/** The key of the configuration. e.g. text/html */
    String CRAWLER_DOCUMENT_CACHE_HTML_MIMETYPES = "crawler.document.cache.html.mimetypes";

    /** The key of the configuration. e.g.  */
    String CRAWLER_DOCUMENT_MIMETYPE_EXTENSION_OVERRIDES = "crawler.document.mimetype.extension.overrides";

    /** The key of the configuration. e.g. true */