cq.matchAll();
            if (!idList.isEmpty()) {
                cf.not(subCf -> subCf.setCrawlingInfoId_InScope(idList));
            }
        }));
        crawlingInfoBhv.queryDelete(cb2 -> cb2.query().filtered((cq, cf) -> {
            cq.matchAll();
            if (!idList.isEmpty()) {
                cf.not(subCf -> subCf.setId_InScope(idList));

   * b ---- a ---- d
   * |      |
   * |      |
   * e ---- c ---- f
   * }
   */
  private static final SuccessorsFunction<Character> JAVADOC_GRAPH =
      createUndirectedGraph("ba", "ad", "be", "ac", "ec", "cf");

  /**
   * A diamond shaped directed graph (arrows going down):
   *
   * {@snippet :
   *   a
   *  / \
   * b   c
   *  \ /
   *   d
   * }
   */