private static YAMLKeyValue findPrecedingKeyValueWithNoValue(PsiElement element) {
      PsiElement prev = PsiUtilCore.getElementType(element) == YAMLTokenTypes.INDENT ? element.getPrevSibling() : element;
      prev = PsiTreeUtil.skipWhitespacesAndCommentsBackward(prev);
      if (prev instanceof YAMLKeyValue keyValue && (keyValue).getValue() == null) {
        return keyValue;
      }
      return null;
    }
private static YAMLKeyValue findPrecedingKeyValueWithNoValue(PsiElement element)