internal MockAgentTimer(string dbgName = null, IApmLogger logger = null)
{
WhenStarted = new AgentTimeInstant(this, TimeSpan.Zero);
Now = WhenStarted;
_dbgName = dbgName ?? "#" + RuntimeHelpers.GetHashCode(this).ToString("X");
_logger = logger == null ? (IApmLogger) new NoopLogger() : LoggingExtensions.Scoped(logger, $"{ThisClassName}-{_dbgName}");
}