import React from 'react';
import { WheelColumnProps } from './TimePicker.types';
/**
 * WheelColumn Component - iOS-style scroll wheel column
 *
 * Features:
 * - CSS scroll-snap for native snapping behavior
 * - Momentum scrolling with -webkit-overflow-scrolling: touch
 * - Click-to-select items
 * - Mouse drag-to-scroll on desktop
 * - Fade effect using CSS mask-image gradient
 * - Center highlight row with fixed positioning
 */
export declare const WheelColumn: React.FC<WheelColumnProps>;
