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

import "dart:async";

abstract class MyStream<T extends core::Object* = dynamic> extends asy::Stream<self::MyStream::T*> {
  static factory •<T extends core::Object* = dynamic>() → self::MyStream<self::MyStream::•::T*>*
    return null;
  abstract member-signature get isBroadcast() → core::bool*; -> asy::Stream::isBroadcast
  abstract member-signature method asBroadcastStream({(asy::StreamSubscription<self::MyStream::T*>*) →* void onListen = #C1, (asy::StreamSubscription<self::MyStream::T*>*) →* void onCancel = #C1}) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::asBroadcastStream
  abstract member-signature method where((self::MyStream::T*) →* core::bool* test) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::where
  abstract member-signature method map<S extends core::Object* = dynamic>((self::MyStream::T*) →* self::MyStream::map::S* convert) → asy::Stream<self::MyStream::map::S*>*; -> asy::Stream::map
  abstract member-signature method asyncMap<E extends core::Object* = dynamic>((self::MyStream::T*) →* FutureOr<self::MyStream::asyncMap::E*>* convert) → asy::Stream<self::MyStream::asyncMap::E*>*; -> asy::Stream::asyncMap
  abstract member-signature method asyncExpand<E extends core::Object* = dynamic>((self::MyStream::T*) →* asy::Stream<self::MyStream::asyncExpand::E*>* convert) → asy::Stream<self::MyStream::asyncExpand::E*>*; -> asy::Stream::asyncExpand
  abstract member-signature method handleError(core::Function* onError, {(dynamic) →* core::bool* test = #C1}) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::handleError
  abstract member-signature method expand<S extends core::Object* = dynamic>((self::MyStream::T*) →* core::Iterable<self::MyStream::expand::S*>* convert) → asy::Stream<self::MyStream::expand::S*>*; -> asy::Stream::expand
  abstract member-signature method pipe(covariant-by-class asy::StreamConsumer<self::MyStream::T*>* streamConsumer) → asy::Future<dynamic>*; -> asy::Stream::pipe
  abstract member-signature method transform<S extends core::Object* = dynamic>(covariant-by-class asy::StreamTransformer<self::MyStream::T*, self::MyStream::transform::S*>* streamTransformer) → asy::Stream<self::MyStream::transform::S*>*; -> asy::Stream::transform
  abstract member-signature method reduce(covariant-by-class (self::MyStream::T*, self::MyStream::T*) →* self::MyStream::T* combine) → asy::Future<self::MyStream::T*>*; -> asy::Stream::reduce
  abstract member-signature method fold<S extends core::Object* = dynamic>(self::MyStream::fold::S* initialValue, (self::MyStream::fold::S*, self::MyStream::T*) →* self::MyStream::fold::S* combine) → asy::Future<self::MyStream::fold::S*>*; -> asy::Stream::fold
  abstract member-signature method join([core::String* separator = #C2]) → asy::Future<core::String*>*; -> asy::Stream::join
  abstract member-signature method contains(core::Object* needle) → asy::Future<core::bool*>*; -> asy::Stream::contains
  abstract member-signature method forEach((self::MyStream::T*) →* void action) → asy::Future<dynamic>*; -> asy::Stream::forEach
  abstract member-signature method every((self::MyStream::T*) →* core::bool* test) → asy::Future<core::bool*>*; -> asy::Stream::every
  abstract member-signature method any((self::MyStream::T*) →* core::bool* test) → asy::Future<core::bool*>*; -> asy::Stream::any
  abstract member-signature get length() → asy::Future<core::int*>*; -> asy::Stream::length
  abstract member-signature get isEmpty() → asy::Future<core::bool*>*; -> asy::Stream::isEmpty
  abstract member-signature method cast<R extends core::Object* = dynamic>() → asy::Stream<self::MyStream::cast::R*>*; -> asy::Stream::cast
  abstract member-signature method toList() → asy::Future<core::List<self::MyStream::T*>*>*; -> asy::Stream::toList
  abstract member-signature method toSet() → asy::Future<core::Set<self::MyStream::T*>*>*; -> asy::Stream::toSet
  abstract member-signature method drain<E extends core::Object* = dynamic>([self::MyStream::drain::E* futureValue = #C1]) → asy::Future<self::MyStream::drain::E*>*; -> asy::Stream::drain
  abstract member-signature method take(core::int* count) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::take
  abstract member-signature method takeWhile((self::MyStream::T*) →* core::bool* test) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::takeWhile
  abstract member-signature method skip(core::int* count) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::skip
  abstract member-signature method skipWhile((self::MyStream::T*) →* core::bool* test) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::skipWhile
  abstract member-signature method distinct([(self::MyStream::T*, self::MyStream::T*) →* core::bool* equals = #C1]) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::distinct
  abstract member-signature get first() → asy::Future<self::MyStream::T*>*; -> asy::Stream::first
  abstract member-signature get last() → asy::Future<self::MyStream::T*>*; -> asy::Stream::last
  abstract member-signature get single() → asy::Future<self::MyStream::T*>*; -> asy::Stream::single
  abstract member-signature method firstWhere((self::MyStream::T*) →* core::bool* test, {covariant-by-class () →* self::MyStream::T* orElse = #C1}) → asy::Future<self::MyStream::T*>*; -> asy::Stream::firstWhere
  abstract member-signature method lastWhere((self::MyStream::T*) →* core::bool* test, {covariant-by-class () →* self::MyStream::T* orElse = #C1}) → asy::Future<self::MyStream::T*>*; -> asy::Stream::lastWhere
