SubscriptionEndKind
type SubscriptionEndKind = "rejected" | "terminated" | "cancelled";Defined in: relay-sdks/ts/src/subscription.ts:98
The lifecycle name for how a subscription ended: rejected when the relay answered the request
with REQUEST_ERROR before accepting it (including the request timeout), terminated when an
accepted subscription can no longer deliver (the connection ended, or a REQUEST_ERROR arrived
after acceptance, which is how a refused update() is answered, issue #94) or when the connection
ended before any answer, and cancelled when the application cancelled it.