export declare enum MqttConnectFlag {
    Clr = 2,
    Wil = 4,
    Ret = 32,
    Pass = 64,
    User = 128,
    QoS0 = 0,
    QoS1 = 8,
    QoS2 = 16
}
/**
 * @private
 */
export declare enum MqttMessageFlag {
    Ret = 1,
    Dup = 8,
    QoS0 = 0,
    QoS1 = 2,
    QoS2 = 4
}