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

static method test1<S extends core::num>(self::test1::S s) → dynamic
  ;
static method test2<S extends core::num?>(self::test2::S% s) → dynamic
  ;
static method test3<S extends core::int>(self::test3::S s) → dynamic
  ;
static method test4<S extends core::int?>(self::test4::S% s) → dynamic
  ;
static method main() → dynamic
  ;