export declare function isImageUrl(url: string): boolean;
export declare function isImageFile(options: {
    isImage?: boolean;
    file?: File;
    url?: string;
    content?: string;
}): boolean;
export declare function isVideoUrl(url: string): boolean;
export declare function isVideoFile(options: {
    isVideo?: boolean;
    file?: File;
    url?: string;
    content?: string;
}): boolean;
export declare function isFileUrl(url: string): boolean;
export type FileReaderResultType = 'file' | 'dataUrl' | 'text';
export declare function readFileContent(file: File, resultType: FileReaderResultType): Promise<string | void>;
export declare function getFileName(path: string, ext?: boolean): string;