library;
import self as self;
import "dart:core" as core;
import "dart:async" as asy;
import "dart:_internal" as _in;

import "dart:async";

class X extends core::Object {
  final field dynamic x;
  final field dynamic y;
  constructor •(dynamic x, dynamic y) → self::X*
    : self::X::x = x, self::X::y = y, super core::Object::•()
    ;
  method toString() → core::String*
    return "X(${this.{self::X::x}}, ${this.{self::X::y}})";
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
class Y extends core::Object {
  synthetic constructor •() → self::Y*
    : super core::Object::•()
    ;
  method f(dynamic _) → dynamic {}
  abstract member-signature get _identityHashCode() → core::int*; -> core::Object::_identityHashCode
  abstract member-signature method _instanceOf(dynamic instantiatorTypeArguments, dynamic functionTypeArguments, dynamic type) → core::bool*; -> core::Object::_instanceOf
  abstract member-signature method _simpleInstanceOf(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOf
  abstract member-signature method _simpleInstanceOfTrue(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfTrue
  abstract member-signature method _simpleInstanceOfFalse(dynamic type) → core::bool*; -> core::Object::_simpleInstanceOfFalse
  abstract member-signature operator ==(dynamic other) → core::bool*; -> core::Object::==
  abstract member-signature get hashCode() → core::int*; -> core::Object::hashCode
  abstract member-signature method toString() → core::String*; -> core::Object::toString
  abstract member-signature method noSuchMethod(core::Invocation* invocation) → dynamic; -> core::Object::noSuchMethod
  abstract member-signature get runtimeType() → core::Type*; -> core::Object::runtimeType
}
static method f1() → asy::Future<core::List<core::Object*>*>* /* originally async */ {
  final asy::_AsyncAwaitCompleter<core::List<core::Object*>*>* :async_completer = new asy::_AsyncAwaitCompleter::•<core::List<core::Object*>*>();
  FutureOr<core::List<core::Object*>*>* :return_value;
  dynamic :async_stack_trace;
  (dynamic) →* dynamic :async_op_then;
  (core::Object*, core::StackTrace*) →* dynamic :async_op_error;
  core::int* :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L1:
      {
        :return_value = <core::Object*>[1];
        break #L1;
      }
      asy::_completeOnAsyncReturn(:async_completer, :return_value);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      :async_completer.{asy::Completer::completeError}(exception, stack_trace);
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_completer.{asy::_AsyncAwaitCompleter::start}(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method f2() → core::List<core::Object*>*
  return <core::Object*>[2];
static method f3() → asy::Future<core::Object*>* /* originally async */ {
  final asy::_AsyncAwaitCompleter<core::Object*>* :async_completer = new asy::_AsyncAwaitCompleter::•<core::Object*>();
  FutureOr<core::Object*>* :return_value;
  dynamic :async_stack_trace;
  (dynamic) →* dynamic :async_op_then;
  (core::Object*, core::StackTrace*) →* dynamic :async_op_error;
  core::int* :await_jump_var = 0;
  dynamic :await_ctx_var;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L2:
      {
        :return_value = 3;
        break #L2;
      }
      asy::_completeOnAsyncReturn(:async_completer, :return_value);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      :async_completer.{asy::Completer::completeError}(exception, stack_trace);
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_completer.{asy::_AsyncAwaitCompleter::start}(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method foo() → asy::Future<self::X*>* /* originally async */ {
  final asy::_AsyncAwaitCompleter<self::X*>* :async_completer = new asy::_AsyncAwaitCompleter::•<self::X*>();
  FutureOr<self::X*>* :return_value;
  dynamic :async_stack_trace;
  (dynamic) →* dynamic :async_op_then;
  (core::Object*, core::StackTrace*) →* dynamic :async_op_error;
  core::int* :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  dynamic :async_temporary_0;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L3:
      {
        final self::Y* #t1 = new self::Y::•();
        [yield] let dynamic #t2 = asy::_awaitHelper(self::f1(), :async_op_then, :async_op_error, :async_op) in null;
        #t1.{self::Y::f}(_in::unsafeCast<core::List<core::Object*>*>(:result));
        :async_temporary_0 = block {
          #t1.{self::Y::f}(self::f2());
        } =>#t1;
        [yield] let dynamic #t3 = asy::_awaitHelper(self::f3(), :async_op_then, :async_op_error, :async_op) in null;
        :return_value = new self::X::•(_in::unsafeCast<self::Y*>(:async_temporary_0), _in::unsafeCast<core::Object*>(:result));
        break #L3;
      }
      asy::_completeOnAsyncReturn(:async_completer, :return_value);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      :async_completer.{asy::Completer::completeError}(exception, stack_trace);
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_completer.{asy::_AsyncAwaitCompleter::start}(:async_op);
  return :async_completer.{asy::Completer::future};
}
static method main() → asy::Future<void>* /* originally async */ {
  final asy::_AsyncAwaitCompleter<void>* :async_completer = new asy::_AsyncAwaitCompleter::•<void>();
  FutureOr<void>* :return_value;
  dynamic :async_stack_trace;
  (dynamic) →* dynamic :async_op_then;
  (core::Object*, core::StackTrace*) →* dynamic :async_op_error;
  core::int* :await_jump_var = 0;
  dynamic :await_ctx_var;
  dynamic :saved_try_context_var0;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L4:
      {
        [yield] let dynamic #t4 = asy::_awaitHelper(self::foo(), :async_op_then, :async_op_error, :async_op) in null;
        core::print(_in::unsafeCast<self::X*>(:result));
      }
      asy::_completeOnAsyncReturn(:async_completer, :return_value);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      :async_completer.{asy::Completer::completeError}(exception, stack_trace);
    }
  :async_stack_trace = asy::_asyncStackTraceHelper(:async_op);
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_completer.{asy::_AsyncAwaitCompleter::start}(:async_op);
  return :async_completer.{asy::Completer::future};
}