import type { StorageFactory, StorageLike } from '../types';
export declare class NodeStorage implements StorageLike {
    private dataDirectory;
    private initialized;
    constructor(dataDirectory: string);
    private init;
    private getPath;
    clear(): Promise<void>;
    getItem(key: string): Promise<string | null>;
    setItem(key: string, data: string): Promise<void>;
    removeItem(key: string): Promise<void>;
}
export declare const createStorage: StorageFactory;