public void batchUnrelate(boolean notifyChanges) {
   NonRootModelElement inst = null;
   // R8007
   // C_C
   inst = HeldByComponent;
   unrelateAcrossR8007From(HeldByComponent, notifyChanges);
   if (inst != null) {
     inst.removeRef();
   }
 }
 public void unrelateAcrossR8007From(Component_c target) {
   unrelateAcrossR8007From(target, true);
 }