void deleteRule() {
      CommentTracker tracker = new CommentTracker();
      PsiTreeUtil.processElements(myRuleToDelete.myFirstLabel, child -> {
        if (isRedundantComment(myCommentsToMergeWith, child)) {
          tracker.markUnchanged(child);
        }
        return true;
      });

      tracker.deleteAndRestoreComments(myRuleToDelete.myFirstLabel);
    }
void deleteRule()