export declare const isDateBetweenBusinessHours: (date: Date, targetTimeZone?: string) => boolean;
/**
 * Adjusts the given ISO date string to the next available time within business hours,
 * taking into account the specified time zone.
 *
 * @param date - The date to adjust.
 * @param targetTimeZone - The IANA time zone identifier string, such as "America/New_York".
 * @returns The next date between business hours in UTC
 */
export declare const getNextDateWithinBusinessHours: (date: Date, targetTimeZone?: string) => Date;
