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 [96] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
                    ComponentChildContent -  - ChildContent - context
                        HtmlContent - (45:0,45 [11] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (45:0,45 [11] x:\dir\subdir\Test\TestComponent.cshtml) - Html - \n    Some 
                        MarkupBlock -  - <el>further</el> content\n
                    SetKey - (19:0,19 [9] x:\dir\subdir\Test\TestComponent.cshtml) - 123 + 456
                    ComponentAttribute -  - SomeProp -  - AttributeStructure.DoubleQuotes
                        HtmlContent - (40:0,40 [3] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (40:0,40 [3] x:\dir\subdir\Test\TestComponent.cshtml) - Html - val
