/**
 * Return type for the useDownshiftEnvironment hook
 * @property {React.RefObject<HTMLDivElement>} ref - Ref to attach to the wrapper element
 * @property {object | undefined} environment - Environment configuration for downshift
 */
export interface UseDownshiftEnvironmentReturn {
    ref: React.RefObject<HTMLDivElement>;
    environment: {
        document: Document;
        addEventListener: typeof document.addEventListener;
        removeEventListener: typeof document.removeEventListener;
        Node: typeof Node;
    } | undefined;
}
/**
 * Hook to handle downshift environment configuration for shadow DOM support
 *
 * Features:
 * - Fixes shadow DOM compatibility issues with downshift
 * - Provides proper document and event listener references
 * - Returns ref for wrapper element and environment configuration
 *
 * @returns Object containing ref and environment configuration
 *
 * @example
 * const { ref, environment } = useDownshiftEnvironment();
 *
 * return (
 *   <div ref={ref}>
 *     <Combobox environment={environment}>
 *       combobox content
 *     </Combobox>
 *   </div>
 * );
 */
export declare const useDownshiftEnvironment: () => UseDownshiftEnvironmentReturn;