import { type UpgradeWebSocketFn } from "https://deno.land/x/oak@v12.0.1/types.d.ts";
definition: (request: Request, options?: UpgradeWebSocketOptions) => WebSocketUpgrade
import { type UpgradeWebSocketFn } from "https://deno.land/x/oak@v12.0.1/types.d.ts";