public SynchronizedAttributeSet(AttributeSet attributeSet) 
{
            attrset = attributeSet;
}

 public synchronized boolean add(Attribute attribute) 
{
            return attrset.add(attribute);
}

 public synchronized boolean addAll(AttributeSet attributes) 
{
            return attrset.addAll(attributes);
}

 public synchronized  void clear() 
{
            attrset.clear();
}

 public synchronized boolean containsKey(Class category) 
{
            return attrset.containsKey(category);
}

 public synchronized boolean containsValue(Attribute attribute) 
{
            return attrset.containsValue(attribute);
}

 public synchronized boolean equals(Object o) 
{
            return attrset.equals (o);
}

 public synchronized Attribute get(Class category) 
{
            return attrset.get(category);
}

 public synchronized int hashCode() 
{
            return attrset.hashCode();
}

 public synchronized boolean isEmpty() 
{
            return attrset.isEmpty();
}

 public synchronized boolean remove(Class category) 
{
            return attrset.remove(category);
}

 public synchronized boolean remove(Attribute attribute) 
{
            return attrset.remove(attribute);
}

 public synchronized int size() 
{
            return attrset.size();
}

 public synchronized Attribute[] toArray() 
{
            return attrset.toArray();
}