我看server端已经支持MQTT5了

我看到如下代码，是否android和ios端都支持mqtt 5的通信？


```java

/**
 * Mqtt version specific constant values used by multiple classes in mqtt-codec.
 */
public enum MqttVersion {
    MQTT_3_1("MQIsdp", (byte) 3),
    MQTT_3_1_1("MQTT", (byte) 4),
    MQTT_5("MQTT", (byte) 5),
    Wildfire_2("MQTT", (byte) 6),
    Wildfire_Future("MQTT", (byte) 7);


```