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

class B extends core::Object {
  field core::Object _x;
  synthetic constructor •() → void
    ;
  method f([core::num x]) → void
    ;
  method g({core::num x}) → void
    ;
  method check(core::Object expectedValue) → void
    ;
}
abstract class I<T extends core::Object = dynamic> extends core::Object {
  synthetic constructor •() → void
    ;
  abstract method f([self::I::T x]) → void;
  abstract method g({self::I::T x}) → void;
}
class C extends self::B implements self::I<core::num> {
  synthetic constructor •() → void
    ;
}
static method main() → dynamic
  ;