export declare class TimeHelper {
    static parseTime(value: any): string | null;
    static toTime(value: string): string;
    static toDate(time: string | undefined | null): Date;
    static intersects(start1: string, end1: string, start2: string, end2: string): boolean;
    static overlaps(start1: string, end1: string, start2: string, end2: string): boolean;
}