PublishedMessage
data class PublishedMessage(val topic: TopicName, val payload: Base64Blob, val qos: Int? = null, val retain: Boolean? = null, val contentType: String? = null, val messageExpiry: Long? = null, val responseTopic: String? = null, val correlationData: String? = null, val payloadFormatIndicator: String? = null, val userProperties: String? = null)(source)
A message recorded by FakeIotDataPlane. The header fields are kept in their raw wire form so tests can assert on exactly what was transmitted.