using System; namespace MQTTnet.Diagnostics { public static class MqttNetGlobalLogger { public static event EventHandler LogMessagePublished; public static bool HasListeners => LogMessagePublished != null; public static void Publish(MqttNetLogMessage logMessage) { if (logMessage == null) throw new ArgumentNullException(nameof(logMessage)); LogMessagePublished?.Invoke(null, new MqttNetLogMessagePublishedEventArgs(logMessage)); } } }