUnderlineStyle.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [int] value.
+  int toValue() => _value;
+
+  ///Gets [int] native value.
+  int toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    switch (_value) {
+      case 0:
+        return 'STYLE_NONE';
+      case 1:
+        return 'SINGLE';
+      case 2:
+        return 'THICK';
+      case 9:
+        return 'DOUBLE';
+      case 256:
+        return 'PATTERN_DOT';
+      case 512:
+        return 'PATTERN_DASH';
+      case 768:
+        return 'PATTERN_DASH_DOT';
+      case 1024:
+        return 'PATTERN_DASH_DOT_DOT';
+      case 32768:
+        return 'BY_WORD';
+    }
+    return _value.toString();
+  }
+}

lib/src/types/url_authentication_challenge.dart

@@ -1,40 +1,17 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'url_protection_space.dart';
 
+part 'url_authentication_challenge.g.dart';
+
 ///Class that represents a challenge from a server requiring authentication from the client.
 ///It provides all the information about the challenge.
-class URLAuthenticationChallenge {
+@ExchangeableObject()
+class URLAuthenticationChallenge_ {
   ///The protection space requiring authentication.
   URLProtectionSpace protectionSpace;
 
-  URLAuthenticationChallenge({
+  URLAuthenticationChallenge_({
     required this.protectionSpace,
   });
-
-  ///Gets a possible [URLAuthenticationChallenge] instance from a [Map] value.
-  static URLAuthenticationChallenge? fromMap(Map<String, dynamic>? map) {
-    if (map == null) {
-      return null;
-    }
-    return URLAuthenticationChallenge(
-      protectionSpace: URLProtectionSpace.fromMap(
-          map["protectionSpace"].cast<String, dynamic>())!,
-    );
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "protectionSpace": protectionSpace.toMap(),
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
 }

lib/src/types/url_authentication_challenge.g.dart

@@ -0,0 +1,43 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'url_authentication_challenge.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents a challenge from a server requiring authentication from the client.
+///It provides all the information about the challenge.
+class URLAuthenticationChallenge {
+  ///The protection space requiring authentication.
+  dynamic protectionSpace;
+  URLAuthenticationChallenge({this.protectionSpace});
+
+  ///Gets a possible [URLAuthenticationChallenge] instance from a [Map] value.
+  static URLAuthenticationChallenge? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = URLAuthenticationChallenge(
+      protectionSpace: map['protectionSpace'],
+    );
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "protectionSpace": protectionSpace,
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'URLAuthenticationChallenge{protectionSpace: $protectionSpace}';
+  }
+}

lib/src/types/url_protection_space.dart

@@ -1,13 +1,35 @@
 import 'dart:typed_data';
 
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import '../x509_certificate/x509_certificate.dart';
 import 'url_protection_space_proxy_type.dart';
 import 'url_protection_space_authentication_method.dart';
 import 'ssl_error.dart';
 import 'ssl_certificate.dart';
 
+part 'url_protection_space.g.dart';
+
+List<X509Certificate>? _distinguishedNamesDeserializer(dynamic value) {
+  List<X509Certificate>? distinguishedNames;
+  if (value != null) {
+    distinguishedNames = <X509Certificate>[];
+    (value.cast<Uint8List>() as List<Uint8List>)
+        .forEach((data) {
+      try {
+        distinguishedNames!.add(X509Certificate.fromData(data: data));
+      } catch (e, stacktrace) {
+        print(e);
+        print(stacktrace);
+      }
+    });
+  }
+  return distinguishedNames;
+}
+
 ///Class that represents a protection space requiring authentication.
-class URLProtectionSpace {
+@ExchangeableObject()
+class URLProtectionSpace_ {
   ///The hostname of the server.
   String host;
 
@@ -23,22 +45,25 @@ class URLProtectionSpace {
   int? port;
 
   ///The SSL certificate used.
-  SslCertificate? sslCertificate;
+  SslCertificate_? sslCertificate;
 
   ///The SSL Error associated.
   SslError? sslError;
 
   ///Use [authenticationMethod] instead.
   @Deprecated("Use authenticationMethod instead")
-  IOSNSURLProtectionSpaceAuthenticationMethod? iosAuthenticationMethod;
+  IOSNSURLProtectionSpaceAuthenticationMethod_? iosAuthenticationMethod;
 
