import { TimeType } from "../Constants";
export default class PeriodTimeChanger {
    private _start;
    private _end;
    constructor(start: Date, end: Date);
    extendPeriod(value: number, type?: TimeType, changeStartTime?: boolean): void;
    shortenPeriod(value: number, type?: TimeType, changeStartTime?: boolean): void;
    static getMsMultiplier(type?: TimeType, changeStartTime?: boolean): number;
}