code: public Observable<ExpressRouteCircuitsRoutesTableSummaryListResultInner> listRoutesTableSummaryAsync(String resourceGroupName, String circuitName, String peeringName, String devicePath) {
          return listRoutesTableSummaryWithServiceResponseAsync(resourceGroupName, circuitName, peeringName, devicePath).map(new Func1<ServiceResponse<ExpressRouteCircuitsRoutesTableSummaryListResultInner>, ExpressRouteCircuitsRoutesTableSummaryListResultInner>() {
              @Override
              public ExpressRouteCircuitsRoutesTableSummaryListResultInner call(ServiceResponse<ExpressRouteCircuitsRoutesTableSummaryListResultInner> response) {
                  return response.body();
              }
          });
      }
docs: Gets the currently advertised routes table summary associated with the express route circuit in a resource group.
  
  @param resourceGroupName The name of the resource group.
  @param circuitName The name of the express route circuit.
  @param peeringName The name of the peering.
  @param devicePath The path of the device.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable for the request