type StoreValue = string | number | boolean | null;
type StoreSubscriber = () => void;
/**
 * @deprecated Import singleton instance 'store' from '@grafana/data' instead
 */
export declare class Store {
    private subscribers;
    constructor();
    private notifySubscribers;
    subscribe(key: string, callback: StoreSubscriber): () => void;
    get(key: string): any;
    set(key: string, value: StoreValue): void;
    getBool(key: string, def: boolean): boolean;
    getObject<T = unknown>(key: string): T | undefined;
    getObject<T = unknown>(key: string, def: T): T;
    setObject(key: string, value: unknown): boolean;
    exists(key: string): boolean;
    delete(key: string): void;
}
export declare const store: Store;
export {};