code: public synchronized boolean isDeleteInProgress()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.entry(tc, "isDeleteInProgress");
              SibTr.exit(tc, "isDeleteInProgress", Boolean.valueOf(_deleteInProgress));
          }
  
          return _deleteInProgress;
      }
docs: This method is used where a destination has been marked for deletion but where we need
  to ensure that all the preparatory work for deletion been completed.
  
  @return