@J2ktIncompatible
  @GwtIncompatible // used only in GwtIncompatible tests
  private interface Merger {

    ListenableFuture<List<String>> merged(ListenableFuture<String> a, ListenableFuture<String> b);

    Merger allMerger =
        new Merger() {
          @Override
          public ListenableFuture<List<String>> merged(
              ListenableFuture<String> a, ListenableFuture<String> b) {

    public static final String ERRORS_document_not_found = "{errors.document_not_found}";

    /** The key of the message: Could not load from this server: {0} */
    public static final String ERRORS_not_load_from_server = "{errors.not_load_from_server}";

    /** The key of the message: Failed to start job {0}. */
    public static final String ERRORS_failed_to_start_job = "{errors.failed_to_start_job}";

  @J2ktIncompatible
  @GwtIncompatible // used only in GwtIncompatible tests
  private interface Merger {

    ListenableFuture<List<String>> merged(ListenableFuture<String> a, ListenableFuture<String> b);

    Merger allMerger =
        new Merger() {
          @Override
          public ListenableFuture<List<String>> merged(
              ListenableFuture<String> a, ListenableFuture<String> b) {

   * iterate over keys in their enum definition order, not encounter order.
   *
   * <p>If the mapped keys contain duplicates, the values are merged using the specified merging
   * function.
   *
   * @since 33.2.0 (available since 21.0 in guava-jre)
   */
  @SuppressWarnings({"AndroidJdkLibsChecker", "Java7ApiChecker"})

    public static final String LABELS_doc_score = "{labels.doc_score}";

    /** The key of the message: Running as Development mode. For production use, please install a standalone OpenSearch server. */
    public static final String LABELS_development_mode_warning = "{labels.development_mode_warning}";

    /** The key of the message: Your system is out of support. See EOL page. */