OptionalconnectAbsolute POST path used to open the inbound text/event-stream response.
OptionalfetchFetch implementation; defaults to globalThis.fetch.
OptionalmaxMaximum UTF-8 bytes accepted in one SSE event.
OptionalmessageAbsolute path template containing one {id} for outbound messages.
OptionalrequestExtra Fetch options applied without overriding A11 method/body fields.
OptionalstreamWire-level buffering, timeout, and message-size limits.
HTTP endpoints and resource bounds for an SSE client stream.