public void AddBodyInjectionContentItem(CshtmlComponentInjectionContentItem bodyInjectionContentItem)
 {
     BodyInjectionContentItems.Add(bodyInjectionContentItem);
 }
 public void AddHeadInjectionContentItem(CshtmlComponentInjectionContentItem headInjectionContentItem)
 {
     HeadInjectionContentItems.Add(headInjectionContentItem);
 }