DefinitelyTyped/types/gae.channel.api/gae.channel.api-tests.ts

function test_channel() {
	var channel = new goog.appengine.Channel("test");
	var socket = channel.open();

	socket.onopen = () => {
		console.log("onopen");
	};
	socket.onmessage = (message) => {
		console.log("onmessage", message.data);
	};
	socket.onclose = ()=> {
		console.log("onclose");
	}
	socket.close();
}