protected BaseVisualElementPanel()
 {
     this.< clearFlags > k__BackingField = PanelClearFlags.All;
     this.m_TopElementUnderPointers      = new ElementUnderPointer();
     base..ctor();
     this.yogaConfig = new YogaConfig();
     this.yogaConfig.UseWebDefaults = YogaConfig.Default.UseWebDefaults;
 }