@Override public synchronized void clear(){
  super.clear();
  if (_customProperties != null)   _customProperties.clear();
  if (_dCacheProperties != null)   _dCacheProperties.clear();
}

@ Override public synchronized void clear ( ) { super . clear ( ) ; if ( _customProperties != null ) _customProperties . clear ( ) ; if ( _dCacheProperties != null ) _dCacheProperties . clear ( ) ; }
clears all properties held , including defaults , custom properties , and dcache properties .
