import { Attachment, AttachmentFactoryOptions } from './attachment';
import { AttachmentType, kSerializeData } from '../../utils/constants';
export interface IAudioAttachmentPayload {
    id: number;
    owner_id: number;
    access_key?: string;
    is_hq?: number;
    lyrics_id?: number;
    album_id?: number;
    genre_id?: number;
    title?: string;
    artist?: string;
    duration?: number;
    date?: number;
    url?: string;
}
export type AudioAttachmentOptions = AttachmentFactoryOptions<IAudioAttachmentPayload>;
export declare class AudioAttachment extends Attachment<IAudioAttachmentPayload, AttachmentType.AUDIO | 'audio'> {
    /**
     * Constructor
     */
    constructor(options: AudioAttachmentOptions);
    /**
     * Load attachment payload
     */
    loadAttachmentPayload(): Promise<void>;
    /**
     * Checks whether audio is in high quality
     */
    get isHq(): boolean | undefined;
    /**
     * Returns the ID of the lyric
     */
    get lyricsId(): number | undefined;
    /**
     * Returns the ID of the album
     */
    get albumId(): number | undefined;
    /**
     * Returns the ID of the genre
     */
    get genreId(): number | undefined;
    /**
     * Returns the title
     */
    get title(): string | undefined;
    /**
     * Returns the artist
     */
    get artist(): string | undefined;
    /**
     * Returns the duration
     */
    get duration(): number | undefined;
    /**
     * Returns the date object when this audio was created
     */
    get createdAt(): number | undefined;
    /**
     * Returns the URL of the audio
     */
    get url(): string | undefined;
    /**
     * Returns the custom data
     */
    [kSerializeData](): object;
}