class PromiseRejectionEvent extends Eventimport { PromiseRejectionEvent } from "https://deno.land/x/netzo@v0.1.8/deno.d.ts"; ConstructorsnewPromiseRejectionEvent(type: string, eventInitDict?: PromiseRejectionEventInit)Propertiesreadonlypromise: Promise<any>readonlyreason: any