docs: public Observable<EntityNameAvailabilityCheckOutputInner> checkNameAvailabilityAsync(String locationName, CheckNameAvailabilityInput parameters) {
          return checkNameAvailabilityWithServiceResponseAsync(locationName, parameters).map(new Func1<ServiceResponse<EntityNameAvailabilityCheckOutputInner>, EntityNameAvailabilityCheckOutputInner>() {
              @Override
              public EntityNameAvailabilityCheckOutputInner call(ServiceResponse<EntityNameAvailabilityCheckOutputInner> response) {
                  return response.body();
              }
          });
      }