/**
 * Localization service interface
 * Responsible for providing internationalization and localization functions
 */
export interface ILocalizationService {
    getMonthNames(short?: boolean): string[];
    /**
     * Get localized weekday names
     * @param short Whether to use short day names
     * @param firstDayOfWeek Optional first day of week (0=Sunday, 1=Monday, etc.)
     */
    getWeekdayNames(short?: boolean, firstDayOfWeek?: number): string[];
    /**
     * Get short localized weekday names
     * @param firstDayOfWeek Optional first day of week (0=Sunday, 1=Monday, etc.)
     */
    getShortWeekdayNames(firstDayOfWeek?: number): string[];
    /**
     * Get current locale
     */
    getLocale(): string;
    /**
     * Set locale
     */
    setLocale(locale: string): void;
    /**
     * Format a date according to the locale
     */
    formatDate(date: Date, options?: Intl.DateTimeFormatOptions): string;
    /**
     * Get the week number of a date
     * This is based on ISO 8601 where the first week of the year is the week with the first Thursday
     * @param date
     */
    getWeekNumber(date: Date): number;
}