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

import "dart:async";

typedef Exactly<invariant T extends core::Object? = dynamic> = (T%) → T%;
extension _extension#0<T extends core::Object? = dynamic> on T% {
  method checkStaticType = self::_extension#0|checkStaticType;
  tearoff checkStaticType = self::_extension#0|get#checkStaticType;
}
static method id<T extends core::Object? = dynamic>(self::id::T% value) → self::id::T%
  return value;
static method main() → dynamic /* originally async */ {
  final asy::_Future<dynamic> :async_future = new asy::_Future::•<dynamic>();
  core::bool* :is_sync = false;
  FutureOr<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;
  function :async_op([dynamic :result, dynamic :exception, dynamic :stack_trace]) → dynamic yielding 
    try {
      #L1:
      {
        FutureOr<core::int>x = 1.{core::num::+}(self::id<core::int>(1));
        FutureOr<core::int>y = let final core::int #t1 = 1.{core::num::+}(self::id<core::int>(1)) in block {
          self::_extension#0|checkStaticType<core::int, (core::int) → core::int>(#t1);
        } =>#t1;
        FutureOr<core::int>z = let final core::int #t2 = 1.{core::num::+}(self::contextType<core::int>(1)) in block {
          self::_extension#0|checkStaticType<core::int, (core::int) → core::int>(#t2);
        } =>#t2;
      }
      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.call();
  :is_sync = true;
  return :async_future;
}
static method _extension#0|checkStaticType<T extends core::Object? = dynamic, R extends (self::_extension#0|checkStaticType::T%) → self::_extension#0|checkStaticType::T% = (dynamic) → dynamic>(lowered final self::_extension#0|checkStaticType::T% #this) → void {}
static method _extension#0|get#checkStaticType<T extends core::Object? = dynamic>(lowered final self::_extension#0|get#checkStaticType::T% #this) → <R extends (self::_extension#0|get#checkStaticType::T%) → self::_extension#0|get#checkStaticType::T% = (dynamic) → dynamic>() → void
  return <R extends (self::_extension#0|get#checkStaticType::T%) → self::_extension#0|get#checkStaticType::T% = (dynamic) → dynamic>() → void => self::_extension#0|checkStaticType<self::_extension#0|get#checkStaticType::T%, R>(#this);
static method contextType<T extends core::Object? = dynamic>(core::Object? o) → self::contextType::T%
  return o as{ForNonNullableByDefault} self::contextType::T%;