public static @NotNull LookupElementBuilder create(@NotNull Object lookupObject, @NotNull String lookupString) {
    if (lookupObject instanceof PsiElement) {
      PsiUtilCore.ensureValid((PsiElement)lookupObject);
    }
    return new LookupElementBuilder(lookupString, lookupObject);
  }
public static @NotNull LookupElementBuilder create(@NotNull Object lookupObject, @NotNull String lookupString)