code: public ServiceFuture<LabelExampleResponse> addAsync(UUID appId, String versionId, ExampleLabelObject exampleLabelObject, final ServiceCallback<LabelExampleResponse> serviceCallback) {
          return ServiceFuture.fromResponse(addWithServiceResponseAsync(appId, versionId, exampleLabelObject), serviceCallback);
      }
docs: Adds a labeled example to the application.
  
  @param appId The application ID.
  @param versionId The version ID.
  @param exampleLabelObject An example label with the expected intent and entities.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object