import { SongResult } from '../utils/type';
export declare class SpotifyService {
    private accessToken;
    private clientId;
    private clientSecret;
    private refreshToken;
    constructor(clientId: string, clientSecret: string, refreshToken: string);
    private hasAccessToken;
    private setAccessToken;
    private getAccessToken;
    getCurrentSong(): Promise<SongResult>;
}