SSEEvent
represents an event on a Server-Sent Events stream.
Handlers receive one of these for each lifecycle event:
Connect: the stream was openedTick:App.sse-tick-intervalseconds passed since the last pushClose: the peer went away; anything queued in response is discarded
delete
instantiate
(Fn [SSEEvent] ())
deletes a SSEEvent. This should usually not be called manually.