import React from 'react';
export interface FileViewerFile {
    url?: string;
    mimeType?: string;
    extension?: string;
}
export interface FileViewerProps {
    files: FileViewerFile[];
    index?: number;
    onChange?: (index: number) => void;
    token?: string;
    className?: string;
}
export declare const FileViewer: React.FC<FileViewerProps>;