import type { SessionStore } from '../../contracts/SessionStore.js';
/**
 * In-memory session store for unit tests and stateless routes (per-session id map).
 */
export declare class NullStore implements SessionStore {
    private readonly payloads;
    /**
     * @inheritdoc
     */
    open(_savePath: string, _sessionName: string): Promise<void>;
    /**
     * @inheritdoc
     */
    close(): Promise<void>;
    /**
     * @inheritdoc
     */
    read(sessionId: string): Promise<string>;
    /**
     * @inheritdoc
     */
    write(sessionId: string, data: string): Promise<void>;
    /**
     * @inheritdoc
     */
    destroy(sessionId: string): Promise<void>;
    /**
     * @inheritdoc
     */
    gc(_maxLifetime: number): Promise<number>;
}
//# sourceMappingURL=NullStore.d.ts.map