/** The key of the configuration. e.g. boost */
    String INDEX_ADMIN_FLOAT_FIELDS = "index.admin.float.fields";

    /** The key of the configuration. e.g.  */
    String INDEX_ADMIN_DOUBLE_FIELDS = "index.admin.double.fields";

    /** The key of the configuration. e.g. url,title,role,boost */
    String INDEX_ADMIN_REQUIRED_FIELDS = "index.admin.required.fields";