export declare const HOURS_IN_DAY = 24;
export declare const TIME_ANCHOR = 30;
/**
 * @internal
 */
export declare function formatTime(h: number, m: number, format?: string): string;
export declare function updateTime(h: number, m: number, date?: Date): Date;
/**
 * @internal
 *
 * Normalizes time based on time anchor (default is 30 minutes)
 * When date is also provided, it combines date with the normalized time
 *
 * return 7:30 if time is 7:25
 * return 8:00 if time is 7:35
 * return 0:00 if time is 23:45
 */
export declare function normalizeTime(time?: Date, date?: Date, timeAnchor?: number): Date;
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