/**
 * @interface
 */
export class IExternalDecryptor {
    /**
     * @param {Uint8Array} data
     * @param {BufferSource} key
     * @param {BufferSource} iv
     * @returns {Promise.<Uint8Array>}
     */
    decrypt(data: Uint8Array, key: BufferSource, iv: BufferSource): Promise<Uint8Array>;
}
export class Decryptor {
    subtle: any;
    /**
     * @type {IExternalDecryptor}
     */
    externalDecryptor: IExternalDecryptor;
    destroy(): void;
    decrypt(video: any, audio: any): Promise<any[]>;
    _decryptSegment(seg: any): Promise<any>;
    _decryptData(data: any, key: any, iv: any): Promise<Uint8Array>;
}