import { CalendarDateInput, CalendarView } from './types';
export declare const MS_PER_DAY = 86400000;
export declare const MINUTES_PER_DAY = 1440;
export declare function toDate(value: CalendarDateInput): Date;
export declare function isValidDate(date: Date): boolean;
export declare function startOfDay(date: Date): Date;
export declare function endOfDay(date: Date): Date;
export declare function addDays(date: Date, amount: number): Date;
export declare function addMinutes(date: Date, amount: number): Date;
export declare function daysInMonth(date: Date): number;
/** Suma meses sin desbordar (31 de enero + 1 mes = 28/29 de febrero). */
export declare function addMonths(date: Date, amount: number): Date;
export declare function startOfWeek(date: Date, weekStartsOn?: 0 | 1): Date;
export declare function startOfMonth(date: Date): Date;
export declare function endOfMonth(date: Date): Date;
export declare function isSameDay(a: Date, b: Date): boolean;
export declare function isSameMonth(a: Date, b: Date): boolean;
export declare function isToday(date: Date): boolean;
export declare function isWeekend(date: Date): boolean;
/** Minutos transcurridos desde la medianoche local. */
export declare function minutesOfDay(date: Date): number;
/** `"05:30"` → 330. `"24:00"` → 1440. */
export declare function parseTimeToMinutes(time: string, fallback: number): number;
/** Combina un día con una cantidad de minutos desde la medianoche. */
export declare function dayAtMinutes(day: Date, minutes: number): Date;
/**
 * Grilla del mes por semanas. Devuelve 4 a 6 filas según lo que ocupe el mes,
 * en lugar de 6 fijas: evita una fila vacía en febrero.
 */
export declare function buildMonthGrid(date: Date, weekStartsOn?: 0 | 1): Date[][];
export declare function buildWeekDays(date: Date, weekStartsOn?: 0 | 1): Date[];
export declare function getViewRange(date: Date, view: CalendarView, weekStartsOn?: 0 | 1, agendaDays?: number): {
    start: Date;
    end: Date;
};
/** Días que se listan en la vista agenda. */
export declare function getAgendaDays(date: Date, weekStartsOn: 0 | 1, agendaDays?: number): Date[];
/** Un paso de navegación: mes a mes, semana a semana o día a día. */
export declare function shiftDate(date: Date, view: CalendarView, direction: 1 | -1, agendaDays?: number): Date;
/** Intl devuelve los meses y días en minúscula en español. */
export declare function capitalize(value: string): string;
export declare function formatTime(date: Date, locale: string): string;
export declare function formatWeekday(date: Date, locale: string, weekday?: "short" | "long" | "narrow"): string;
export declare function formatDayMonth(date: Date, locale: string): string;
export declare function formatDayLong(date: Date, locale: string): string;
/** Título de la barra de navegación según la vista. */
export declare function getViewTitle(date: Date, view: CalendarView, locale: string, weekStartsOn?: 0 | 1, agendaDays?: number): string;