| Class | Description | 
|---|---|
| MqttIO | 
 An unbounded source for MQTT broker. 
 | 
| MqttIO.ConnectionConfiguration | 
 A POJO describing a MQTT connection. 
 | 
| MqttIO.Read<T> | 
 A  
PTransform to read from a MQTT broker. | 
| MqttIO.Write<InputT> | 
 A  
PTransform to write and send a message to a MQTT server. | 
| MqttRecord | 
 A container class for MQTT message metadata, including the topic name and payload. 
 |