pkgs/swiftgen/test/integration/callbacks_bindings.dart

// Copyright (c) 2025, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.

// coverage:ignore-file

// AUTO GENERATED FILE, DO NOT EDIT.
//
// Generated by `package:ffigen`.
// ignore_for_file: type=lint, unused_import, unused_element, deprecated_member_use_from_same_package
import 'dart:ffi' as ffi;
import 'package:objective_c/objective_c.dart' as objc;
import 'package:ffi/ffi.dart' as pkg_ffi;

const _$objcVersionCheck = objc.ObjCVersionCheck(9, 6);
@ffi.Native<
  ffi.Pointer<objc.ObjCBlockImpl> Function(
    ffi.Int64,
    ffi.Pointer<objc.DOBJC_Context>,
    ffi.Pointer<
      ffi.NativeFunction<
        ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> args)
      >
    >,
  )
>(isLeaf: true)
external ffi.Pointer<objc.ObjCBlockImpl> _17w5sbb_wrapBlockingBlock_xtuoz7(
  int port,
  ffi.Pointer<objc.DOBJC_Context> context,
  ffi.Pointer<
    ffi.NativeFunction<ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> args)>
  >
  directInvoke,
);

@ffi.Native<
  ffi.Pointer<objc.ObjCBlockImpl> Function(
    ffi.Int64,
    ffi.Pointer<objc.DOBJC_Context>,
  )
>(isLeaf: true)
external ffi.Pointer<objc.ObjCBlockImpl> _17w5sbb_wrapListenerBlock_xtuoz7(
  int port,
  ffi.Pointer<objc.DOBJC_Context> context,
);

/// Construction methods for `objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>`.
abstract final class ObjCBlock_ffiVoid_NSObject {
  /// Returns a block that wraps the given raw block pointer.
  static objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> fromPointer(
    ffi.Pointer<objc.ObjCBlockImpl> pointer, {
    bool retain = false,
    bool release = false,
  }) => objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>(
    pointer,
    retain: retain,
    release: release,
  );

  /// Creates a block from a C function pointer.
  ///
  /// This block must be invoked by native code running on the same thread as
  /// the isolate that registered it. Invoking the block on the wrong thread
  /// will result in a crash.
  static objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> fromFunctionPointer(
    ffi.Pointer<
      ffi.NativeFunction<
        ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> arg0)
      >
    >
    ptr,
  ) => objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>(
    objc.newPointerBlock(_fnPtrCallable, ptr.cast()),
    retain: false,
    release: true,
  );

  /// Creates a block from a Dart function.
  ///
  /// This block must be invoked by native code running on the same thread as
  /// the isolate that registered it. Invoking the block on the wrong thread
  /// will result in a crash.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC.
  static objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> fromFunction(
    void Function(objc.NSObject?) fn, {
    bool keepIsolateAlive = true,
  }) => objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>(
    objc.newClosureBlock(_closureCallable, (
      ffi.Pointer<objc.ObjCObjectImpl> arg0,
    ) {
      return fn(
        arg0.address == 0
            ? null
            : objc.NSObject.fromPointer(arg0, retain: true, release: true),
      );
    }, keepIsolateAlive),
    retain: false,
    release: true,
  );

  /// Creates a listener block from a Dart function.
  ///
  /// This block can be invoked from any thread, but only supports void
  /// functions, and is not run synchronously. Async functions (ie returning
  /// Future<void>) are not supported.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC.
  static objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> listener(
    void Function(objc.NSObject?) fn, {
    bool keepIsolateAlive = true,
  }) {
    return objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>(
      objc.newBlockPort(_17w5sbb_wrapListenerBlock_xtuoz7, (
        ffi.Pointer<objc.ObjCObjectImpl> rawArgs,
      ) {
        final args = _BlockArgs_1n468bj.fromPointer(
          rawArgs,
          retain: false,
          release: false,
        );

        fn(args.arg0);
      }, keepIsolateAlive),
      retain: false,
      release: true,
    );
  }

