Document - 
    NamespaceDeclaration -  - Test
        UsingDirective - (3:1,1 [22] ) - global::System
        UsingDirective - (26:2,1 [42] ) - global::System.Collections.Generic
        UsingDirective - (69:3,1 [27] ) - global::System.Linq
        UsingDirective - (97:4,1 [38] ) - global::System.Threading.Tasks
        UsingDirective - (136:5,1 [47] ) - global::Microsoft.AspNetCore.Components
        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
            MethodDeclaration -  - protected override - void - BuildRenderTree
                MarkupElement - (0:0,0 [73] x:\dir\subdir\Test\TestComponent.cshtml) - elem
                    HtmlAttribute - (5:0,5 [23] x:\dir\subdir\Test\TestComponent.cshtml) -  normal-attr=" - "
                        CSharpExpressionAttributeValue - (19:0,19 [8] x:\dir\subdir\Test\TestComponent.cshtml) - 
                            LazyIntermediateToken - (21:0,21 [5] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - "val"
                    HtmlAttribute - (28:0,28 [15] x:\dir\subdir\Test\TestComponent.cshtml) -  minimized-attr - 
                    HtmlAttribute - (43:0,43 [22] x:\dir\subdir\Test\TestComponent.cshtml) -  empty-string-atttr=" - "
