private static void nanoToString(long start, @NotNull StringBuilder builder) {
    //noinspection NonAsciiCharacters
    builder
      .append(TimeUnit.NANOSECONDS.toMillis(start - StartUpMeasurer.getStartTime())).append("ms (")
      .append(TimeUnit.NANOSECONDS.toMicros(start - StartUpMeasurer.getStartTime())).append("μs)");
  }

private static void nanoToString(long start, @NotNull StringBuilder builder)