import { DateTime } from 'luxon';
import TimeLevel from '../interface/TimeLevel';
import TimeNodeProps from '../interface/TimeNode';
declare function datePlus(date: DateTime, dateUnit: 'year' | 'month' | 'day' | 'hour', amount: number): DateTime;
declare function getFixDate(date: DateTime, timeLevel: TimeLevel): DateTime;
declare function getDispTime(date: DateTime, timeLevel: TimeLevel): {
    dispTime: string;
    isKeyDate: boolean;
} | null;
declare function getNodeX(targetTime: number, timeNodeArray: TimeNodeProps[]): number;
declare function getTwoNodeDiffTime(timeLevel: TimeLevel): number;
declare function getNodeColumn(targetTime: number, startTimeNode: TimeNodeProps, timeLevel: TimeLevel): number;
declare function getTimeByX(x: number, itemWidth: number, timeNodeArray: TimeNodeProps[], timeLevel: TimeLevel): number;
export { datePlus, getDispTime, getFixDate, getNodeX, getNodeColumn, getTimeByX, getTwoNodeDiffTime };