library;
import self as self;
import "dart:core" as core;

import "dart:async";

typedef Exactly<invariant T extends core::Object? = dynamic> = (T%) → T%;
extension /* unnamed */ _extension#0<T extends core::Object? = dynamic> on T% {
  method checkStaticType = self::_extension#0|checkStaticType;
  method tearoff checkStaticType = self::_extension#0|get#checkStaticType;
}
static method id<T extends core::Object? = dynamic>(self::id::T% value) → self::id::T%
  ;
static method main() → dynamic async 
  ;
static extension-member 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 extension-member 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%
  ;