interface dom.MessageChannelimport { type dom } from "https://deno.land/x/evt@v2.4.22/lib/types/index.ts"; const { MessageChannel } = dom; This Channel Messaging API interface allows us to create a new message channel and send data through it via its two MessagePort properties. Propertiesreadonlyport1: MessagePortReturns the first MessagePort object. readonlyport2: MessagePortReturns the second MessagePort object.