f
		    Deno.upgradeWebSocket
	      
    Upgrade an incoming HTTP request to a WebSocket.
I
		    Deno.UpgradeWebSocketOptions
	      
    Options which can be set when performing a
Deno.upgradeWebSocket upgrade of a Request
I
		    Deno.WebSocketUpgrade
	      
    The object that is returned from a Deno.upgradeWebSocket
request.