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

import "dart:async";

typedef S1<unrelated T extends core::Object? = dynamic> = dynamic;
typedef S2<unrelated T extends core::Object? = dynamic> = Null;
typedef S3<unrelated T extends core::Object? = dynamic> = void;
typedef S4<unrelated T extends core::Object? = dynamic> = FutureOr<dynamic>;
typedef S5<T extends core::Object? = dynamic> = FutureOr<T%>;
static method main() → dynamic {}