public async Task StopAsync(CancellationToken cancellationToken = new CancellationToken())
{
_diagnostics.RegisterLapTime("Host stopping");
await _host.StopAsync(cancellationToken);
_diagnostics.RegisterLapTime("Host stopped");
AddTimetableSection();
var builder = new StringBuilder();
builder.AppendLine();
builder.AppendLine("SHUTDOWN DIAGNOSTICS");
builder.AppendLine();
AppendDiagnosticsSections(builder, new [] { _diagnostics.Get(TimetableSectionKey) });
_logger.LogDebug($"{builder}");
}
