/** * Returns a clone of <code>map</code>, from keys to values. If the map * contains bounds or points, these are cloned as well. References to * <code>PortViews</code> are replaces by points. <br> * <b>Note: </b> Extend this method to clone custom user objects. */ public Object clone() { // TODO, is cloning the hash table excessive? return cloneEntries((AttributeMap) super.clone()); }