// Test case for Issue 1991:
// https://github.com/typetools/checker-framework/issues/1991

import java.io.Serializable;

@SuppressWarnings("") // Check for crashes only
abstract class Issue1991Full {

    abstract void g(A obj);

    static class A {
        A(C<?, ?> c) {}
    }

    interface B extends C<D, E> {}

    interface C<X extends Comparable<? super X>, Y extends Serializable> {}

    public class E implements Serializable {}

    abstract static class D implements Comparable<D>, Serializable {}

    void f(B b) {
        g(new A(b));
    }
}