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

import "dart:async";

static method main() → 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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L1:
      {
        [yield] let dynamic #t1 = asy::_awaitHelper(self::returnsString(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::String>(:result_or_exception);
        [yield] let dynamic #t2 = asy::_awaitHelper(self::returnsFutureOrString(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::String>(:result_or_exception);
        [yield] let dynamic #t3 = asy::_awaitHelper(self::returnsAwaitFutureOrString(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::String>(:result_or_exception);
        [yield] let dynamic #t4 = asy::_awaitHelper(self::returnsFutureString(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::String>(:result_or_exception);
        [yield] let dynamic #t5 = asy::_awaitHelper(self::returnsAwaitFutureString(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::String>(:result_or_exception);
        [yield] let dynamic #t6 = asy::_awaitHelper(self::returnsObject(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::Object>(:result_or_exception);
        [yield] let dynamic #t7 = asy::_awaitHelper(self::returnsFutureOrObject(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::Object>(:result_or_exception);
        [yield] let dynamic #t8 = asy::_awaitHelper(self::returnsAwaitFutureOrObject(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::Object>(:result_or_exception);
        [yield] let dynamic #t9 = asy::_awaitHelper(self::returnsFutureObject(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::Object>(:result_or_exception);
        [yield] let dynamic #t10 = asy::_awaitHelper(self::returnsAwaitFutureObject(), :async_op_then, :async_op_error) in null;
        _in::unsafeCast<core::Object>(: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 returnsString() → asy::Future<core::String> /* futureValueType= core::String */ /* originally async */ {
  final asy::_Future<core::String> :async_future = new asy::_Future::•<core::String>();
  core::bool* :is_sync = false;
  core::String? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L2:
      {
        :return_value = "a";
        break #L2;
      }
      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 returnsFutureOrString() → asy::Future<core::String> /* futureValueType= core::String */ /* originally async */ {
  final asy::_Future<core::String> :async_future = new asy::_Future::•<core::String>();
  core::bool* :is_sync = false;
  FutureOr<core::String>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L3:
      {
        :return_value = self::getFutureOr<core::String>("a");
        break #L3;
      }
      asy::_completeOnAsyncReturn(: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 returnsAwaitFutureOrString() → asy::Future<core::String> /* futureValueType= core::String */ /* originally async */ {
  final asy::_Future<core::String> :async_future = new asy::_Future::•<core::String>();
  core::bool* :is_sync = false;
  core::String? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L4:
      {
        [yield] let dynamic #t11 = asy::_awaitHelper(self::getFutureOr<core::String>("a"), :async_op_then, :async_op_error) in null;
        :return_value = _in::unsafeCast<core::String>(:result_or_exception);
        break #L4;
      }
      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 returnsFutureString() → asy::Future<core::String> /* futureValueType= core::String */ /* originally async */ {
  final asy::_Future<core::String> :async_future = new asy::_Future::•<core::String>();
  core::bool* :is_sync = false;
  FutureOr<core::String>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L5:
      {
        :return_value = self::getFuture<core::String>("a");
        break #L5;
      }
      asy::_completeOnAsyncReturn(: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 returnsAwaitFutureString() → FutureOr<core::String> /* futureValueType= core::String */ /* originally async */ {
  final asy::_Future<core::String> :async_future = new asy::_Future::•<core::String>();
  core::bool* :is_sync = false;
  core::String? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L6:
      {
        [yield] let dynamic #t12 = asy::_awaitHelper(self::getFuture<core::String>("a"), :async_op_then, :async_op_error) in null;
        :return_value = _in::unsafeCast<core::String>(:result_or_exception);
        break #L6;
      }
      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 returnsObject() → asy::Future<core::Object> /* futureValueType= core::Object */ /* originally async */ {
  final asy::_Future<core::Object> :async_future = new asy::_Future::•<core::Object>();
  core::bool* :is_sync = false;
  FutureOr<core::Object>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L7:
      {
        :return_value = new core::Object::•();
        break #L7;
      }
      asy::_completeOnAsyncReturn(: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 returnsFutureOrObject() → asy::Future<core::Object> /* futureValueType= core::Object */ /* originally async */ {
  final asy::_Future<core::Object> :async_future = new asy::_Future::•<core::Object>();
  core::bool* :is_sync = false;
  FutureOr<core::Object>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L8:
      {
        :return_value = self::getFutureOr<core::Object>(new core::Object::•());
        break #L8;
      }
      asy::_completeOnAsyncReturn(: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 returnsAwaitFutureOrObject() → asy::Future<core::Object> /* futureValueType= core::Object */ /* originally async */ {
  final asy::_Future<core::Object> :async_future = new asy::_Future::•<core::Object>();
  core::bool* :is_sync = false;
  FutureOr<core::Object>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L9:
      {
        [yield] let dynamic #t13 = asy::_awaitHelper(self::getFutureOr<core::Object>(new core::Object::•()), :async_op_then, :async_op_error) in null;
        :return_value = _in::unsafeCast<core::Object>(:result_or_exception);
        break #L9;
      }
      asy::_completeOnAsyncReturn(: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 returnsFutureObject() → asy::Future<core::Object> /* futureValueType= core::Object */ /* originally async */ {
  final asy::_Future<core::Object> :async_future = new asy::_Future::•<core::Object>();
  core::bool* :is_sync = false;
  FutureOr<core::Object>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L10:
      {
        :return_value = self::getFuture<core::Object>(new core::Object::•());
        break #L10;
      }
      asy::_completeOnAsyncReturn(: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 returnsAwaitFutureObject() → FutureOr<core::Object> /* futureValueType= core::Object */ /* originally async */ {
  final asy::_Future<core::Object> :async_future = new asy::_Future::•<core::Object>();
  core::bool* :is_sync = false;
  FutureOr<core::Object>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L11:
      {
        [yield] let dynamic #t14 = asy::_awaitHelper(self::getFuture<core::Object>(new core::Object::•()), :async_op_then, :async_op_error) in null;
        :return_value = _in::unsafeCast<core::Object>(:result_or_exception);
        break #L11;
      }
      asy::_completeOnAsyncReturn(: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 getFutureOr<T extends core::Object? = dynamic>(self::getFutureOr::T% v) → FutureOr<self::getFutureOr::T%> /* futureValueType= self::getFutureOr::T% */ /* originally async */ {
  final asy::_Future<self::getFutureOr::T%> :async_future = new asy::_Future::•<self::getFutureOr::T%>();
  core::bool* :is_sync = false;
  FutureOr<self::getFutureOr::T%>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L12:
      {
        :return_value = v;
        break #L12;
      }
      asy::_completeOnAsyncReturn(: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 getFuture<T extends core::Object? = dynamic>(self::getFuture::T% v) → asy::Future<self::getFuture::T%> /* futureValueType= self::getFuture::T% */ /* originally async */ {
  final asy::_Future<self::getFuture::T%> :async_future = new asy::_Future::•<self::getFuture::T%>();
  core::bool* :is_sync = false;
  FutureOr<self::getFuture::T%>? :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;
  function :async_op(dynamic :result_or_exception, dynamic :stack_trace) → dynamic yielding 
    try {
      #L13:
      {
        :return_value = v;
        break #L13;
      }
      asy::_completeOnAsyncReturn(: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;
}