assertThat(headers.getDate("testDate")).isEqualTo(expected)
  }

  @Test fun setInstant() {
    val expected = Instant.ofEpochMilli(1000L)
    val headers =
      Headers
        .Builder()
        .add("Test-Instant", Instant.ofEpochMilli(0L))
        .set("Test-Instant", expected)
        .build()
    assertThat(headers["Test-Instant"]).isEqualTo("Thu, 01 Jan 1970 00:00:01 GMT")

      .toFormatter()

  private val offset = ZoneOffset.systemDefault()

  override fun format(record: LogRecord): String {
    val message = formatMessage(record)

    val time = Instant.ofEpochMilli(record.millis).atZone(offset)

    return if (record.thrown != null) {
      val sw = StringWriter(4096)
      val pw = PrintWriter(sw)
      record.thrown.printStackTrace(pw)

                .append(resource.getResourceName())
                .append(" (");
        format.format(message, contentLength);

        Duration duration =
                Duration.between(Instant.ofEpochMilli(resource.getTransferStartTime()), MonotonicClock.now());
        if ((duration.getSeconds() | duration.getNano()) > 0) { // duration.isPositive()

        sb.append("\n\n");

        for (int i = 0; i < displayCount; i++) {
            final LogNotificationEvent event = events.get(i);
            final String timestamp = TIMESTAMP_FORMATTER.format(Instant.ofEpochMilli(event.getTimestamp()));
            String message = event.getMessage();
            if (message != null && message.length() > maxMessageLength) {
                message = message.substring(0, maxMessageLength) + "...";