import { BehaviorSubject, Observable, Subscription, Unsubscribable } from 'rxjs';
export declare class AbstractStore<T> extends Observable<T> implements Unsubscribable {
    protected readonly state$: BehaviorSubject<T>;
    protected constructor(initialState: T);
    getState(): T;
    unsubscribe(): void;
}
export declare class ReadonlyStore<T> extends AbstractStore<T> {
    protected readonly input$: Observable<T>;
    protected readonly subscription: Subscription;
    constructor(input$: Observable<T>, initialState: T);
    unsubscribe(): void;
}
export declare class Store<T, R = T> extends AbstractStore<R> {
    private readonly projector;
    constructor(initialState: T, projector?: (value: T) => R);
    setState(updater: (previous: R) => T): void;
}
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