QList<Layout> getAllLayouts();
QList<int> getAllSurfacesOfProcess(int pid);
QList<int> getAvailableLayouts(int numberOfAppSurfaces);
QList<int> getAvailableSurfaces();
QString getLayoutName(int layoutId);
QList<Layout> getAllLayouts();
QList<int> getAllSurfacesOfProcess(int pid);
QList<int> getAvailableLayouts(int numberOfAppSurfaces);
QList<int> getAvailableSurfaces();
QString getLayoutName(int layoutId);