export interface DateParts {
    year: number;
    month: number;
    dayOfMonth: number;
    dayOfWeek: number;
    hours: number;
    minutes: number;
    seconds: number;
}
/**
 * Gets the components of a date, optionally adjusted for a specific timezone.
 * This function is the core of our timezone logic.
 * @param date The input Date object.
 * @param timezone An optional IANA timezone string (e.g., 'America/New_York').
 * @returns An object containing the date parts.
 */
export declare function getDateParts(date: Date, timezone?: string): DateParts;