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 [164] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent - Test.MyComponent
                    ComponentChildContent - (76:2,2 [103] x:\dir\subdir\Test\TestComponent.cshtml) - ChildContent
                        HtmlContent - (90:2,16 [15] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (90:2,16 [15] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n    Some text
                        HtmlElement - (105:3,13 [55] x:\dir\subdir\Test\TestComponent.cshtml) - some-child
                            HtmlAttribute -  -  - 
                                HtmlAttributeValue -  - 
                                    IntermediateToken -  - Html - 1
                            CSharpExpression - (124:3,32 [23] x:\dir\subdir\Test\TestComponent.cshtml)
                                IntermediateToken - (124:3,32 [23] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - item.ToLowerInvariant()
                        HtmlContent - (160:3,68 [4] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (160:3,68 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n  
                    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
