/** 判断是否是 PixUI
 * @example
 * ```ts
 * if (isPixUI()) {
 *   console.log('当前是 PixUI 环境');
 * }
 * ```
 */
export declare function isPixUI(): boolean;
/** 判断是否是模拟器
 * @example
 * ```ts
 * if (isSimulatorInPixui()) {
 *   console.log('当前是 PixUI 模拟器环境');
 * }
 * ```
 */
export declare function isSimulatorInPixui(): boolean;
/** 判断是否是普通浏览器
 * @example
 * ```ts
 * if (isBrowserInPixui()) {
 *   localStorage.setItem('foo', 'bar');
 * }
 * ```
 */
export declare function isBrowserInPixui(): boolean;