  /// Creates a blocking block from a Dart function.
  ///
  /// This callback can be invoked from any native thread, and will block the
  /// caller until the callback is handled by the Dart isolate that created
  /// the block. Async functions (ie returning Future<void>) are not supported.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC. If the owner isolate
  /// has shut down, and the block is invoked by native code, it may block
  /// indefinitely, or have other undefined behavior.
  static objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> blocking(
    void Function(objc.NSObject?) fn, {
    bool keepIsolateAlive = true,
  }) {
    return objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>(
      objc.newBlockingBlockPort(_17w5sbb_wrapBlockingBlock_xtuoz7, (
        ffi.Pointer<objc.ObjCObjectImpl> rawArgs,
      ) {
        final args = _BlockArgs_1n468bj.fromPointer(
          rawArgs,
          retain: false,
          release: false,
        );

        fn(args.arg0);
      }, keepIsolateAlive),
      retain: false,
      release: true,
    );
  }

  static void _fnPtrTrampoline(
    ffi.Pointer<objc.ObjCBlockImpl> block,
    ffi.Pointer<objc.ObjCObjectImpl> arg0,
  ) => block.ref.target
      .cast<
        ffi.NativeFunction<
          ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> arg0)
        >
      >()
      .asFunction<void Function(ffi.Pointer<objc.ObjCObjectImpl>)>()(arg0);
  static ffi.Pointer<ffi.Void> _fnPtrCallable =
      ffi.Pointer.fromFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl>,
              ffi.Pointer<objc.ObjCObjectImpl>,
            )
          >(_fnPtrTrampoline)
          .cast();
  static void _closureTrampoline(
    ffi.Pointer<objc.ObjCBlockImpl> block,
    ffi.Pointer<objc.ObjCObjectImpl> arg0,
  ) =>
      (objc.getBlockClosure(block)
          as void Function(ffi.Pointer<objc.ObjCObjectImpl>))(arg0);
  static ffi.Pointer<ffi.Void> _closureCallable =
      ffi.Pointer.fromFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl>,
              ffi.Pointer<objc.ObjCObjectImpl>,
            )
          >(_closureTrampoline)
          .cast();
}

/// Call operator for `objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>`.
extension ObjCBlock_ffiVoid_NSObject$CallExtension
    on objc.ObjCBlock<ffi.Void Function(objc.NSObject?)> {
  void call(objc.NSObject? arg0) {
    final _$$ref = arg0?.ref;
    return ref.pointer.ref.invoke
        .cast<
          ffi.NativeFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl> block,
              ffi.Pointer<objc.ObjCObjectImpl> arg0,
            )
          >
        >()
        .asFunction<
          void Function(
            ffi.Pointer<objc.ObjCBlockImpl>,
            ffi.Pointer<objc.ObjCObjectImpl>,
          )
        >()(ref.pointer, _$$ref?.pointer ?? ffi.nullptr);
  }
}

/// Construction methods for `objc.ObjCBlock<ffi.Void Function(objc.NSString)>`.
abstract final class ObjCBlock_ffiVoid_NSString {
  /// Returns a block that wraps the given raw block pointer.
  static objc.ObjCBlock<ffi.Void Function(objc.NSString)> fromPointer(
    ffi.Pointer<objc.ObjCBlockImpl> pointer, {
    bool retain = false,
    bool release = false,
  }) => objc.ObjCBlock<ffi.Void Function(objc.NSString)>(
    pointer,
    retain: retain,
    release: release,
  );

  /// Creates a block from a C function pointer.
  ///
  /// This block must be invoked by native code running on the same thread as
  /// the isolate that registered it. Invoking the block on the wrong thread
  /// will result in a crash.
  static objc.ObjCBlock<ffi.Void Function(objc.NSString)> fromFunctionPointer(
    ffi.Pointer<
      ffi.NativeFunction<
        ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> arg0)
      >
    >
    ptr,
  ) => objc.ObjCBlock<ffi.Void Function(objc.NSString)>(
    objc.newPointerBlock(_fnPtrCallable, ptr.cast()),
    retain: false,
    release: true,
  );

