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@downpourdigital/dispatcher

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import type { Observer } from './Subscription'; import Subscription from './Subscription'; import PassiveSubscription, { PassiveObserver } from './PassiveSubscription'; export default class Subscribable<PayloadType> { protected listeners: Subscription<PayloadType>[]; subscribe(observer: Observer<PayloadType>): Subscription<PayloadType>; subscribePassive(observer: PassiveObserver<PayloadType>): PassiveSubscription<PayloadType>; unsubscribe(subscription: Subscription<PayloadType>): void; }