experimental endpoint.
    *   Promoting `tf.data.experimental.get_single_element` API to
        `tf.data.Dataset.get_single_element` and deprecating the experimental
        endpoint.
    *   Promoting `tf.data.experimental.group_by_window` API to
        `tf.data.Dataset.group_by_window` and deprecating the experimental
        endpoint.

- The endpointslice mirroring controller mirrors endpoints annotations and labels to the generated endpoint slices, it also ensures that updates on any of these fields on the endpoints are mirrored. 

    String getSearchEngineType();

    /**
     * Get the value for the key 'search_engine.http.url'. <br>
     * The value is, e.g. http://localhost:9201 <br>
     * comment: The URL of the search engine HTTP endpoint.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getSearchEngineHttpUrl();

    /**