import type { StashInterface, StashListener, StashOptions, StashValue } from './types.js';
/**
 * Represents a Stash that allows storing and managing data.
 */
export declare class Stash implements StashInterface {
    #private;
    constructor(options: StashOptions);
    getItem<TData = unknown>(key: string): TData | null;
    setItem(key: string, value: unknown): void;
    removeItem(key: string): void;
    subscribe<TData = unknown>(listener: StashListener<StashValue<TData>>): () => void;
}