/**
 * 抽象認証クライアント
 */
export declare abstract class AuthClient {
    abstract fetch(url: string, options: RequestInit, expectedStatusCodes: number[]): Promise<Response>;
    abstract getAccessToken(): Promise<string>;
}
/**
 * テスト認証クライアント
 */
export declare class StubAuthClient implements AuthClient {
    fetch(url: string, options: RequestInit, expectedStatusCodes: number[]): Promise<Response>;
    getAccessToken(): Promise<string>;
}