export type MqttManagerOption = {
	host : string,
	clientId : string,
	userName : string,
	password : string,
	cleanSession ?: boolean, // false 创建可持续会话，前提是clientId一直保持不变，
	automaticReconnect ?: boolean,
	heartBeat ?: Int,
	timeOut ?: Int
}


type callbackType = (res : UTSJSONObject) => void

export function connect(option : MqttManagerOption, callback : callbackType) : void

export function subscribe(topic : string, qos : Int, callback : callbackType) : void

export function unSubscribe(topic : string, callback : callbackType) : void

export function publishMessage(topic : string, qos : Int, message : string, callback : callbackType) : void

export function disConnect(callback : callbackType) : void

export function onConnectLost(callback : callbackType) : void

export function onReconnect(callback : callbackType) : void

export function getConfig() : UTSJSONObject