/**
 * Time service interface
 * Responsible for time generation and navigation functions
 */
export interface ITimeService {
    /**
     * Get hour display values (12-hour or 24-hour format)
     * @param use12Hour Whether to use 12-hour format
     * @returns Array of hour display strings
     */
    getHourDisplayValues(use12Hour: boolean): string[];
    /**
     * Get minute display values with step interval
     * @param step Step interval for minutes
     * @returns Array of minute display strings
     */
    getMinuteDisplayValues(step: number): string[];
    /**
     * Get second display values with step interval
     * @param step Step interval for seconds
     * @returns Array of second display strings
     */
    getSecondDisplayValues(step: number): string[];
    /**
     * Get period names (AM/PM) for 12-hour format
     * @param locale Current locale
     * @returns Array of period names
     */
    getPeriodNames(locale: string): string[];
    /**
     * Convert 24-hour to 12-hour format
     * @param hour24 Hour in 24-hour format (0-23)
     * @returns Object with hour12 (1-12) and period ('AM'|'PM')
     */
    convertTo12Hour(hour24: number): {
        hour12: number;
        period: 'AM' | 'PM';
    };
    /**
     * Convert 12-hour to 24-hour format
     * @param hour12 Hour in 12-hour format (1-12)
     * @param period AM or PM
     * @returns Hour in 24-hour format (0-23)
     */
    convertTo24Hour(hour12: number, period: 'AM' | 'PM'): number;
    /**
     * Check if a time is today
     * @param time Time to check
     * @returns Whether the time is today
     */
    isToday(time: Date): boolean;
    /**
     * Get current time
     * @returns Current time as Date object
     */
    getCurrentTime(): Date;
    /**
     * Round time to nearest step interval
     * @param time Input time
     * @param minuteStep Step interval for minutes
     * @param secondStep Step interval for seconds
     * @returns Rounded time
     */
    roundToStep(time: Date, minuteStep: number, secondStep: number): Date;
}