Document - 
    NamespaceDeclaration -  - Test
        UsingDirective - (3:1,1 [12] ) - System
        UsingDirective - (18:2,1 [32] ) - System.Collections.Generic
        UsingDirective - (53:3,1 [17] ) - System.Linq
        UsingDirective - (73:4,1 [28] ) - System.Threading.Tasks
        UsingDirective - (104:5,1 [33] ) - Microsoft.AspNetCore.Blazor
        UsingDirective - (140:6,1 [44] ) - Microsoft.AspNetCore.Blazor.Components
        ClassDeclaration -  - public - TestComponent - Microsoft.AspNetCore.Blazor.Components.BlazorComponent - 
            DesignTimeDirective - 
                DirectiveToken - (14:0,14 [32] ) - "*, Microsoft.AspNetCore.Blazor"
                DirectiveToken - (14:0,14 [9] ) - "*, Test"
            CSharpCode - 
                IntermediateToken -  - CSharp - #pragma warning disable 0414
            CSharpCode - 
                IntermediateToken -  - CSharp - private static System.Object __o = null;
            CSharpCode - 
                IntermediateToken -  - CSharp - #pragma warning restore 0414
            MethodDeclaration -  - protected override - void - BuildRenderTree
                CSharpCode - 
                    IntermediateToken -  - CSharp - base.BuildRenderTree(builder);
                HtmlElement - (0:0,0 [79] x:\dir\subdir\Test\TestComponent.cshtml) - elem
                    HtmlContent - (67:0,67 [5] x:\dir\subdir\Test\TestComponent.cshtml)
                        IntermediateToken - (67:0,67 [5] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Hello
                    HtmlAttribute -  - attributebefore=" - "
                        HtmlAttributeValue - (23:0,23 [6] x:\dir\subdir\Test\TestComponent.cshtml) - 
                            IntermediateToken - (23:0,23 [6] x:\dir\subdir\Test\TestComponent.cshtml) - Html - before
                    RefExtensionNode - (36:0,36 [6] x:\dir\subdir\Test\TestComponent.cshtml) - myElem - Element
                    HtmlAttribute -  - attributeafter=" - "
                        HtmlAttributeValue - (60:0,60 [5] x:\dir\subdir\Test\TestComponent.cshtml) - 
                            IntermediateToken - (60:0,60 [5] x:\dir\subdir\Test\TestComponent.cshtml) - Html - after
                HtmlContent - (79:0,79 [4] x:\dir\subdir\Test\TestComponent.cshtml)
                    IntermediateToken - (79:0,79 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n\n
                HtmlContent - (214:5,1 [2] x:\dir\subdir\Test\TestComponent.cshtml)
                    IntermediateToken - (214:5,1 [2] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n
            CSharpCode - (95:2,12 [118] x:\dir\subdir\Test\TestComponent.cshtml)
                IntermediateToken - (95:2,12 [118] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    private Microsoft.AspNetCore.Blazor.ElementRef myElem;\n    public void Foo() { System.GC.KeepAlive(myElem); }\n
