interface Track {
    id: string;
    albumId: string;
}
export declare class Difference {
    /**
     * Adding an insertion operation.
     * @param {null} at Index to insert.
     * @param {Array<Track>} tracks An object with unique track IDs and .
     * @returns JSON stringify operation
     */
    static insert(at: number, tracks: Array<Track>): string;
    /**
     * The range for deleting tracks is passed.
     * @param {null} from From which index.
     * @param {null} to By what index.
     * @returns JSON stringify operation
     */
    static delete(from: number, to: number): string;
}
export {};
//# sourceMappingURL=diff.playlist.d.ts.map