The entrypoint for all actions that relate presence of other peers known by the current peer, either directly or through other peers.
You don’t create one directly but can access it from a particular
instance via its
Returns the current presence graph capturing all known peers and connections between them.
Request information about Ditto peers in range of this device.
This method returns an observer which should be held as long as updates are required. A newly registered observer will have a peers update delivered to it immediately. From then on it will be invoked repeatedly when Ditto devices come and go, or the active connections to them change.