  abstract member-signature method singleWhere((self::MyStream::T*) →* core::bool* test, {covariant-by-class () →* self::MyStream::T* orElse = #C1}) → asy::Future<self::MyStream::T*>*; -> asy::Stream::singleWhere
  abstract member-signature method elementAt(core::int* index) → asy::Future<self::MyStream::T*>*; -> asy::Stream::elementAt
  abstract member-signature method timeout(core::Duration* timeLimit, {(asy::EventSink<self::MyStream::T*>*) →* void onTimeout = #C1}) → asy::Stream<self::MyStream::T*>*; -> asy::Stream::timeout
  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
  abstract member-signature method listen((self::MyStream::T*) →* void onData, {core::Function* onError = #C1, () →* void onDone = #C1, core::bool* cancelOnError = #C1}) → asy::StreamSubscription<self::MyStream::T*>*; -> asy::Stream::listen
}
static method F<T extends core::Object* = dynamic>() → self::F::T*
  return null;
static method f() → asy::Future<dynamic>* /* futureValueType= dynamic */ /* originally async */ {
  final asy::_Future<dynamic>* :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (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 :saved_try_context_var1;
  dynamic :exception0;
  dynamic :stack_trace0;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L1:
      {
        dynamic d;
        core::Object* o;
        {
          core::Iterator<dynamic>* :sync-for-iterator = self::F<core::Iterable<dynamic>*>().{core::Iterable::iterator}{core::Iterator<dynamic>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            dynamic x = :sync-for-iterator.{core::Iterator::current}{dynamic};
            {}
          }
        }
        {
          core::Iterator<dynamic>* :sync-for-iterator = self::F<core::Iterable<dynamic>*>().{core::Iterable::iterator}{core::Iterator<dynamic>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            dynamic x = :sync-for-iterator.{core::Iterator::current}{dynamic};
            {}
          }
        }
        {
          core::Iterator<core::Object*>* :sync-for-iterator = self::F<core::Iterable<core::Object*>*>().{core::Iterable::iterator}{core::Iterator<core::Object*>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            core::Object* x = :sync-for-iterator.{core::Iterator::current}{core::Object*};
            {}
          }
        }
        {
          core::Iterator<dynamic>* :sync-for-iterator = self::F<core::Iterable<dynamic>*>().{core::Iterable::iterator}{core::Iterator<dynamic>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            final dynamic #t1 = :sync-for-iterator.{core::Iterator::current}{dynamic};
            {
              d = #t1;
            }
          }
        }
        {
          core::Iterator<core::Object*>* :sync-for-iterator = self::F<core::Iterable<core::Object*>*>().{core::Iterable::iterator}{core::Iterator<core::Object*>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            final core::Object* #t2 = :sync-for-iterator.{core::Iterator::current}{core::Object*};
            {
              o = #t2;
            }
          }
        }
        {
          asy::Stream<dynamic>* :stream = self::F<asy::Stream<dynamic>*>();
          asy::_StreamIterator<dynamic>* :for-iterator = new asy::_StreamIterator::•<dynamic>(:stream);
          try
            #L2:
            while (true) {
              dynamic #t3 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t4 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                dynamic x = :for-iterator.{asy::_StreamIterator::current}{dynamic};
                {}
              }
              else
                break #L2;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<dynamic>?} == null)) {
              [yield] let dynamic #t5 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
        {
          asy::Stream<dynamic>* :stream = self::F<asy::Stream<dynamic>*>();
          asy::_StreamIterator<dynamic>* :for-iterator = new asy::_StreamIterator::•<dynamic>(:stream);
          try
            #L3:
            while (true) {
              dynamic #t6 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t7 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                dynamic x = :for-iterator.{asy::_StreamIterator::current}{dynamic};
                {}
              }
              else
                break #L3;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<dynamic>?} == null)) {
              [yield] let dynamic #t8 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
        {
          asy::Stream<core::Object*>* :stream = self::F<asy::Stream<core::Object*>*>();
          asy::_StreamIterator<core::Object*>* :for-iterator = new asy::_StreamIterator::•<core::Object*>(:stream);
          try
            #L4:
            while (true) {
              dynamic #t9 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t10 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                core::Object* x = :for-iterator.{asy::_StreamIterator::current}{core::Object*};
                {}
              }
              else
                break #L4;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<core::Object*>?} == null)) {
              [yield] let dynamic #t11 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
        {
          asy::Stream<dynamic>* :stream = self::F<asy::Stream<dynamic>*>();
