42    Q_PROPERTY(
QObject *actualTitleBar READ actualTitleBarObj NOTIFY actualTitleBarChanged)
 
   56                             LayoutSaverOptions layoutSaverOptions = LayoutSaverOptions(),
 
   57                             QQmlEngine *engine = 
nullptr);
 
   64    void setWidget(
const QString &qmlFilename);
 
   67    void setWidget(QWidgetAdapter *widget) 
override;
 
   70    Q_INVOKABLE 
void setWidget(QQuickItem *widget);
 
   73    QSize minimumSize() 
const override;
 
   76    QSize maximumSize() 
const override;
 
   79    TitleBar *actualTitleBar() 
const;
 
   84    QObject *actualTitleBarObj() 
const;
 
   88    QQuickItem *frameVisualItem() 
const;
 
   91    Q_INVOKABLE KDDockWidgets::Frame *frame() 
const;
 
   94    Q_INVOKABLE 
void onGeometryUpdated();
 
  102    bool event(
QEvent *e) 
override;