code: public String getSubscriberID()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
          {
              SibTr.entry(this, tc, "getSubscriberID");
              SibTr.exit(this, tc, "getSubscriberID", subscriptionID);
          }
  
          return subscriptionID;
      }
docs: Returns the subscriberID.
  
  @return String