import { IOAuth2TokenManager } from './IOAuth2TokenManager.js';
import { ITokenInfo } from './ITokenInfo.js';
/**
 * OAuth 2 token manager using local file
 */
export declare class LocalFileTokenManager implements IOAuth2TokenManager {
    private tokenInfo;
    private filePath;
    constructor(clientId: string);
    clearTokenInfo(): Promise<void>;
    loadTokenInfo(): Promise<ITokenInfo>;
    saveTokenInfo(tokenInfo: ITokenInfo): Promise<void>;
}