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javascript - How to cancel a subscription in Angular2

How does one cancel a subscription in Angular2? RxJS seems to have a dispose method, but I can't figure out how to access it. So I have code that has access to an EventEmitter and subscribes to it, like this:

var mySubscription = someEventEmitter.subscribe(
    (val) => {
        console.log('Received:', val);
    },
    (err) => {
        console.log('Received error:', err);
    },
    () => {
        console.log('Completed');
    }
);

How can I use mySubscription to cancel the subscription?

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Are you looking to unsubscribe?

mySubscription.unsubscribe();

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