Optionalnotice: Record<string, any>
kind (established, presented, revoked or
reauthenticated), session, and what the act knows (the request,
byAdmin, expired, the reason)
{ uri, payload, subject, row }, or null when nothing is to be
sent
Records a session change in the register and answers the event that ought to go out, if any;
ssf.tsinstalls it as the session observer and sends what it returns.The register is updated even when nothing will be sent.