code: public Observable<AppAvailabilityInfoInner> checkSubdomainAvailabilityAsync(OperationInputs operationInputs) {
          return checkSubdomainAvailabilityWithServiceResponseAsync(operationInputs).map(new Func1<ServiceResponse<AppAvailabilityInfoInner>, AppAvailabilityInfoInner>() {
              @Override
              public AppAvailabilityInfoInner call(ServiceResponse<AppAvailabilityInfoInner> response) {
                  return response.body();
              }
          });
      }
docs: Check if an IoT Central application subdomain is available.
  
  @param operationInputs Set the name parameter in the OperationInputs structure to the subdomain of the IoT Central application to check.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the AppAvailabilityInfoInner object