  /// Creates a block from a Dart function.
  ///
  /// This block must be invoked by native code running on the same thread as
  /// the isolate that registered it. Invoking the block on the wrong thread
  /// will result in a crash.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC.
  static objc.ObjCBlock<ffi.Void Function(objc.NSString)> fromFunction(
    void Function(objc.NSString) fn, {
    bool keepIsolateAlive = true,
  }) => objc.ObjCBlock<ffi.Void Function(objc.NSString)>(
    objc.newClosureBlock(_closureCallable, (
      ffi.Pointer<objc.ObjCObjectImpl> arg0,
    ) {
      return fn(objc.NSString.fromPointer(arg0, retain: true, release: true));
    }, keepIsolateAlive),
    retain: false,
    release: true,
  );

  /// Creates a listener block from a Dart function.
  ///
  /// This block can be invoked from any thread, but only supports void
  /// functions, and is not run synchronously. Async functions (ie returning
  /// Future<void>) are not supported.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC.
  static objc.ObjCBlock<ffi.Void Function(objc.NSString)> listener(
    void Function(objc.NSString) fn, {
    bool keepIsolateAlive = true,
  }) {
    return objc.ObjCBlock<ffi.Void Function(objc.NSString)>(
      objc.newBlockPort(_17w5sbb_wrapListenerBlock_xtuoz7, (
        ffi.Pointer<objc.ObjCObjectImpl> rawArgs,
      ) {
        final args = _BlockArgs_1vzvc26.fromPointer(
          rawArgs,
          retain: false,
          release: false,
        );

        fn(args.arg0);
      }, keepIsolateAlive),
      retain: false,
      release: true,
    );
  }

  /// Creates a blocking block from a Dart function.
  ///
  /// This callback can be invoked from any native thread, and will block the
  /// caller until the callback is handled by the Dart isolate that created
  /// the block. Async functions (ie returning Future<void>) are not supported.
  ///
  /// If `keepIsolateAlive` is true, this block will keep this isolate alive
  /// until it is garbage collected by both Dart and ObjC. If the owner isolate
  /// has shut down, and the block is invoked by native code, it may block
  /// indefinitely, or have other undefined behavior.
  static objc.ObjCBlock<ffi.Void Function(objc.NSString)> blocking(
    void Function(objc.NSString) fn, {
    bool keepIsolateAlive = true,
  }) {
    return objc.ObjCBlock<ffi.Void Function(objc.NSString)>(
      objc.newBlockingBlockPort(_17w5sbb_wrapBlockingBlock_xtuoz7, (
        ffi.Pointer<objc.ObjCObjectImpl> rawArgs,
      ) {
        final args = _BlockArgs_1vzvc26.fromPointer(
          rawArgs,
          retain: false,
          release: false,
        );

        fn(args.arg0);
      }, keepIsolateAlive),
      retain: false,
      release: true,
    );
  }

  static void _fnPtrTrampoline(
    ffi.Pointer<objc.ObjCBlockImpl> block,
    ffi.Pointer<objc.ObjCObjectImpl> arg0,
  ) => block.ref.target
      .cast<
        ffi.NativeFunction<
          ffi.Void Function(ffi.Pointer<objc.ObjCObjectImpl> arg0)
        >
      >()
      .asFunction<void Function(ffi.Pointer<objc.ObjCObjectImpl>)>()(arg0);
  static ffi.Pointer<ffi.Void> _fnPtrCallable =
      ffi.Pointer.fromFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl>,
              ffi.Pointer<objc.ObjCObjectImpl>,
            )
          >(_fnPtrTrampoline)
          .cast();
  static void _closureTrampoline(
    ffi.Pointer<objc.ObjCBlockImpl> block,
    ffi.Pointer<objc.ObjCObjectImpl> arg0,
  ) =>
      (objc.getBlockClosure(block)
          as void Function(ffi.Pointer<objc.ObjCObjectImpl>))(arg0);
  static ffi.Pointer<ffi.Void> _closureCallable =
      ffi.Pointer.fromFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl>,
              ffi.Pointer<objc.ObjCObjectImpl>,
            )
          >(_closureTrampoline)
          .cast();
}

