import type { KeytarLike, SecretsStore } from './index.js';
/**
 * SecretsStore backed by the OS keychain via the `keytar` npm package.
 *
 * The keytar module is injected (rather than imported here) so:
 *   - The native dependency is loaded lazily by `createSecretsStore` and
 *     unavailable platforms fall through cleanly to the file store.
 *   - Unit tests can stub the entire keytar surface.
 */
export declare class KeytarSecretsStore implements SecretsStore {
    private readonly service;
    private readonly keytar;
    constructor(service: string, keytar: KeytarLike);
    set(account: string, value: string): Promise<void>;
    get(account: string): Promise<string | null>;
    delete(account: string): Promise<boolean>;
    list(): Promise<string[]>;
}