package cz.cuni.amis.utils.collections;
   
   import java.util.Set;
   
   public class ObservableSet<E> extends ObservableCollection<E> implements Set<E> {
   
       protected Set<E> s = null;
   
       public ObservableSet(Set<E> set) {
          super(set);
          s = set;
      }
  }