class MessageEvent extends Eventimport { MessageEvent } from "https://deno.land/x/netzo@v0.1.10/deno.d.ts"; ConstructorsnewMessageEvent(type: string, eventInitDict?: MessageEventInit)Type ParametersoptionalT = anyPropertiesreadonlydata: TReturns the data of the message. readonlylastEventId: stringReturns the last event ID string, for server-sent events. readonlyports: ReadonlyArray<MessagePort>Returns transferred ports.