import checkers.util.test.Odd;
abstract class C<T> { abstract T id(T x); }
class D extends C<@Odd String> { @Odd String id(@Odd String x) { return x; } }
class Usage {
void use() {
C c = null; // new D(); D is not a subtype of C<Object>
c.id(new Object()); // fails with a ClassCastException
}
}