protected virtual void RegisterCodeSnippeModifiers(IDependencyResolver resolver)
 {
     CodeSnippetModifierTypes.ForEach(
         x => resolver.AddDependency(typeof(ICodeSnippetModifier), x, DependencyLifetime.Transient));
 }
 public void AddCodeSnippetModifier <T>() where T : ICodeSnippetModifier
 {
     CodeSnippetModifierTypes.Add(typeof(T));
 }