private static boolean hasLineBreakBetweenKeyAndValue(@NotNull YAMLKeyValue keyValue, @NotNull PsiElement keySibling) {
    if (keySibling.getParent() != keyValue) {
      return false; //assert?
    }
    PsiElement key = keyValue.getKey();
    for (PsiElement prev = keySibling.getPrevSibling(); prev != null && prev != key; prev = prev.getPrevSibling()) {
      if (prev.getNode().getElementType() == YAMLTokenTypes.EOL) {
        return true;
      }
    }
    return false;
  }
private static boolean hasLineBreakBetweenKeyAndValue(@NotNull YAMLKeyValue keyValue, @NotNull PsiElement keySibling)