package java.util;
public abstract class AbstractSet<E>
  extends java.util.AbstractCollection<E>
  implements java.util.Set<E>
{
protected  AbstractSet() { throw new RuntimeException("Stub!"); }
public  boolean equals(java.lang.Object object) { throw new RuntimeException("Stub!"); }
public  int hashCode() { throw new RuntimeException("Stub!"); }
public  boolean removeAll(java.util.Collection<?> collection) { throw new RuntimeException("Stub!"); }
}