How to determine message type in version 5.2.4 and later

The legacy SDK (rongcloud_im_plugin) determines the message type like this:

switch (msg.objectName) {
 case "RC: CmdMsg":
 //...
 break;
 case "RC: TxtMsg":
 //...
 break;
}

The new SDK (rongcloud_im_wrapper_plugin) for Flutter IMLib 5.X introduces a messageType property for message type determination. See the code below:

switch (message.messageType) {
 case RCIMIWMessageType.text:
 //....
 break;
 case RCIMIWMessageType.voice:
 //....
 break;
 case RCIMIWMessageType.userCustom:
 //....
 break;
}