   ///The authentication method used by the receiver.
   ///
   ///**NOTE**: available only on iOS.
-  URLProtectionSpaceAuthenticationMethod? authenticationMethod;
+  URLProtectionSpaceAuthenticationMethod_? authenticationMethod;
 
   ///Use [distinguishedNames] instead.
   @Deprecated("Use distinguishedNames instead")
+  @ExchangeableObjectProperty(
+      deserializer: _distinguishedNamesDeserializer
+  )
   List<X509Certificate>? iosDistinguishedNames;
 
   ///The acceptable certificate-issuing authorities for client certificate authentication.
@@ -46,6 +71,9 @@ class URLProtectionSpace {
   ///The returned issuing authorities are encoded with Distinguished Encoding Rules (DER).
   ///
   ///**NOTE**: available only on iOS.
+  @ExchangeableObjectProperty(
+      deserializer: _distinguishedNamesDeserializer
+  )
   List<X509Certificate>? distinguishedNames;
 
   ///Use [receivesCredentialSecurely] instead.
@@ -78,7 +106,7 @@ class URLProtectionSpace {
   ///**NOTE**: available only on iOS.
   URLProtectionSpaceProxyType? proxyType;
 
-  URLProtectionSpace(
+  URLProtectionSpace_(
       {required this.host,
         this.protocol,
         this.realm,
@@ -99,121 +127,5 @@ class URLProtectionSpace {
         this.isProxy,
         @Deprecated("Use proxyType instead")
         this.iosProxyType,
-        this.proxyType}) {
-    this.authenticationMethod = this.authenticationMethod ??
-        URLProtectionSpaceAuthenticationMethod.fromValue(
-          // ignore: deprecated_member_use_from_same_package
-            this.iosAuthenticationMethod?.toValue());
-    this.distinguishedNames =
-    // ignore: deprecated_member_use_from_same_package
-    this.distinguishedNames ?? this.iosDistinguishedNames;
-    this.receivesCredentialSecurely =
-    // ignore: deprecated_member_use_from_same_package
-    this.receivesCredentialSecurely ?? this.iosReceivesCredentialSecurely;
-    // ignore: deprecated_member_use_from_same_package
-    this.isProxy = this.isProxy ?? this.iosIsProxy;
-    this.proxyType = this.proxyType ??
-        // ignore: deprecated_member_use_from_same_package
-        URLProtectionSpaceProxyType.fromValue(this.iosProxyType?.toValue());
-  }
-
-  ///Gets a possible [URLProtectionSpace] instance from a [Map] value.
-  static URLProtectionSpace? fromMap(Map<String, dynamic>? map) {
-    if (map == null) {
-      return null;
-    }
-    List<X509Certificate>? distinguishedNames;
-    if (map["distinguishedNames"] != null) {
-      distinguishedNames = <X509Certificate>[];
-      (map["distinguishedNames"].cast<Uint8List>() as List<Uint8List>)
-          .forEach((data) {
-        try {
-          distinguishedNames!.add(X509Certificate.fromData(data: data));
-        } catch (e, stacktrace) {
-          print(e);
-          print(stacktrace);
-        }
-      });
-    }
-
-    return URLProtectionSpace(
-      host: map["host"],
-      protocol: map["protocol"],
-      realm: map["realm"],
-      port: map["port"],
-      sslCertificate: SslCertificate.fromMap(
-          map["sslCertificate"]?.cast<String, dynamic>()),
-      sslError: SslError.fromMap(map["sslError"]?.cast<String, dynamic>()),
-      // ignore: deprecated_member_use_from_same_package
-      iosAuthenticationMethod:
-      // ignore: deprecated_member_use_from_same_package
-      IOSNSURLProtectionSpaceAuthenticationMethod.fromValue(
-          map["authenticationMethod"]),
-      authenticationMethod: URLProtectionSpaceAuthenticationMethod.fromValue(
-          map["authenticationMethod"]),
-      // ignore: deprecated_member_use_from_same_package
-      iosDistinguishedNames: distinguishedNames,
-      distinguishedNames: distinguishedNames,
-      // ignore: deprecated_member_use_from_same_package
-      iosReceivesCredentialSecurely: map["receivesCredentialSecurely"],
-      receivesCredentialSecurely: map["receivesCredentialSecurely"],
-      // ignore: deprecated_member_use_from_same_package
-      iosIsProxy: map["isProxy"],
-      isProxy: map["isProxy"],
-      // ignore: deprecated_member_use_from_same_package
-      iosProxyType:
-      // ignore: deprecated_member_use_from_same_package
-      IOSNSURLProtectionSpaceProxyType.fromValue(map["proxyType"]),
-      proxyType: URLProtectionSpaceProxyType.fromValue(map["proxyType"]),
-    );
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toMap() {
-    return {
-      "host": host,
-      "protocol": protocol,
-      "realm": realm,
-      "port": port,
-      "sslCertificate": sslCertificate?.toMap(),
-      "sslError": sslError?.toMap(),
-      "iosAuthenticationMethod":
-      // ignore: deprecated_member_use_from_same_package
-      authenticationMethod ?? iosAuthenticationMethod,
-      // ignore: deprecated_member_use_from_same_package
-      "authenticationMethod": authenticationMethod ?? iosAuthenticationMethod,
-      // ignore: deprecated_member_use_from_same_package
-      "iosDistinguishedNames": (distinguishedNames ?? iosDistinguishedNames)
-          ?.map((e) => e.toMap())
-          .toList(),
-      // ignore: deprecated_member_use_from_same_package
-      "distinguishedNames": (distinguishedNames ?? iosDistinguishedNames)
-          ?.map((e) => e.toMap())
-          .toList(),
-      "iosReceivesCredentialSecurely":
-      // ignore: deprecated_member_use_from_same_package
-      receivesCredentialSecurely ?? iosReceivesCredentialSecurely,
-      "receivesCredentialSecurely":
-      // ignore: deprecated_member_use_from_same_package
-      receivesCredentialSecurely ?? iosReceivesCredentialSecurely,
-      // ignore: deprecated_member_use_from_same_package
-      "iosIsProxy": isProxy ?? iosIsProxy,
-      // ignore: deprecated_member_use_from_same_package
-      "isProxy": isProxy ?? iosIsProxy,
-      // ignore: deprecated_member_use_from_same_package
-      "iosProxyType": proxyType?.toValue() ?? iosProxyType?.toValue(),
-      // ignore: deprecated_member_use_from_same_package
-      "proxyType": proxyType?.toValue() ?? iosProxyType?.toValue(),
-    };
-  }
-
-  ///Converts instance to a map.
-  Map<String, dynamic> toJson() {
-    return this.toMap();
-  }
-
-  @override
-  String toString() {
-    return toMap().toString();
-  }
+        this.proxyType});
 }

