export interface Options { minColLength?: number; showContextmenu?: boolean; } export interface JsExcelPreview { preview: (src: string | ArrayBuffer | Blob) => Promise; save: (fileName?: string) => void; setOptions: (options: Options) => void; setRequestOptions: (requestOptions?: any) => void; destroy: ()=> void; } declare const jsPreviewExcel: { init: (container: HTMLElement, options?: Options, requestOptions?: any) => JsExcelPreview; }; export default jsPreviewExcel;