import * as moment from 'moment';
/**
 * 转化成RMB元字符串
 */
export declare function yuan(value: any): string;
/**
 * 不满两位数自动填充 `0`
 * @param val 数值
 */
export declare function fixedZero(val: any): any;
/**
 * 获取时间范围
 * @param type 类型
 * @param time 开始时间
 */
export declare function getTimeDistance(type: 'today' | 'week' | 'month' | 'year', time?: Date): moment.Moment[];
/**
 * 类似 `_.get`，根据 `path` 获取安全值
 * jsperf: https://jsperf.com/es-deep-get
 */
export declare function deepGet(obj: any, path: string[], defaultValue: any): any;
export declare function deepCopy(obj: any): any;