lib/src/types/url_protection_space.g.dart

@@ -0,0 +1,175 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'url_protection_space.dart';
+
+// **************************************************************************
+// ExchangeableObjectGenerator
+// **************************************************************************
+
+///Class that represents a protection space requiring authentication.
+class URLProtectionSpace {
+  ///The hostname of the server.
+  String host;
+
+  ///The protocol of the server - e.g. "http", "ftp", "https".
+  String? protocol;
+
+  ///A string indicating a protocol-specific subdivision of a single host.
+  ///For http and https, this maps to the realm string in http authentication challenges.
+  ///For many other protocols it is unused.
+  String? realm;
+
+  ///The port of the server.
+  int? port;
+
+  ///The SSL certificate used.
+  SslCertificate? sslCertificate;
+
+  ///The SSL Error associated.
+  SslError? sslError;
+
+  ///Use [authenticationMethod] instead.
+  @Deprecated('Use authenticationMethod instead')
+  IOSNSURLProtectionSpaceAuthenticationMethod? iosAuthenticationMethod;
+
+  ///The authentication method used by the receiver.
+  ///
+  ///**NOTE**: available only on iOS.
+  URLProtectionSpaceAuthenticationMethod? authenticationMethod;
+
+  ///Use [distinguishedNames] instead.
+  @Deprecated('Use distinguishedNames instead')
+  List<X509Certificate>? iosDistinguishedNames;
+
+  ///The acceptable certificate-issuing authorities for client certificate authentication.
+  ///This value is `null` if the authentication method of the protection space is not client certificate.
+  ///The returned issuing authorities are encoded with Distinguished Encoding Rules (DER).
+  ///
+  ///**NOTE**: available only on iOS.
+  List<X509Certificate>? distinguishedNames;
+
+  ///Use [receivesCredentialSecurely] instead.
+  @Deprecated('Use receivesCredentialSecurely instead')
+  bool? iosReceivesCredentialSecurely;
+
+  ///A Boolean value that indicates whether the credentials for the protection space can be sent securely.
+  ///This value is `true` if the credentials for the protection space represented by the receiver can be sent securely, `false` otherwise.
+  ///
+  ///**NOTE**: available only on iOS.
+  bool? receivesCredentialSecurely;
+
+  ///Use [isProxy] instead.
+  @Deprecated('Use isProxy instead')
+  bool? iosIsProxy;
+
+  ///Returns a Boolean value that indicates whether the receiver does not descend from `NSObject`.
+  ///
+  ///**NOTE**: available only on iOS.
+  bool? isProxy;
+
+  ///Use [proxyType] instead.
+  @Deprecated('Use proxyType instead')
+  IOSNSURLProtectionSpaceProxyType? iosProxyType;
+
+  ///The receiver's proxy type.
+  ///This value is `null` if the receiver does not represent a proxy protection space.
+  ///The supported proxy types are listed in [URLProtectionSpaceProxyType.values].
+  ///
+  ///**NOTE**: available only on iOS.
+  URLProtectionSpaceProxyType? proxyType;
+  URLProtectionSpace(
+      {required this.host,
+      this.protocol,
+      this.realm,
+      this.port,
+      this.sslCertificate,
+      this.sslError,
+      @Deprecated('Use authenticationMethod instead')
+          this.iosAuthenticationMethod,
+      this.authenticationMethod,
+      @Deprecated('Use distinguishedNames instead')
+          this.iosDistinguishedNames,
+      this.distinguishedNames,
