import * as plugins from '../plugins.js';
import type { IStorageManager, IStorageListPageOptions, IStorageListPageResult } from '@push.rocks/smartmta';
export declare class SmartMtaStorageManager implements IStorageManager {
    private readonly collection;
    constructor(smartdataDb: plugins.smartdata.SmartdataDb);
    private validateDocument;
    get(key: string): Promise<string | null>;
    set(key: string, value: string): Promise<void>;
    list(prefix: string): Promise<string[]>;
    /**
     * Bounded, deletion-stable page listing: seeks strictly beyond the last
     * returned key, so tokens stay valid while pages are deleted and an
     * otherwise stable prefix is always exhausted.
     */
    listPage(prefix: string, options: IStorageListPageOptions): Promise<IStorageListPageResult>;
    delete(key: string): Promise<void>;
}