src/main/java/org/jboss/util/collection/LazySet.java
private Set<T> createImplementation()
   {
      if (delegate instanceof HashSet == false)
         return new HashSet<T>(delegate);
      return delegate;
   }
private Set<T> createImplementation()
   {
      if (delegate instanceof HashSet == false)
         return new HashSet<T>(delegate);
      return delegate;
   }
Create the set implementation

@return the set