+      @Deprecated('Use receivesCredentialSecurely instead')
+          this.iosReceivesCredentialSecurely,
+      this.receivesCredentialSecurely,
+      @Deprecated('Use isProxy instead')
+          this.iosIsProxy,
+      this.isProxy,
+      @Deprecated('Use proxyType instead')
+          this.iosProxyType,
+      this.proxyType}) {
+    authenticationMethod = authenticationMethod ??
+        URLProtectionSpaceAuthenticationMethod.fromNativeValue(
+            iosAuthenticationMethod?.toNativeValue());
+    distinguishedNames = distinguishedNames ?? iosDistinguishedNames;
+    receivesCredentialSecurely =
+        receivesCredentialSecurely ?? iosReceivesCredentialSecurely;
+    isProxy = isProxy ?? iosIsProxy;
+    proxyType = proxyType ??
+        URLProtectionSpaceProxyType.fromValue(iosProxyType?.toValue());
+  }
+
+  ///Gets a possible [URLProtectionSpace] instance from a [Map] value.
+  static URLProtectionSpace? fromMap(Map<String, dynamic>? map) {
+    if (map == null) {
+      return null;
+    }
+    final instance = URLProtectionSpace(
+      host: map['host'],
+    );
+    instance.protocol = map['protocol'];
+    instance.realm = map['realm'];
+    instance.port = map['port'];
+    instance.sslCertificate =
+        SslCertificate.fromMap(map['sslCertificate']?.cast<String, dynamic>());
+    instance.sslError =
+        SslError.fromMap(map['sslError']?.cast<String, dynamic>());
+    instance.iosAuthenticationMethod =
+        IOSNSURLProtectionSpaceAuthenticationMethod.fromNativeValue(
+            map['authenticationMethod']);
+    instance.authenticationMethod =
+        URLProtectionSpaceAuthenticationMethod.fromNativeValue(
+            map['authenticationMethod']);
+    instance.iosDistinguishedNames =
+        _distinguishedNamesDeserializer(map['distinguishedNames']);
+    instance.distinguishedNames =
+        _distinguishedNamesDeserializer(map['distinguishedNames']);
+    instance.iosReceivesCredentialSecurely = map['receivesCredentialSecurely'];
+    instance.receivesCredentialSecurely = map['receivesCredentialSecurely'];
+    instance.iosIsProxy = map['isProxy'];
+    instance.isProxy = map['isProxy'];
+    instance.iosProxyType =
+        IOSNSURLProtectionSpaceProxyType.fromValue(map['proxyType']);
+    instance.proxyType =
+        URLProtectionSpaceProxyType.fromValue(map['proxyType']);
+    return instance;
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toMap() {
+    return {
+      "host": host,
+      "protocol": protocol,
+      "realm": realm,
+      "port": port,
+      "sslCertificate": sslCertificate?.toMap(),
+      "sslError": sslError?.toMap(),
+      "authenticationMethod": authenticationMethod?.toNativeValue(),
+      "distinguishedNames": distinguishedNames?.map((e) => e.toMap()).toList(),
+      "receivesCredentialSecurely": receivesCredentialSecurely,
+      "isProxy": isProxy,
+      "proxyType": proxyType?.toValue(),
+    };
+  }
+
+  ///Converts instance to a map.
+  Map<String, dynamic> toJson() {
+    return toMap();
+  }
+
+  @override
+  String toString() {
+    return 'URLProtectionSpace{host: $host, protocol: $protocol, realm: $realm, port: $port, sslCertificate: $sslCertificate, sslError: $sslError, authenticationMethod: $authenticationMethod, distinguishedNames: $distinguishedNames, receivesCredentialSecurely: $receivesCredentialSecurely, isProxy: $isProxy, proxyType: $proxyType}';
+  }
+}

