Fess also contains a Crawler, which can crawl documents on a [web server](https://fess.codelibs.org/15.3/admin/webconfig-guide.html), [file system](https://fess.codelibs.org/15.3/admin/fileconfig-guide.html), or [Data Store](https://fess.codelibs.org/15.3/admin/dataconfig-guide.html) (such as a CSV or database). Many file formats are supported including (but not limited...

    /** The key of the configuration. e.g. mapping */
    String ONLINE_HELP_NAME_DICT_MAPPING = "online.help.name.dict.mapping";

    /** The key of the configuration. e.g. webconfig */
    String ONLINE_HELP_NAME_WEBCONFIG = "online.help.name.webconfig";

    /** The key of the configuration. e.g. searchlist */
    String ONLINE_HELP_NAME_SEARCHLIST = "online.help.name.searchlist";