| library /*isNonNullableByDefault*/; | |
| import self as self; | |
| import "dart:core" as core; | |
| static method i1<R extends core::Object? = dynamic>() → <S2 extends self::i1::R? = dynamic>() → void | |
| return <S2 extends self::i1::R?>() → void {}; | |
| static method main() → dynamic {} |