lib/src/types/url_protection_space_authentication_method.dart

@@ -1,128 +1,63 @@
+import 'package:flutter_inappwebview_internal_annotations/flutter_inappwebview_internal_annotations.dart';
+
 import 'url_protection_space.dart';
 
+part 'url_protection_space_authentication_method.g.dart';
+
 ///Class that represents the constants describing known values of the [URLProtectionSpace.authenticationMethod] property.
-class URLProtectionSpaceAuthenticationMethod {
+@ExchangeableEnum()
+class URLProtectionSpaceAuthenticationMethod_ {
+  // ignore: unused_field
   final String _value;
-
-  const URLProtectionSpaceAuthenticationMethod._internal(this._value);
-
-  ///Set of all values of [URLProtectionSpaceAuthenticationMethod].
-  static final Set<URLProtectionSpaceAuthenticationMethod> values = [
-    URLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE,
-    URLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_NEGOTIATE,
-    URLProtectionSpaceAuthenticationMethod.NSURL_AUTHENTICATION_METHOD_NTLM,
-    URLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_SERVER_TRUST,
-  ].toSet();
-
-  ///Gets a possible [URLProtectionSpaceAuthenticationMethod] instance from a [String] value.
-  static URLProtectionSpaceAuthenticationMethod? fromValue(String? value) {
-    if (value != null) {
-      try {
-        return URLProtectionSpaceAuthenticationMethod.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [String] value.
-  String toValue() => _value;
-
-  @override
-  String toString() => _value;
+  const URLProtectionSpaceAuthenticationMethod_._internal(this._value);
 
   ///Use client certificate authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE =
-  const URLProtectionSpaceAuthenticationMethod._internal(
+  const URLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodClientCertificate");
 
   ///Negotiate whether to use Kerberos or NTLM authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_NEGOTIATE =
-  const URLProtectionSpaceAuthenticationMethod._internal(
+  const URLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodNegotiate");
 
   ///Use NTLM authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_NTLM =
-  const URLProtectionSpaceAuthenticationMethod._internal(
+  const URLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodNTLM");
 
   ///Perform server trust authentication (certificate validation) for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_SERVER_TRUST =
-  const URLProtectionSpaceAuthenticationMethod._internal(
+  const URLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodServerTrust");
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
 }
 