          asy::_StreamIterator<dynamic>* :for-iterator = new asy::_StreamIterator::•<dynamic>(:stream);
          try
            #L5:
            while (true) {
              dynamic #t12 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t13 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                final dynamic #t14 = :for-iterator.{asy::_StreamIterator::current}{dynamic};
                {
                  d = #t14;
                }
              }
              else
                break #L5;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<dynamic>?} == null)) {
              [yield] let dynamic #t15 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
        {
          asy::Stream<core::Object*>* :stream = self::F<asy::Stream<core::Object*>*>();
          asy::_StreamIterator<core::Object*>* :for-iterator = new asy::_StreamIterator::•<core::Object*>(:stream);
          try
            #L6:
            while (true) {
              dynamic #t16 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t17 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                final core::Object* #t18 = :for-iterator.{asy::_StreamIterator::current}{core::Object*};
                {
                  o = #t18;
                }
              }
              else
                break #L6;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<core::Object*>?} == null)) {
              [yield] let dynamic #t19 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() →* dynamic};
  :is_sync = true;
  return :async_future;
}
static method main() → asy::Future<dynamic>* /* futureValueType= dynamic */ /* originally async */ {
  final asy::_Future<dynamic>* :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  dynamic :return_value;
  (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 :saved_try_context_var1;
  dynamic :exception0;
  dynamic :stack_trace0;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L7:
      {
        {
          core::Iterator<core::int*>* :sync-for-iterator = core::_GrowableList::_literal3<core::int*>(1, 2, 3).{core::Iterable::iterator}{core::Iterator<core::int*>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            core::int* x = :sync-for-iterator.{core::Iterator::current}{core::int*};
            {}
          }
        }
        {
          core::Iterator<core::num*>* :sync-for-iterator = core::_GrowableList::_literal3<core::num*>(1, 2, 3).{core::Iterable::iterator}{core::Iterator<core::num*>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            core::num* x = :sync-for-iterator.{core::Iterator::current}{core::num*};
            {}
          }
        }
        {
          core::Iterator<core::int*>* :sync-for-iterator = core::_GrowableList::_literal3<core::int*>(1, 2, 3).{core::Iterable::iterator}{core::Iterator<core::int*>*};
          for (; :sync-for-iterator.{core::Iterator::moveNext}(){() → core::bool}; ) {
            core::int* x = :sync-for-iterator.{core::Iterator::current}{core::int*};
            {}
          }
        }
        {
          self::MyStream<core::int*>* :stream = self::MyStream::•<core::int*>();
          asy::_StreamIterator<core::int*>* :for-iterator = new asy::_StreamIterator::•<core::int*>(:stream);
          try
            #L8:
            while (true) {
              dynamic #t20 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t21 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                core::int* x = :for-iterator.{asy::_StreamIterator::current}{core::int*};
                {}
              }
              else
                break #L8;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<core::int*>?} == null)) {
              [yield] let dynamic #t22 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
        {
          self::MyStream<core::int*>* :stream = self::MyStream::•<core::int*>();
          asy::_StreamIterator<core::int*>* :for-iterator = new asy::_StreamIterator::•<core::int*>(:stream);
          try
            #L9:
            while (true) {
              dynamic #t23 = asy::_asyncStarMoveNextHelper(:stream);
              [yield] let dynamic #t24 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::moveNext}(){() → asy::Future<core::bool>}, :async_op_then, :async_op_error) in null;
              if(_in::unsafeCast<core::bool>(:result_or_exception)) {
                core::int* x = :for-iterator.{asy::_StreamIterator::current}{core::int*};
                {}
              }
              else
                break #L9;
            }
          finally
            if(!(:for-iterator.{asy::_StreamIterator::_subscription}{asy::StreamSubscription<core::int*>?} == null)) {
              [yield] let dynamic #t25 = asy::_awaitHelper(:for-iterator.{asy::_StreamIterator::cancel}(){() → asy::Future<dynamic>}, :async_op_then, :async_op_error) in null;
              :result_or_exception;
            }
        }
      }
      asy::_completeWithNoFutureOnAsyncReturn(:async_future, :return_value, :is_sync);
      return;
    }
    on dynamic catch(dynamic exception, core::StackTrace* stack_trace) {
      asy::_completeOnAsyncError(:async_future, exception, stack_trace, :is_sync);
    }
  :async_op_then = asy::_asyncThenWrapperHelper(:async_op);
  :async_op_error = asy::_asyncErrorWrapperHelper(:async_op);
  :async_op(null, null){() →* dynamic};
  :is_sync = true;
  return :async_future;
}

constants  {
  #C1 = null
  #C2 = ""
}