mqtt/Mqtt/MQTTnet-master/Source/MQTTnet/Server/IMqttServerUnsubscriptionInterceptor.cs

using System.Threading.Tasks;

namespace MQTTnet.Server
{
    public interface IMqttServerUnsubscriptionInterceptor
    {
        Task InterceptUnsubscriptionAsync(MqttUnsubscriptionInterceptorContext context);
    }
}