Publish a signaling message to a namespace.
Target namespace segments.
Signaling payload to deliver.
Unsubscribe a previously registered namespace handler.
Namespace segments used for message routing.
Handler reference originally passed to on.
Subscribe to signaling messages in a namespace.
Namespace segments used for message routing.
Callback invoked with message payload.
Transport contract used by Peer to exchange signaling messages.
Implementations are expected to route payloads by
namespaceand invoke subscribed handlers when matching messages arrive.