import { PartialObserver, Subscribable, Unsubscribable } from "rxjs";
export declare type Subscriber<T> = ((value: T) => void) | PartialObserver<T>;
export declare class SubscriptionManager {
    subscriptions: Unsubscribable[];
    subscribe: <T>(obs$: Subscribable<T>, callback?: import("rxjs").NextObserver<T> | import("rxjs").ErrorObserver<T> | import("rxjs").CompletionObserver<T> | ((value: T) => void) | undefined) => Unsubscribable;
    subscribeAsync: <T>(obs$: Subscribable<T>, callback?: import("rxjs").NextObserver<T> | import("rxjs").ErrorObserver<T> | import("rxjs").CompletionObserver<T> | ((value: T) => void) | undefined) => Unsubscribable;
    unsubscribe(sub: Unsubscribable): void;
    destroy(): void;
}