import { dayjs } from 'el-plus/es/utils/time';
import { downloadFile } from 'el-plus/es/utils/file';
export declare const useUtils: () => {
    getUnifyTime: (date: string | number | Date, format?: string) => string | number | null;
    dayjs: typeof dayjs;
    importFile: ({ accept, multiple, fieldName, failedFileName, extraData, api, }: import("el-plus/es/utils/file").ImportFileOptions) => Promise<Record<string, any>>;
    downloadFile: typeof downloadFile;
    previewFile: (url: string) => void;
    Cookies: any;
};