/// <reference types="node" />
import Librespot from './index.js';
import PlayPlayLicenseRequest from './messages/PlayPlayLicenseRequest.js';
import PlayPlayLicenseResponse from './messages/PlayPlayLicenseResponse.js';
export interface Unplayplay {
    deobfuscateKey(fileId: Buffer, obfuscatedKey: Buffer): Buffer;
    token: Uint8Array;
}
export default class PlayPlayClient {
    #private;
    init: boolean;
    licenseRequest: PlayPlayLicenseRequest;
    licenseResponse: PlayPlayLicenseResponse;
    constructor(librespot: Librespot, unplayplay?: Unplayplay);
    getAudioKey(fileId: string, contentType: number): Promise<Buffer>;
    call(fileId: string, params: object): Promise<any>;
}