import { addUnit } from '../_utils/utils';
import { pinyin } from 'pinyin-pro';
declare const _default: {
    deepClone: (data: any) => any;
    extend: {
        <T, U>(target: T, source: U): T & U;
        <T_1, U_1, V>(target: T_1, source1: U_1, source2: V): T_1 & U_1 & V;
        <T_2, U_2, V_1, W>(target: T_2, source1: U_2, source2: V_1, source3: W): T_2 & U_2 & V_1 & W;
        (target: object, ...sources: any[]): any;
    };
    addUnit: typeof addUnit;
    guid: () => string;
    pinyin: typeof pinyin;
    sync: (fn: Function, ...args: any[]) => Promise<any>;
    to: (promise: Promise<any>) => Promise<any>;
    throttle: (func: any, wait: any, options?: any) => (this: any, ...args: any[]) => void;
};
export default _default;
