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 [59] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
                    ComponentAttribute - (22:0,22 [8] x:\dir\subdir\Test\TestComponent.cshtml) - Message - Message - AttributeStructure.DoubleQuotes
                        CSharpExpression - (23:0,23 [7] x:\dir\subdir\Test\TestComponent.cshtml)
                            IntermediateToken - (23:0,23 [7] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - message
                    ComponentAttribute - (47:0,47 [8] x:\dir\subdir\Test\TestComponent.cshtml) - Message - Message - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            IntermediateToken - (48:0,48 [7] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - message
                    ComponentAttribute - (47:0,47 [8] x:\dir\subdir\Test\TestComponent.cshtml) - MessageChanged - MessageChanged - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            IntermediateToken -  - CSharp - Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, __value => message = __value, message)
                    ComponentAttribute - (47:0,47 [8] x:\dir\subdir\Test\TestComponent.cshtml) - MessageExpression - MessageExpression - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            IntermediateToken -  - CSharp - () => message
            CSharpCode - (73:1,12 [30] x:\dir\subdir\Test\TestComponent.cshtml)
                IntermediateToken - (73:1,12 [30] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    string message = "hi";\n
