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 [39] ) - Microsoft.AspNetCore.Components
        ClassDeclaration -  - public partial - TestComponent - Microsoft.AspNetCore.Components.ComponentBase - 
            MethodDeclaration -  - protected override - void - BuildRenderTree
                Component - (0:0,0 [78] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
                    ComponentChildContent - (17:1,2 [20] x:\dir\subdir\Test\TestComponent.cshtml) - Header - context
                        HtmlContent - (25:1,10 [3] x:\dir\subdir\Test\TestComponent.cshtml)
                            LazyIntermediateToken - (25:1,10 [3] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Hi!
                    ComponentChildContent - (41:2,2 [21] x:\dir\subdir\Test\TestComponent.cshtml) - Footer - context
                        HtmlContent - (49:2,10 [4] x:\dir\subdir\Test\TestComponent.cshtml)
                            LazyIntermediateToken - (49:2,10 [4] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Bye!
                HtmlContent - (78:3,14 [2] x:\dir\subdir\Test\TestComponent.cshtml)
                    LazyIntermediateToken - (78:3,14 [2] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n
                Component - (80:4,0 [23] x:\dir\subdir\Test\TestComponent.cshtml) - Header
                    ComponentChildContent -  - ChildContent - context
                        HtmlContent - (88:4,8 [6] x:\dir\subdir\Test\TestComponent.cshtml)
                            LazyIntermediateToken - (88:4,8 [6] x:\dir\subdir\Test\TestComponent.cshtml) - Html - Hello!
