code: public ServiceCall<TrainingExample> updateTrainingExample(UpdateTrainingExampleOptions updateTrainingExampleOptions) {
      Validator.notNull(updateTrainingExampleOptions, "updateTrainingExampleOptions cannot be null");
      String[] pathSegments = { "v1/environments", "collections", "training_data", "examples" };
      String[] pathParameters = { updateTrainingExampleOptions.environmentId(), updateTrainingExampleOptions
          .collectionId(), updateTrainingExampleOptions.queryId(), updateTrainingExampleOptions.exampleId() };
      RequestBuilder builder = RequestBuilder.put(RequestBuilder.constructHttpUrl(getEndPoint(), pathSegments,
          pathParameters));
      builder.query("version", versionDate);
      Map<String, String> sdkHeaders = SdkCommon.getSdkHeaders("discovery", "v1", "updateTrainingExample");
      for (Entry<String, String> header : sdkHeaders.entrySet()) {
        builder.header(header.getKey(), header.getValue());
      }
      builder.header("Accept", "application/json");
      final JsonObject contentJson = new JsonObject();
      if (updateTrainingExampleOptions.crossReference() != null) {
        contentJson.addProperty("cross_reference", updateTrainingExampleOptions.crossReference());
      }
      if (updateTrainingExampleOptions.relevance() != null) {
        contentJson.addProperty("relevance", updateTrainingExampleOptions.relevance());
      }
      builder.bodyJson(contentJson);
      return createServiceCall(builder.build(), ResponseConverterUtils.getObject(TrainingExample.class));
    }
docs: Change label or cross reference for example.
  
  Changes the label or cross reference query for this training data example.
  
  @param updateTrainingExampleOptions the {@link UpdateTrainingExampleOptions} containing the options for the call
  @return a {@link ServiceCall} with a response type of {@link TrainingExample}