export declare enum IllustrationAndOtherContentType {
    UnspecifiedSeeDescription,
    IllustrationsBlackAndWhite,
    IllustrationsColor,
    HalftonesBlackAndWhite,
    HalftonesColor,
    LineDrawingsBlackAndWhite,
    LineDrawingsColor,
    TablesBlackAndWhite,
    TablesColor,
    IllustrationsUnspecified,
    HalftonesUnspecified,
    TablesUnspecified,
    LineDrawingsUnspecified,
    HalftonesDuotone,
    Maps,
    Frontispiece,
    Diagrams,
    Figures,
    Charts,
    RecordedMusicItems,
    PrintedMusicItems,
    Graphs,
    PlatesUnspecified,
    PlatesBlackAndWhite,
    PlatesColor,
    Index,
    Bibliography,
    InsetMaps,
    GpsGrids,
    Glossary,
    TableOfContents,
    Gazetteer
}