declare type jsonToExcelOptions = {
    file: File;
    fieldNames?: {
        title: string;
        dataIndex: string;
    };
    onLoadEnd?: (jsonData: any[]) => void;
    columns: Array<{
        title: string;
        dataIndex: string;
        [k: string]: any;
    }>;
};
/**
 * Excel转Json数据
 * @param XLSX xlsx-js-style
 * @param options
 * @returns
 */
export declare const excelToJson: (XLSX: any, options: jsonToExcelOptions) => void;
export {};