Values.RetainedMessageSummarySourceInformation about a single retained message.
type nonrec t = {topic : Topic.t option;The topic name to which the retained message was published.
*)payloadSize : PayloadSize.t option;The size of the retained message's payload in bytes.
*)qos : Qos.t option;The quality of service (QoS) level used to publish the retained message.
*)lastModifiedTime : Timestamp.t option;The Epoch date and time, in milliseconds, when the retained message was stored by IoT.
*)}val to_value :
t ->
[> `Structure of
(string
* [> `Integer of Qos.t | `Long of PayloadSize.t | `String of Topic.t ])
list ]