code: public Observable<OperationStatus> updateEntityAsync(UUID appId, String versionId, UUID entityId, UpdateEntityOptionalParameter updateEntityOptionalParameter) {
          return updateEntityWithServiceResponseAsync(appId, versionId, entityId, updateEntityOptionalParameter).map(new Func1<ServiceResponse<OperationStatus>, OperationStatus>() {
              @Override
              public OperationStatus call(ServiceResponse<OperationStatus> response) {
                  return response.body();
              }
          });
      }
docs: Updates the name of an entity extractor.
  
  @param appId The application ID.
  @param versionId The version ID.
  @param entityId The entity extractor ID.
  @param updateEntityOptionalParameter the object representing the optional parameters to be set before calling this API
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the OperationStatus object