package java.util;
import org.checkerframework.checker.lock.qual.*;
// doesn't permit null element
public class PriorityQueue<E extends Object> extends AbstractQueue<E> implements java.io.Serializable {
private static final long serialVersionUID = 0;
public PriorityQueue() { throw new RuntimeException("skeleton method"); }
public PriorityQueue(int a1) { throw new RuntimeException("skeleton method"); }
public PriorityQueue(int a1, Comparator<? super E> a2) { throw new RuntimeException("skeleton method"); }
public PriorityQueue(Collection<? extends E> a1) { throw new RuntimeException("skeleton method"); }
public PriorityQueue(PriorityQueue<? extends E> a1) { throw new RuntimeException("skeleton method"); }
public PriorityQueue(SortedSet<? extends E> a1) { throw new RuntimeException("skeleton method"); }
public boolean add(E a1) { throw new RuntimeException("skeleton method"); }
public boolean offer(E a1) { throw new RuntimeException("skeleton method"); }
public E peek() { throw new RuntimeException("skeleton method"); }
public boolean remove(Object a1) { throw new RuntimeException("skeleton method"); }
public boolean contains(@GuardSatisfied PriorityQueue<E> this,@GuardSatisfied Object a1) { throw new RuntimeException("skeleton method"); }
public Object [] toArray() { throw new RuntimeException("skeleton method"); }
public <T> T [] toArray(T [] a1) { throw new RuntimeException("skeleton method"); }
public Iterator<E> iterator() { throw new RuntimeException("skeleton method"); }
public int size(@GuardSatisfied PriorityQueue<E> this) { throw new RuntimeException("skeleton method"); }
public void clear() { throw new RuntimeException("skeleton method"); }
public E poll() { throw new RuntimeException("skeleton method"); }
public Comparator<? super E> comparator(@GuardSatisfied PriorityQueue<E> this) { throw new RuntimeException("skeleton method"); }
public boolean isEmpty(@GuardSatisfied PriorityQueue<E> this) { throw new RuntimeException("skeleton method"); }
}