code: public JsDestinationAddress getProxyHandlerDestAddr() {
          if (TraceComponent.isAnyTracingEnabled()
              && tc.isEntryEnabled()) {
              SibTr.entry(tc, "getProxyHandlerDestAddr");
              SibTr.exit(tc, "getProxyHandlerDestAddr", _proxyHandlerDestAddr);
          }
          return _proxyHandlerDestAddr;
      }
docs: Method to return the name of the Subscription Proxy Queue used to receive
  the proxy updates
  
  @return String, the proxy Q name.