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

static method foo<X extends core::Object? = dynamic>(<Y extends core::Object? = dynamic>() → core::Map<self::foo::X%, Y%> f) → dynamic
  return null;
static method baz() → dynamic
  return self::foo<dynamic>(<Z extends core::Object? = dynamic>() → core::Map<dynamic, Z%> => <dynamic, Z%>{});
static method main() → dynamic {}