type TFileType = 'js' | 'css' | 'binary' | 'video' | 'audio' | 'image' | 'font' | 'data';
declare const EXT_MAP: Record<string, TFileType>;
export declare function extname(url: string): keyof typeof EXT_MAP | '';
export declare function fileType(url: string): TFileType | undefined;
export declare function fileName(url: string): string;
export {};