interface AppInstance {
    /** 获取应用全局数据 */
    getData: () => Record<string, unknown>;
    /** 设置应用全局数据 */
    setData: (data: Record<string, unknown>) => void;
    /** 开发者自定义的属性和方法 */
    [key: string]: any;
}
/**
 * 获取应用唯一 App 实例，实例对象为 `src/App.tsx`
 *
 * @public
 * @alias getApp
 * @since @ray-js/ray 0.5.10
 * @returns App 实例对象
 * @example 读写全局数据
 * ```tsx
 * import React from 'react';
 * import { View, Button, getApp } from '@ray-js/ray';
 *
 * export default function Demo() {
 *   const app = getApp();
 *
 *   const handleGetGlobalData = () => {
 *     const globalData = app.getData();
 *     console.log('globalData:', globalData);
 *   };
 *
 *   return (
 *     <View style={{ padding: 20 }}>
 *       <Button onClick={handleGetGlobalData}>
 *         获取全局数据
 *       </Button>
 *       <Button
 *         style={{ marginTop: 10 }}
 *         onClick={() => {
 *           app.setData({ theme: 'dark' });
 *         }}
 *       >
 *         修改全局数据
 *       </Button>
 *     </View>
 *   );
 * }
 * ```
 */
export default function (): AppInstance;
export {};