// import Foundation
// import Logging
// import Models
// import NIO
// import PsychrometricClient
//
// public struct Client {
//
//   /// Add the publish listeners to the MQTT Broker, to be notified of published changes.
//   public var addListeners: () -> Void
//
//   /// Connect to the MQTT Broker.
//   public var connect: () -> EventLoopFuture<Void>
//
//   public var publishSensor: (SensorPublishRequest) -> EventLoopFuture<Void>
//
//   /// Subscribe to appropriate topics / events.
//   public var subscribe: () -> EventLoopFuture<Void>
//
//   /// Disconnect and close the connection to the MQTT Broker.
//   public var shutdown: () -> EventLoopFuture<Void>
//
//   public init(
//     addListeners: @escaping () -> Void,
//     connect: @escaping () -> EventLoopFuture<Void>,
//     publishSensor: @escaping (SensorPublishRequest) -> EventLoopFuture<Void>,
//     shutdown: @escaping () -> EventLoopFuture<Void>,
//     subscribe: @escaping () -> EventLoopFuture<Void>
//   ) {
//     self.addListeners = addListeners
//     self.connect = connect
//     self.publishSensor = publishSensor
//     self.shutdown = shutdown
//     self.subscribe = subscribe
//   }
//
//   public enum SensorPublishRequest {
//     case mixed(State.Sensors.TemperatureHumiditySensor<State.Sensors.MixedAir>)
//     case postCoil(State.Sensors.TemperatureHumiditySensor<State.Sensors.PostCoil>)
//     case `return`(State.Sensors.TemperatureHumiditySensor<State.Sensors.Return>)
//     case supply(State.Sensors.TemperatureHumiditySensor<State.Sensors.Supply>)
//   }
// }