import { CalendarDate, CalendarDateTime, DateValue, ZonedDateTime } from '@internationalized/date';
import { AM, PM } from './types';
export declare function isNumber(value: number | undefined): value is number;
export declare function isZonedDateTime(date: DateValue): date is ZonedDateTime;
export declare function isCalendarDateTime(date: DateValue): date is CalendarDateTime;
export declare function isCalendarDate(date: DateValue): date is CalendarDate;
export declare function convertHourTo24hFormat(hour: number, dayPeriod: typeof AM | typeof PM): number;
export declare function getDayPeriodModifier(hour: number): typeof AM | typeof PM;
export declare function equalSegmentValues(a: (number | undefined)[], b: (number | undefined)[]): boolean;
export declare function dateValueToDate(dateValue: DateValue): Date;