Document - 
    NamespaceDeclaration -  - Test
        UsingDirective - (3:1,1 [14] ) - System
        UsingDirective - (18:2,1 [34] ) - System.Collections.Generic
        UsingDirective - (53:3,1 [19] ) - System.Linq
        UsingDirective - (73:4,1 [30] ) - System.Threading.Tasks
        UsingDirective - (104:5,1 [35] ) - Microsoft.AspNetCore.Blazor
        UsingDirective - (140:6,1 [46] ) - Microsoft.AspNetCore.Blazor.Components
        ClassDeclaration -  - public - TestComponent - Microsoft.AspNetCore.Blazor.Components.BlazorComponent - 
            MethodDeclaration -  - protected override - void - BuildRenderTree
                CSharpCode - 
                    IntermediateToken -  - CSharp - base.BuildRenderTree(builder);
                ComponentExtensionNode - (31:1,0 [107] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent - Test.MyComponent
                    ComponentChildContent -  - ChildContent
                        HtmlContent - (57:1,26 [9] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (57:1,26 [9] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Some text
                        HtmlElement - (66:1,35 [58] x:\dir\subdir\Test\TestComponent.cshtml) - some-child
                            HtmlAttribute -  -  - 
                                HtmlAttributeValue -  - 
                                    IntermediateToken -  - Html - 1
                            CSharpExpression - (85:1,54 [26] x:\dir\subdir\Test\TestComponent.cshtml)
                                IntermediateToken - (85:1,54 [26] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - context.ToLowerInvariant()
                    ComponentAttributeExtensionNode - (52:1,21 [3] x:\dir\subdir\Test\TestComponent.cshtml) - MyAttr - MyAttr
                        HtmlContent - (52:1,21 [3] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (52:1,21 [3] x:\dir\subdir\Test\TestComponent.cshtml) - Html - abc
