import moment from 'moment';
export declare const getBelongWeekBoundary: (date: moment.Moment, weekOffset: number, isStart?: boolean) => moment.Moment;
export declare const getBelongWeekRange: (date: moment.Moment, weekOffset: number) => moment.Moment[];
export declare const getBelongWeekYear: (date: moment.Moment, weekOffset: number) => number;
export declare const getBelongWeek: (date: moment.Moment, weekOffset: number) => number;
/**
 * 按 format 模板格式化周日期为字符串（使用 getBelongWeekYear/getBelongWeek，保证 YYYY-WW 等格式正确）
 * 用于 onChange dateStr 与输入框回显，避免 moment 原生 format 在跨年第一周时得到错误年/周
 */
export declare const formatWeekByTemplate: (date: moment.Moment, weekOffset: number, formatStr: string) => string;