code: public com.google.cloud.datalabeling.v1beta1.LabelTextClassificationOperationMetadataOrBuilder
        getTextClassificationDetailsOrBuilder() {
      if (detailsCase_ == 9) {
        return (com.google.cloud.datalabeling.v1beta1.LabelTextClassificationOperationMetadata)
            details_;
      }
      return com.google.cloud.datalabeling.v1beta1.LabelTextClassificationOperationMetadata
          .getDefaultInstance();
    }
docs: <code>
  .google.cloud.datalabeling.v1beta1.LabelTextClassificationOperationMetadata text_classification_details = 9;
  </code>