docs: @BetaApi(
        "The surface for long-running operations is not stable yet and may change in the future.")
    public final OperationFuture<ImportDataOperationResponse, ImportDataOperationMetadata>
        importDataAsync(String name, InputConfig inputConfig) {
      DATASET_PATH_TEMPLATE.validate(name, "importData");
      ImportDataRequest request =
          ImportDataRequest.newBuilder().setName(name).setInputConfig(inputConfig).build();
      return importDataAsync(request);
    }