/**
 * Call this hook at the top of any component that renders a `<DateRange />` calendar
 * from `react-date-range`.  The styles are injected once into `document.head` and
 * never removed (the injection is idempotent — safe to call from multiple components).
 *
 * @example
 * const MyCalendarChip = () => {
 *   useRdrStyles();
 *   return <DateRange ... />;
 * };
 */
export declare function useRdrStyles(): void;