/** The key of the configuration. e.g. 1000 */
    String PAGE_USER_MAX_FETCH_SIZE = "page.user.max.fetch.size";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_ROLE_MAX_FETCH_SIZE = "page.role.max.fetch.size";

    /** The key of the configuration. e.g. 1000 */
    String PAGE_GROUP_MAX_FETCH_SIZE = "page.group.max.fetch.size";