let postEvents = new models.EventStream<PostEvent>({
	name: 'post',
	channel: 'posts',
	filter: 'id == `123`',
});

let commentEvents = new models.EventStream<CommentEvent>({
	name: 'comment',
	channel: 'comments',
	filter: 'post_id == `123`',
	orderingKey: 'id',
});