/**
 * Date adapter interface for abstracting date/time operations.
 * This allows the library to work with any date library (Luxon, date-fns, Day.js, etc.)
 */
export interface DateAdapter<T = unknown> {
    /**
     * Get the year component
     */
    getYear(date: T): number;
    /**
     * Get the month component (1-12)
     */
    getMonth(date: T): number;
    /**
     * Get the day component
     */
    getDay(date: T): number;
    /**
     * Get the hour component (0-23)
     */
    getHour(date: T): number;
    /**
     * Get the minute component (0-59)
     */
    getMinute(date: T): number;
    /**
     * Get the second component (0-59)
     */
    getSecond(date: T): number;
    /**
     * Get the timezone name (e.g., "Asia/Seoul", "America/New_York")
     */
    getZoneName(date: T): string;
    /**
     * Add minutes to a date
     */
    plusMinutes(date: T, minutes: number): T;
    /**
     * Add days to a date
     */
    plusDays(date: T, days: number): T;
    /**
     * Subtract days from a date
     */
    minusDays(date: T, days: number): T;
    /**
     * Convert to UTC
     */
    toUTC(date: T): T;
    /**
     * Convert to ISO string
     */
    toISO(date: T): string;
    /**
     * Convert to milliseconds since epoch
     */
    toMillis(date: T): number;
    /**
     * Create a date from milliseconds since epoch
     */
    fromMillis(millis: number, zone: string): T;
    /**
     * Create a UTC date
     */
    createUTC(year: number, month: number, day: number, hour: number, minute: number, second: number): T;
    /**
     * Set the timezone of a date without changing the underlying instant
     */
    setZone(date: T, zoneName: string): T;
    /**
     * Compare two dates (returns true if date1 >= date2)
     */
    isGreaterThanOrEqual(date1: T, date2: T): boolean;
}
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