export declare const isPdf: (data: File | string) => boolean; export declare const isCgi: (data: File | string) => boolean; export declare const isDoc: (data: File | string) => boolean; export declare const isDocs: (data: File | string) => boolean; export declare const isAbw: (data: File | string) => boolean; export declare const isArc: (data: File | string) => boolean; export declare const isAzw: (data: File | string) => boolean; export declare const isBin: (data: File | string) => boolean; export declare const isBz: (data: File | string) => boolean; export declare const isBz2: (data: File | string) => boolean; export declare const isCsh: (data: File | string) => boolean; export declare const isEot: (data: File | string) => boolean; export declare const isEpub: (data: File | string) => boolean; export declare const isGz: (data: File | string) => boolean; export declare const isJar: (data: File | string) => boolean; export declare const isJson: (data: File | string) => boolean; export declare const isJsonId: (data: File | string) => boolean; export declare const isMpkg: (data: File | string) => boolean; export declare const isOdp: (data: File | string) => boolean; export declare const isOds: (data: File | string) => boolean; export declare const isOdt: (data: File | string) => boolean; export declare const isOgx: (data: File | string) => boolean; export declare const isPhp: (data: File | string) => boolean; export declare const isPpt: (data: File | string) => boolean; export declare const isPptx: (data: File | string) => boolean; export declare const isRar: (data: File | string) => boolean; export declare const isSh: (data: File | string) => boolean; export declare const isSwf: (data: File | string) => boolean; export declare const isTar: (data: File | string) => boolean; export declare const isVsd: (data: File | string) => boolean; export declare const isXhtml: (data: File | string) => boolean; export declare const isXls: (data: File | string) => boolean; export declare const isXlsx: (data: File | string) => boolean; export declare const isXul: (data: File | string) => boolean; export declare const isZip: (data: File | string) => boolean; export declare const is7z: (data: File | string) => boolean; export declare const isJtd: (data: File | string) => boolean;