/** The key of the message: Number of Shards */
    public static final String LABELS_number_of_shards_for_doc = "{labels.number_of_shards_for_doc}";

    /** The key of the message: Auto-expand Replicas */
    public static final String LABELS_auto_expand_replicas_for_doc = "{labels.auto_expand_replicas_for_doc}";