 ///An iOS-specific Class that represents the constants describing known values of the [URLProtectionSpace.authenticationMethod] property.
 ///Use [URLProtectionSpaceAuthenticationMethod] instead.
 @Deprecated("Use URLProtectionSpaceAuthenticationMethod instead")
-class IOSNSURLProtectionSpaceAuthenticationMethod {
+@ExchangeableEnum()
+class IOSNSURLProtectionSpaceAuthenticationMethod_ {
+  // ignore: unused_field
   final String _value;
-
-  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(this._value);
-
-  ///Set of all values of [IOSNSURLProtectionSpaceAuthenticationMethod].
-  static final Set<IOSNSURLProtectionSpaceAuthenticationMethod> values = [
-    IOSNSURLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE,
-    IOSNSURLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_NEGOTIATE,
-    IOSNSURLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_NTLM,
-    IOSNSURLProtectionSpaceAuthenticationMethod
-        .NSURL_AUTHENTICATION_METHOD_SERVER_TRUST,
-  ].toSet();
-
-  ///Gets a possible [IOSNSURLProtectionSpaceAuthenticationMethod] instance from a [String] value.
-  static IOSNSURLProtectionSpaceAuthenticationMethod? fromValue(String? value) {
-    if (value != null) {
-      try {
-        return IOSNSURLProtectionSpaceAuthenticationMethod.values
-            .firstWhere((element) => element.toValue() == value);
-      } catch (e) {
-        return null;
-      }
-    }
-    return null;
-  }
-
-  ///Gets [String] value.
-  String toValue() => _value;
-
-  @override
-  String toString() => _value;
+  const IOSNSURLProtectionSpaceAuthenticationMethod_._internal(this._value);
 
   ///Use client certificate authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE =
-  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+  const IOSNSURLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodClientCertificate");
 
   ///Negotiate whether to use Kerberos or NTLM authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_NEGOTIATE =
-  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+  const IOSNSURLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodNegotiate");
 
   ///Use NTLM authentication for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_NTLM =
-  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+  const IOSNSURLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodNTLM");
 
   ///Perform server trust authentication (certificate validation) for this protection space.
   static const NSURL_AUTHENTICATION_METHOD_SERVER_TRUST =
-  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+  const IOSNSURLProtectionSpaceAuthenticationMethod_._internal(
       "NSURLAuthenticationMethodServerTrust");
-
-  bool operator ==(value) => value == _value;
-
-  @override
-  int get hashCode => _value.hashCode;
 }

