import { Context } from "https://dotland-vbqsvsrpfncg.deno-staging.dev/x/oak@v11.1.0/mod.ts?p=prototype.upgrade&s=Context";Take the current request and upgrade it to a web socket, resolving with
the a web standard WebSocket object. This will set .respond to
false. If the socket cannot be upgraded, this method will throw.
Parameters
optional
options: UpgradeWebSocketOptions[src]