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

import "dart:async";

static method foo<T extends core::Object? = dynamic>(self::foo::T% t) → FutureOr<self::foo::T?>
  ;
static method bar<S extends core::Object? = dynamic>(core::bool t, self::bar::S% s) → dynamic
  ;
static method main() → dynamic
  ;