Values.MessageSignalSourceThe decoding information for a specific message which support higher order data types.
type nonrec t = {topicName : TopicName.t;The topic name for the message signal. It corresponds to topics in ROS 2.
*)structuredMessage : StructuredMessage.t;The structured message for the message signal. It can be defined with either a primitiveMessageDefinition, structuredMessageListDefinition, or structuredMessageDefinition recursively.
*)}