/// Call operator for `objc.ObjCBlock<ffi.Void Function(objc.NSString)>`.
extension ObjCBlock_ffiVoid_NSString$CallExtension
    on objc.ObjCBlock<ffi.Void Function(objc.NSString)> {
  void call(objc.NSString arg0) {
    final _$$ref = arg0.ref;
    return ref.pointer.ref.invoke
        .cast<
          ffi.NativeFunction<
            ffi.Void Function(
              ffi.Pointer<objc.ObjCBlockImpl> block,
              ffi.Pointer<objc.ObjCObjectImpl> arg0,
            )
          >
        >()
        .asFunction<
          void Function(
            ffi.Pointer<objc.ObjCBlockImpl>,
            ffi.Pointer<objc.ObjCObjectImpl>,
          )
        >()(ref.pointer, _$$ref.pointer);
  }
}

/// TestMessageService
extension type TestMessageService._(objc.ObjCObject object$)
    implements objc.ObjCObject, objc.NSObject {
  /// Constructs a [TestMessageService] that points to the same underlying object as [other].
  TestMessageService.as(objc.ObjCObject other) : object$ = other {
    assert(isA(object$));
  }

  /// Constructs a [TestMessageService] that wraps the given raw object pointer.
  TestMessageService.fromPointer(
    ffi.Pointer<objc.ObjCObjectImpl> other, {
    bool retain = false,
    bool release = false,
  }) : object$ = objc.ObjCObject(other, retain: retain, release: release) {
    assert(isA(object$));
  }

  /// Returns whether [obj] is an instance of [TestMessageService].
  static bool isA(objc.ObjCObject? obj) => obj == null
      ? false
      : _objc_msgSend_19nvye5(
          obj.ref.pointer,
          _sel_isKindOfClass_,
          _class_TestMessageService,
        );

  /// alloc
  static TestMessageService alloc() {
    final $ret = _objc_msgSend_151sglz(_class_TestMessageService, _sel_alloc);
    return TestMessageService.fromPointer($ret, retain: false, release: true);
  }

  /// allocWithZone:
  static TestMessageService allocWithZone(ffi.Pointer<objc.NSZone> zone) {
    final $ret = _objc_msgSend_1cwp428(
      _class_TestMessageService,
      _sel_allocWithZone_,
      zone,
    );
    return TestMessageService.fromPointer($ret, retain: false, release: true);
  }

  /// echoAsyncObjectWithAnObject:completionHandler:
  static void echoAsyncObjectWithAnObject(
    objc.NSObject anObject, {
    required objc.ObjCBlock<ffi.Void Function(objc.NSObject?)>
    completionHandler,
  }) {
    final _$$ref = anObject.ref;
    final _$$ref$1 = completionHandler.ref;
    _objc_msgSend_o762yo(
      _class_TestMessageService,
      _sel_echoAsyncObjectWithAnObject_completionHandler_,
      _$$ref.pointer,
      _$$ref$1.pointer,
    );
  }

  /// fetchGreetingAsyncWithCompletionHandler:
  static void fetchGreetingAsyncWithCompletionHandler(
    objc.ObjCBlock<ffi.Void Function(objc.NSString)> completionHandler,
  ) {
    final _$$ref = completionHandler.ref;
    _objc_msgSend_f167m6(
      _class_TestMessageService,
      _sel_fetchGreetingAsyncWithCompletionHandler_,
      _$$ref.pointer,
    );
  }

  /// fetchGreetingWithCompletion:
  static void fetchGreetingWithCompletion(
    objc.ObjCBlock<ffi.Void Function(objc.NSString)> completion,
  ) {
    final _$$ref = completion.ref;
    _objc_msgSend_f167m6(
      _class_TestMessageService,
      _sel_fetchGreetingWithCompletion_,
      _$$ref.pointer,
    );
  }

  /// new
  static TestMessageService new$() {
    final $ret = _objc_msgSend_151sglz(_class_TestMessageService, _sel_new);
    return TestMessageService.fromPointer($ret, retain: false, release: true);
  }

