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")); } }