@Internal
  public static @Nullable PsiElement targetElementFromLookupElement(@Nullable LookupElement item) {
    if (item != null && item.isValid()) {
      final PsiElement psi = CompletionUtil.getTargetElement(item);
      if (psi != null && psi.isValid()) {
        return psi;
      }
    }
    return null;
  }
@Internal
  public static @Nullable PsiElement targetElementFromLookupElement(@Nullable LookupElement item)