  /// Returns a new instance of TestMessageService constructed with the default `new` method.
  TestMessageService() : this.as(new$().object$);
}

extension TestMessageService$Methods on TestMessageService {
  /// init
  TestMessageService init() {
    final _$$ref = object$.ref;
    objc.checkOsVersionInternal(
      'TestMessageService.init',
      iOS: (false, (2, 0, 0)),
      macOS: (false, (10, 0, 0)),
    );
    final $ret = _objc_msgSend_151sglz(
      _$$ref.retainAndReturnPointer(),
      _sel_init,
    );
    return TestMessageService.fromPointer($ret, retain: false, release: true);
  }
}

extension type _BlockArgs_1n468bj._(objc.ObjCObject object$)
    implements objc.ObjCObject {
  /// Constructs a [_BlockArgs_1n468bj] that points to the same underlying object as [other].
  _BlockArgs_1n468bj.as(objc.ObjCObject other) : object$ = other {
    assert(isA(object$));
  }

  /// Constructs a [_BlockArgs_1n468bj] that wraps the given raw object pointer.
  _BlockArgs_1n468bj.fromPointer(
    ffi.Pointer<objc.ObjCObjectImpl> other, {
    bool retain = false,
    bool release = false,
  }) : object$ = objc.ObjCObject(other, retain: retain, release: release) {
    assert(isA(object$));
  }

  /// Returns whether [obj] is an instance of [_BlockArgs_1n468bj].
  static bool isA(objc.ObjCObject? obj) => obj == null
      ? false
      : _objc_msgSend_19nvye5(
          obj.ref.pointer,
          _sel_isKindOfClass_,
          _class__BlockArgs_1n468bj,
        );
}

extension _BlockArgs_1n468bj$Methods on _BlockArgs_1n468bj {
  objc.NSObject? get arg0 {
    final _$$ref = object$.ref;
    final $ret = _objc_msgSend_151sglz(_$$ref.pointer, _sel_arg0);
    return $ret.address == 0
        ? null
        : objc.NSObject.fromPointer($ret, retain: true, release: true);
  }
}

extension type _BlockArgs_1vzvc26._(objc.ObjCObject object$)
    implements objc.ObjCObject {
  /// Constructs a [_BlockArgs_1vzvc26] that points to the same underlying object as [other].
  _BlockArgs_1vzvc26.as(objc.ObjCObject other) : object$ = other {
    assert(isA(object$));
  }

  /// Constructs a [_BlockArgs_1vzvc26] that wraps the given raw object pointer.
  _BlockArgs_1vzvc26.fromPointer(
    ffi.Pointer<objc.ObjCObjectImpl> other, {
    bool retain = false,
    bool release = false,
  }) : object$ = objc.ObjCObject(other, retain: retain, release: release) {
    assert(isA(object$));
  }

  /// Returns whether [obj] is an instance of [_BlockArgs_1vzvc26].
  static bool isA(objc.ObjCObject? obj) => obj == null
      ? false
      : _objc_msgSend_19nvye5(
          obj.ref.pointer,
          _sel_isKindOfClass_,
          _class__BlockArgs_1vzvc26,
        );
}

extension _BlockArgs_1vzvc26$Methods on _BlockArgs_1vzvc26 {
  objc.NSString get arg0 {
    final _$$ref = object$.ref;
    final $ret = _objc_msgSend_151sglz(_$$ref.pointer, _sel_arg0);
    return objc.NSString.fromPointer($ret, retain: true, release: true);
  }
}

