withMessageIdentifier method
Sets the message identifier on the subscribe message.
Implementation
MqttSubscribeAckMessage withMessageIdentifier(int messageIdentifier) {
  variableHeader!.messageIdentifier = messageIdentifier;
  return this;
}Sets the message identifier on the subscribe message.
MqttSubscribeAckMessage withMessageIdentifier(int messageIdentifier) {
  variableHeader!.messageIdentifier = messageIdentifier;
  return this;
}