// Returns the TNodeTemplate belonging to the anchor, or null if not available
 private TNodeTemplate getTNodeTemplate(Anchor anchor) {
   if (anchor != null) {
     Object obj = getBusinessObjectForPictogramElement(anchor.getParent());
     if (obj instanceof TNodeTemplate) {
       return (TNodeTemplate) obj;
     }
   }
   return null;
 }
 private FlowNode getFlowNode(Anchor anchor) {
   if (anchor != null) {
     Object obj = getBusinessObjectForPictogramElement(anchor.getParent());
     if (obj instanceof FlowNode) {
       return (FlowNode) obj;
     }
   }
   return null;
 }