export declare const isManifest: (data: File | string) => boolean;
export declare const isCss: (data: File | string) => boolean;
export declare const isCsv: (data: File | string) => boolean;
export declare const isHtml: (data: File | string) => boolean;
export declare const isTxt: (data: File | string) => boolean;
export declare const isRxt: (data: File | string) => boolean;
export declare const isRtf: (data: File | string) => boolean;
export declare const isSgml: (data: File | string) => boolean;
export declare const isTsv: (data: File | string) => boolean;
export declare const isRt: (data: File | string) => boolean;
export declare const isJad: (data: File | string) => boolean;
export declare const isWml: (data: File | string) => boolean;
export declare const isWmls: (data: File | string) => boolean;
export declare const isHtc: (data: File | string) => boolean;
export declare const isMrl: (data: File | string) => boolean;
export declare const isEtx: (data: File | string) => boolean;
export declare const isTalk: (data: File | string) => boolean;
export declare const isVcs: (data: File | string) => boolean;
export declare const isXml: (data: File | string) => boolean;
export declare const isVcf: (data: File | string) => boolean;