void deleteRedundantComments() {
      List<PsiElement> redundantComments = new ArrayList<>();
      for (PsiElement element = myLabelToMergeWith.getNextSibling();
           element != null && element != myNextFromLabelToMergeWith;
           element = element.getNextSibling()) {
        PsiTreeUtil.processElements(element, child -> {
          if (isRedundantComment(myCommentsToMergeWith, child)) {
            redundantComments.add(child);
          }
          return true;
        });
      }
      redundantComments.forEach(PsiElement::delete);
    }
void deleteRedundantComments()