Returns a new subscription that unsubscribes using this, and executes an action.
Returns a new subscription that unsubscribes using this, and executes an action.
Stops event propagation on the corresponding event stream.
Stops event propagation on the corresponding event stream.
A mutable collection of subscriptions, which is itself a subscription.
When unsubscribed from, all containing subscriptions are unsubscribed. Subsequently added subscriptions are automatically unsubscribed.