birbmap/Birdmap.API/Services/IMqttClientService.cs

using Microsoft.Extensions.Hosting;
using MQTTnet.Client.Connecting;
using MQTTnet.Client.Disconnecting;
using MQTTnet.Client.Receiving;

namespace Birdmap.API.Services
{
    public interface IMqttClientService : IHostedService,
                                          IMqttClientConnectedHandler,
                                          IMqttClientDisconnectedHandler,
                                          IMqttApplicationMessageReceivedHandler
    {
        public bool IsConnected { get; }
    }
}