private static void addAttributeValue(@NotNull CompletionResultSet result, String id, boolean alreadyQuoted) {
        if (!alreadyQuoted && !StringUtil.isJavaIdentifier(id)) {
          result.addElement(LookupElementBuilder.create('"' + id + '"').withLookupStrings(List.of(id)));
        }
        else {
          result.addElement(LookupElementBuilder.create(id));
        }
      }
private static void addAttributeValue(@NotNull CompletionResultSet result, String id, boolean alreadyQuoted)