// Prefix when adding error code as a note in Diagnostic.
constexpr char kErrorCodePrefix[] = "Error code: ";

// Adds error code to a newly created InFlightDiagnostic.
inline InFlightDiagnostic AttachErrorCode(InFlightDiagnostic &&diag,
                                          int error_code) {
  using tflite::metrics::ConverterErrorData;
  diag.attachNote() << kErrorCodePrefix
                    << ConverterErrorData::ErrorCode_Name(error_code);

          }

          for (const auto &note : diag.getNotes()) {
            const std::string note_str = note.str();
            if (absl::StartsWith(note_str, kErrorCodePrefix)) {
              error_code = note_str.substr(sizeof(kErrorCodePrefix) - 1);
            }

            error_message += "\n";
            if (note_str.size() <= kMaxAcceptedNoteSize) {
              error_message += note_str;
            } else {