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
                Component - (0:0,0 [70] x:\dir\subdir\Test\TestComponent.cshtml) - MyComponent
                    ComponentAttribute - (29:0,29 [12] x:\dir\subdir\Test\TestComponent.cshtml) - MessageChanged - MessageChanged - AttributeStructure.DoubleQuotes
                        CSharpExpression - (30:0,30 [11] x:\dir\subdir\Test\TestComponent.cshtml)
                            LazyIntermediateToken - (31:0,31 [9] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - (s) => {}
                    ComponentAttribute - (58:0,58 [8] x:\dir\subdir\Test\TestComponent.cshtml) - Message - Message - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            LazyIntermediateToken - (59:0,59 [7] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - message
                    ComponentAttribute - (58:0,58 [8] x:\dir\subdir\Test\TestComponent.cshtml) - MessageChanged - MessageChanged - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            IntermediateToken -  - CSharp - global::Microsoft.AspNetCore.Components.CompilerServices.RuntimeHelpers.CreateInferredEventCallback(this, 
                            IntermediateToken -  - CSharp - __value => message = __value
                            IntermediateToken -  - CSharp - , message)
                    ComponentAttribute - (58:0,58 [8] x:\dir\subdir\Test\TestComponent.cshtml) - MessageExpression - MessageExpression - AttributeStructure.DoubleQuotes
                        CSharpExpression - 
                            IntermediateToken -  - CSharp - () => message
            CSharpCode - (84:1,12 [30] x:\dir\subdir\Test\TestComponent.cshtml)
                LazyIntermediateToken - (84:1,12 [30] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n    string message = "hi";\n
