interface dom.ServiceWorkerMessageEventInit implements EventInitimport { type dom } from "https://deno.land/x/evt@v2.3.1/lib/types/index.ts"; const { ServiceWorkerMessageEventInit } = dom; Propertiesoptionaldata: anyoptionallastEventId: stringoptionalorigin: stringoptionalports: MessagePort[] | nulloptionalsource: ServiceWorker | MessagePort | null