using System; namespace MQTTnet.Server { public class MqttServerClientSubscribedTopicEventArgs : EventArgs { public MqttServerClientSubscribedTopicEventArgs(string clientId, MqttTopicFilter topicFilter) { ClientId = clientId ?? throw new ArgumentNullException(nameof(clientId)); TopicFilter = topicFilter ?? throw new ArgumentNullException(nameof(topicFilter)); } public string ClientId { get; } public MqttTopicFilter TopicFilter { get; } } }