private boolean prepareLastPartsForBranches() {
    boolean hasUndoneBranches = false;
    for (BekBranch bekBranch : myBekBranches) {
      if (!bekBranch.isDone()) {
        hasUndoneBranches = true;
        if (bekBranch.getPrepareForInsertPart() == null) {
          bekBranch.updatePrepareForInsertPart(myTimestampGetter, myEdgeRestrictions);
        }
      }
    }
    return hasUndoneBranches;
  }
private boolean prepareLastPartsForBranches()