package java.util;
import checkers.javari.quals.*;
public abstract class AbstractQueue<E> extends AbstractCollection<E> implements Queue<E> {
protected AbstractQueue() { throw new RuntimeException(("skeleton method")); }
public boolean add(E a1) { throw new RuntimeException(("skeleton method")); }
public E remove() { throw new RuntimeException(("skeleton method")); }
public E element() @ReadOnly { throw new RuntimeException(("skeleton method")); }
public void clear() { throw new RuntimeException(("skeleton method")); }
public boolean addAll(@ReadOnly Collection<? extends E> a1) { throw new RuntimeException(("skeleton method")); }
}