uts 无法重写WebChromeClient 的onShowFileChooser

    override onShowFileChooser(webView: WebView, filePathCallback?:  ValueCallback<Uri[]> | null ,  
         fileChooserParams: WebChromeClient.FileChooserParams) {  
        super.onShowFileChooser(webView, filePathCallback, fileChooserParams);   
    }  

报错：18:44:14.744 ‌error: 类型不匹配: 推断类型是ValueCallback<UTSArray<Uri>>?（可为空的ValueCallback<UTSArray<Uri>>），但预期的是ValueCallback<Array<(out) Uri!>!>!。‌
18:44:14.754 340| onShowFileChooser(webView: WebView, filePathCallback?: ValueCallback<android.net.Uri[]> | null ,
18:44:14.764 341| fileChooserParams: WebChromeClient.FileChooserParams) {
18:44:14.768 342| super.onShowFileChooser(webView, filePathCallback, fileChooserParams);
18:44:14.773 | ^
18:44:14.786 343| }

如何解决了