Document - 
    NamespaceDeclaration -  - Test
        UsingDirective - (3:1,1 [20] ) - global::System
        UsingDirective - (26:2,1 [40] ) - global::System.Collections.Generic
        UsingDirective - (69:3,1 [25] ) - global::System.Linq
        UsingDirective - (97:4,1 [36] ) - global::System.Threading.Tasks
        UsingDirective - (136:5,1 [45] ) - global::Microsoft.AspNetCore.Components
        ClassDeclaration -  - public partial - TestComponent - global::Microsoft.AspNetCore.Components.ComponentBase - 
            MethodDeclaration -  - protected override - void - BuildRenderTree
                MarkupBlock -  - <h1>Hello</h1>\n\n
                CSharpExpression - (20:2,2 [10] x:\dir\subdir\Test\TestComponent.cshtml)
                    LazyIntermediateToken - (20:2,2 [10] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - "My value"