@ffi.Native<ffi.Pointer<objc.ObjCObjectImpl>>(
  symbol: 'OBJC_CLASS_\$__TtC9callbacks18TestMessageService',
)
external ffi.Pointer<objc.ObjCObjectImpl> _class_TestMessageService_raw;
final _class_TestMessageService = objc.getClass(
  "callbacks.TestMessageService",
  () => ffi.Native.addressOf<ffi.Pointer<objc.ObjCObjectImpl>>(
    _class_TestMessageService_raw,
  ).cast(),
);
@ffi.Native<ffi.Pointer<objc.ObjCObjectImpl>>(
  symbol: 'OBJC_CLASS_\$__17w5sbb_BlockArgs_xtuoz7',
)
external ffi.Pointer<objc.ObjCObjectImpl> _class__BlockArgs_1n468bj_raw;
final _class__BlockArgs_1n468bj = objc.getClass(
  "_17w5sbb_BlockArgs_xtuoz7",
  () => ffi.Native.addressOf<ffi.Pointer<objc.ObjCObjectImpl>>(
    _class__BlockArgs_1n468bj_raw,
  ).cast(),
);
@ffi.Native<ffi.Pointer<objc.ObjCObjectImpl>>(
  symbol: 'OBJC_CLASS_\$__17w5sbb_BlockArgs_xtuoz7',
)
external ffi.Pointer<objc.ObjCObjectImpl> _class__BlockArgs_1vzvc26_raw;
final _class__BlockArgs_1vzvc26 = objc.getClass(
  "_17w5sbb_BlockArgs_xtuoz7",
  () => ffi.Native.addressOf<ffi.Pointer<objc.ObjCObjectImpl>>(
    _class__BlockArgs_1vzvc26_raw,
  ).cast(),
);
final _objc_msgSend_151sglz = objc.msgSendPointer
    .cast<
      ffi.NativeFunction<
        ffi.Pointer<objc.ObjCObjectImpl> Function(
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCSelector>,
        )
      >
    >()
    .asFunction<
      ffi.Pointer<objc.ObjCObjectImpl> Function(
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCSelector>,
      )
    >();
final _objc_msgSend_19nvye5 = objc.msgSendPointer
    .cast<
      ffi.NativeFunction<
        ffi.Bool Function(
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCSelector>,
          ffi.Pointer<objc.ObjCObjectImpl>,
        )
      >
    >()
    .asFunction<
      bool Function(
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCSelector>,
        ffi.Pointer<objc.ObjCObjectImpl>,
      )
    >();
final _objc_msgSend_1cwp428 = objc.msgSendPointer
    .cast<
      ffi.NativeFunction<
        ffi.Pointer<objc.ObjCObjectImpl> Function(
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCSelector>,
          ffi.Pointer<objc.NSZone>,
        )
      >
    >()
    .asFunction<
      ffi.Pointer<objc.ObjCObjectImpl> Function(
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCSelector>,
        ffi.Pointer<objc.NSZone>,
      )
    >();
final _objc_msgSend_f167m6 = objc.msgSendPointer
    .cast<
      ffi.NativeFunction<
        ffi.Void Function(
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCSelector>,
          ffi.Pointer<objc.ObjCBlockImpl>,
        )
      >
    >()
    .asFunction<
      void Function(
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCSelector>,
        ffi.Pointer<objc.ObjCBlockImpl>,
      )
    >();
final _objc_msgSend_o762yo = objc.msgSendPointer
    .cast<
      ffi.NativeFunction<
        ffi.Void Function(
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCSelector>,
          ffi.Pointer<objc.ObjCObjectImpl>,
          ffi.Pointer<objc.ObjCBlockImpl>,
        )
      >
    >()
    .asFunction<
      void Function(
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCSelector>,
        ffi.Pointer<objc.ObjCObjectImpl>,
        ffi.Pointer<objc.ObjCBlockImpl>,
      )
    >();
late final _sel_alloc = objc.registerName("alloc");
late final _sel_allocWithZone_ = objc.registerName("allocWithZone:");
late final _sel_arg0 = objc.registerName("arg0");
late final _sel_echoAsyncObjectWithAnObject_completionHandler_ = objc
    .registerName("echoAsyncObjectWithAnObject:completionHandler:");
late final _sel_fetchGreetingAsyncWithCompletionHandler_ = objc.registerName(
  "fetchGreetingAsyncWithCompletionHandler:",
);
late final _sel_fetchGreetingWithCompletion_ = objc.registerName(
  "fetchGreetingWithCompletion:",
);
late final _sel_init = objc.registerName("init");
late final _sel_isKindOfClass_ = objc.registerName("isKindOfClass:");
late final _sel_new = objc.registerName("new");
typedef instancetype = ffi.Pointer<objc.ObjCObjectImpl>;
typedef Dartinstancetype = objc.ObjCObject;