export declare function canIUse(params: any): any;
export declare function getSystemInfo({ success, fail, complete }: {
    success: any;
    fail: any;
    complete: any;
}): any;
export declare function getSystemInfoSync(): any;
export declare function getSystemInfoAsync({ success, fail, complete }: {
    success: any;
    fail: any;
    complete: any;
}): any;
export declare function updateWeChatApp({ success, fail, complete }: {
    success: any;
    fail: any;
    complete: any;
}): any;
export declare function getUpdateManager(): any;
export declare function getLaunchOptionsSync(): any;
export declare function onUnhandledRejection(...args: any[]): any;
export declare function offUnhandledRejection(...args: any[]): any;
export declare function onError(...args: any[]): any;
export declare function offError(...args: any[]): any;
export declare function onAudioInterruptionEnd(...args: any[]): any;
export declare function offAudioInterruptionEnd(...args: any[]): any;
export declare function onAudioInterruptionBegin(...args: any[]): any;
export declare function offAudioInterruptionBegin(...args: any[]): any;
export declare function onAppShow(...args: any[]): any;
export declare function offAppShow(...args: any[]): any;
export declare function onAppHide(...args: any[]): any;
export declare function offAppHide(...args: any[]): any;
export declare function getMenuButtonBoundingClientRect(): {
    bottom: number;
    height: number;
    left: number;
    right: number;
    top: number;
    width: number;
};