Optional ReadonlycacheManifests seen before, listed at once while the relays are asked for newer ones.
Optional ReadonlyemitHow often the stream emits at most; CATALOG_EMIT_MS by default.
Optional ReadonlylimitPer-relay manifest limit; CATALOG_LIMIT by default.
Optional ReadonlypublishersOnly manifests from these publishers.
Optional ReadonlysettleWhen an empty list is emitted if nothing has arrived; CATALOG_SETTLE_MS by default.
Optional ReadonlystoreWhere manifests from the relays are kept, so the event cache holds them for the next visit.
Optional ReadonlytimeoutThe outer bound on a relay that never finishes; CATALOG_TIMEOUT_MS by default.
Options for loadCatalog.