import { BehaviorSubject } from 'rxjs';
import { IStore } from './IStore';
export declare class ValueStore<Value> implements IStore<Value> {
    state$: BehaviorSubject<Value>;
    get state(): Value;
    constructor(value: Value);
    setState(value: Value): void;
    /**
     * This callback is called when the first subscriber subscribes to this store.
     * It may be called multiple times during the lifetime of the store.
     * You can use it to perform side-effects like subscribing to other
     * observables.
     */
    onSubscribe(): void;
    /**
     * This callback is called when the last subscriber unsubscribes from this store.
     * It may be called multiple times during the lifetime of the store.
     * You can use it to cleanup side-effects created during onSubscribe.
     */
    onUnsubscribe(): void;
}