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 [87] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent - Test.MyComponent
                    ComponentChildContent - (50:2,4 [20] x:\dir\subdir\Test\TestComponent.cshtml) - Header
                        HtmlContent - (58:2,12 [3] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (58:2,12 [3] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Hi!
                    ComponentChildContent - (76:3,4 [26] x:\dir\subdir\Test\TestComponent.cshtml) - Footer
                        CSharpExpression - (86:3,14 [6] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (86:3,14 [6] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - "bye!"
