Per-event payload types, keyed by outbound event name — what client.on()
narrows envelopes with (0.30.0). Type-only; extending the base Record keeps
indexing valid for every OutboundType, so an event added to the vocabulary
before it gets a dedicated payload type simply reads as unknown.
Per-event payload types, keyed by outbound event name — what
client.on()narrows envelopes with (0.30.0). Type-only; extending the base Record keeps indexing valid for every OutboundType, so an event added to the vocabulary before it gets a dedicated payload type simply reads asunknown.