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

class C extends core::Object {
  synthetic constructor •() → self::C*
    : super core::Object::•()
    ;
  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
}
extension E on self::C* {
  method f = self::E|f;
  tearoff f = self::E|get#f;
}
static method E|f(lowered final self::C* #this, core::String* b) → void {}
static method E|get#f(lowered final self::C* #this) → (core::String*) →* void
  return (core::String* b) → void => self::E|f(#this, b);
static method main() → void {
  dynamic b = "456";
  self::C* c = new self::C::•();
  self::E|f(c, b as{TypeError,ForDynamic} core::String*);
}