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

class Class<E extends core::Object? = dynamic> extends core::Object {
  synthetic constructor •() → self::Class<self::Class::E%>
    ;
  method method(covariant-by-class self::Class::E% e) → void
    ;
}
static method id<T extends core::Object? = dynamic>(self::id::T% t) → self::id::T%
  ;
static method main() → dynamic
  ;