String INDEX_REINDEX_REFRESH = "index.reindex.refresh";

    /** The key of the configuration. e.g. 1m */
    String INDEX_REINDEX_TIMEOUT = "index.reindex.timeout";

    /** The key of the configuration. e.g. 5m */
    String INDEX_REINDEX_SCROLL = "index.reindex.scroll";

    /** The key of the configuration. e.g.  */
    String INDEX_REINDEX_max_docs = "index.reindex.max_docs";