lib/src/types/url_protection_space_authentication_method.g.dart

@@ -0,0 +1,191 @@
+// GENERATED CODE - DO NOT MODIFY BY HAND
+
+part of 'url_protection_space_authentication_method.dart';
+
+// **************************************************************************
+// ExchangeableEnumGenerator
+// **************************************************************************
+
+///Class that represents the constants describing known values of the [URLProtectionSpace.authenticationMethod] property.
+class URLProtectionSpaceAuthenticationMethod {
+  final String _value;
+  final String _nativeValue;
+  const URLProtectionSpaceAuthenticationMethod._internal(
+      this._value, this._nativeValue);
+// ignore: unused_element
+  factory URLProtectionSpaceAuthenticationMethod._internalMultiPlatform(
+          String value, Function nativeValue) =>
+      URLProtectionSpaceAuthenticationMethod._internal(value, nativeValue());
+
+  ///Use client certificate authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE =
+      URLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodClientCertificate',
+          'NSURLAuthenticationMethodClientCertificate');
+
+  ///Negotiate whether to use Kerberos or NTLM authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_NEGOTIATE =
+      URLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodNegotiate',
+          'NSURLAuthenticationMethodNegotiate');
+
+  ///Use NTLM authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_NTLM =
+      URLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodNTLM', 'NSURLAuthenticationMethodNTLM');
+
+  ///Perform server trust authentication (certificate validation) for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_SERVER_TRUST =
+      URLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodServerTrust',
+          'NSURLAuthenticationMethodServerTrust');
+
+  ///Set of all values of [URLProtectionSpaceAuthenticationMethod].
+  static final Set<URLProtectionSpaceAuthenticationMethod> values = [
+    URLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE,
+    URLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_NEGOTIATE,
+    URLProtectionSpaceAuthenticationMethod.NSURL_AUTHENTICATION_METHOD_NTLM,
+    URLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_SERVER_TRUST,
+  ].toSet();
+
+  ///Gets a possible [URLProtectionSpaceAuthenticationMethod] instance from [String] value.
+  static URLProtectionSpaceAuthenticationMethod? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return URLProtectionSpaceAuthenticationMethod.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [URLProtectionSpaceAuthenticationMethod] instance from a native value.
+  static URLProtectionSpaceAuthenticationMethod? fromNativeValue(
+      String? value) {
+    if (value != null) {
+      try {
+        return URLProtectionSpaceAuthenticationMethod.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [String] value.
+  String toValue() => _value;
+
+  ///Gets [String] native value.
+  String toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    return _value;
+  }
+}
+
+///An iOS-specific Class that represents the constants describing known values of the [URLProtectionSpace.authenticationMethod] property.
+///Use [URLProtectionSpaceAuthenticationMethod] instead.
+@Deprecated('Use URLProtectionSpaceAuthenticationMethod instead')
+class IOSNSURLProtectionSpaceAuthenticationMethod {
+  final String _value;
+  final String _nativeValue;
+  const IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+      this._value, this._nativeValue);
+// ignore: unused_element
+  factory IOSNSURLProtectionSpaceAuthenticationMethod._internalMultiPlatform(
+          String value, Function nativeValue) =>
+      IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+          value, nativeValue());
+
+  ///Use client certificate authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE =
+      IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodClientCertificate',
+          'NSURLAuthenticationMethodClientCertificate');
+
+  ///Negotiate whether to use Kerberos or NTLM authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_NEGOTIATE =
+      IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodNegotiate',
+          'NSURLAuthenticationMethodNegotiate');
+
+  ///Use NTLM authentication for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_NTLM =
+      IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodNTLM', 'NSURLAuthenticationMethodNTLM');
+
+  ///Perform server trust authentication (certificate validation) for this protection space.
+  static const NSURL_AUTHENTICATION_METHOD_SERVER_TRUST =
+      IOSNSURLProtectionSpaceAuthenticationMethod._internal(
+          'NSURLAuthenticationMethodServerTrust',
+          'NSURLAuthenticationMethodServerTrust');
+
+  ///Set of all values of [IOSNSURLProtectionSpaceAuthenticationMethod].
+  static final Set<IOSNSURLProtectionSpaceAuthenticationMethod> values = [
+    IOSNSURLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_CLIENT_CERTIFICATE,
+    IOSNSURLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_NEGOTIATE,
+    IOSNSURLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_NTLM,
+    IOSNSURLProtectionSpaceAuthenticationMethod
+        .NSURL_AUTHENTICATION_METHOD_SERVER_TRUST,
+  ].toSet();
+
+  ///Gets a possible [IOSNSURLProtectionSpaceAuthenticationMethod] instance from [String] value.
+  static IOSNSURLProtectionSpaceAuthenticationMethod? fromValue(String? value) {
+    if (value != null) {
+      try {
+        return IOSNSURLProtectionSpaceAuthenticationMethod.values
+            .firstWhere((element) => element.toValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets a possible [IOSNSURLProtectionSpaceAuthenticationMethod] instance from a native value.
+  static IOSNSURLProtectionSpaceAuthenticationMethod? fromNativeValue(
+      String? value) {
+    if (value != null) {
+      try {
+        return IOSNSURLProtectionSpaceAuthenticationMethod.values
+            .firstWhere((element) => element.toNativeValue() == value);
+      } catch (e) {
+        return null;
+      }
+    }
+    return null;
+  }
+
+  ///Gets [String] value.
+  String toValue() => _value;
+
+  ///Gets [String] native value.
+  String toNativeValue() => _nativeValue;
+
+  @override
+  int get hashCode => _value.hashCode;
+
+  @override
+  bool operator ==(value) => value == _value;
+
+  @override
+  String toString() {
+    return _value;
+  }
+}

pubspec.yaml

@@ -13,13 +13,18 @@ dependencies:
   flutter_web_plugins:
     sdk: flutter
   js: ^0.6.3
+  flutter_inappwebview_internal_annotations:
+    path: dev_packages/flutter_inappwebview_internal_annotations
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   flutter_driver:
     sdk: flutter
-  pedantic: ^1.11.1
+  lints: ^1.0.1
+  build_runner:
+  generators:
+    path: dev_packages/generators
 
 # For information on the generic Dart part of this file, see the
 # following page: https://www.dartlang.org/tools/pub/pubspec