public void batchUnrelate(boolean notifyChanges) {
   NonRootModelElement inst = null;
   // R9600
   // SQU_Q
   inst = IsSupertypeQuery;
   unrelateAcrossR9600From(IsSupertypeQuery, notifyChanges);
   if (inst != null) {
     inst.removeRef();
   }
 }
 public void unrelateAcrossR9600From(Query_c target) {
   unrelateAcrossR9600From(target, true);
 }