interface trackDownloadData {
    track_id: number;
    duration: number;
    url: string;
    format_id: number;
    mime_type: string;
    sampling_rate: number;
    bit_depth: number;
    file_size: number;
}
export declare class QobuzError extends Error {
    constructor(code: number, message: string);
}
export declare class InvalidSecret extends QobuzError {
    constructor(message: string);
}
export declare const qobuzInstance: import("axios").AxiosInstance;
export declare const qobuzLogin: (email: string, password: string, app_id: number) => Promise<string>;
export declare const initQobuzApi: (token: string, app_id: number, secrets: string[]) => Promise<void>;
/**
 * Make POST requests to Qobuz API
 * @param {Object} body post body
 * @param {String} method request method
 */
export declare const qobuzRequest: (method: string, params: object) => Promise<any>;
/**
 * @param track Track info json returned from `getTrackInfo`
 * @param quality 5 = MP3 320 kbps, 6 = 16-bit 44.1 kHz, 7 = 24-bit 96 kHz and 27 = 24-bit 192 kHz
 */
export declare const getTrackDownloadUrl: (track_id: number, quality: number, sec?: string | null) => Promise<trackDownloadData | null>;
export {};