import { GenericFile } from './generic-file.js';
export declare class Audio extends GenericFile {
    static mimeTypes: string[];
    static extensions: string[];
    /**
     * We're not currently generating content for audio files; only metadata.
     */
    getContent(): Promise<undefined>;
    getMetadata(): Promise<{
        format: import("music-metadata").IFormat;
        tags: import("music-metadata/lib/type.js").INativeTags;
        track: {
            no: number | null;
            of: number | null;
        };
        disk: {
            no: number | null;
            of: number | null;
        };
        year?: number;
        title?: string;
        artist?: string;
        artists?: string[];
        albumartist?: string;
        album?: string;
        date?: string;
        originaldate?: string;
        originalyear?: number;
        releasedate?: string;
        comment?: string[];
        genre?: string[];
        picture?: import("music-metadata").IPicture[];
        composer?: string[];
        lyrics?: string[];
        albumsort?: string;
        titlesort?: string;
        work?: string;
        artistsort?: string;
        albumartistsort?: string;
        composersort?: string;
        lyricist?: string[];
        writer?: string[];
        conductor?: string[];
        remixer?: string[];
        arranger?: string[];
        engineer?: string[];
        producer?: string[];
        djmixer?: string[];
        mixer?: string[];
        technician?: string[];
        label?: string[];
        grouping?: string;
        subtitle?: string[];
        description?: string[];
        longDescription?: string;
        discsubtitle?: string[];
        totaltracks?: string;
        totaldiscs?: string;
        movementTotal?: number;
        compilation?: boolean;
        rating?: import("music-metadata/lib/type.js").IRating[];
        bpm?: number;
        mood?: string;
        media?: string;
        catalognumber?: string[];
        tvShow?: string;
        tvShowSort?: string;
        tvSeason?: number;
        tvEpisode?: number;
        tvEpisodeId?: string;
        tvNetwork?: string;
        podcast?: boolean;
        podcasturl?: string;
        releasestatus?: string;
        releasetype?: string[];
        releasecountry?: string;
        script?: string;
        language?: string;
        copyright?: string;
        license?: string;
        encodedby?: string;
        encodersettings?: string;
        gapless?: boolean;
        barcode?: string;
        isrc?: string[];
        asin?: string;
        musicbrainz_recordingid?: string;
        musicbrainz_trackid?: string;
        musicbrainz_albumid?: string;
        musicbrainz_artistid?: string[];
        musicbrainz_albumartistid?: string[];
        musicbrainz_releasegroupid?: string;
        musicbrainz_workid?: string;
        musicbrainz_trmid?: string;
        musicbrainz_discid?: string;
        acoustid_id?: string;
        acoustid_fingerprint?: string;
        musicip_puid?: string;
        musicip_fingerprint?: string;
        website?: string;
        'performer:instrument'?: string[];
        averageLevel?: number;
        peakLevel?: number;
        notes?: string[];
        originalalbum?: string;
        originalartist?: string;
        discogs_artist_id?: number[];
        discogs_release_id?: number;
        discogs_label_id?: number;
        discogs_master_release_id?: number;
        discogs_votes?: number;
        discogs_rating?: number;
        replaygain_track_gain_ratio?: number;
        replaygain_track_peak_ratio?: number;
        replaygain_track_gain?: import("music-metadata").IRatio;
        replaygain_track_peak?: import("music-metadata").IRatio;
        replaygain_album_gain?: import("music-metadata").IRatio;
        replaygain_album_peak?: import("music-metadata").IRatio;
        replaygain_undo?: {
            leftChannel: number;
            rightChannel: number;
        };
        replaygain_track_minmax?: number[];
        key?: string;
        category?: string[];
        hdVideo?: number;
        keywords?: string[];
        movement?: string;
        movementIndex: {
            no?: number;
            of?: number;
        };
        podcastId?: string;
        showMovement?: boolean;
        stik?: number;
    }>;
}
//# sourceMappingURL=audio.d.ts.map