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 [64] x:\dir\subdir\Test\TestComponent.cshtml) - ComponentWithNullableAction
                    ComponentAttribute - (45:0,45 [15] x:\dir\subdir\Test\TestComponent.cshtml) - NullableAction - NullableAction - AttributeStructure.DoubleQuotes
                        CSharpExpression - (46:0,46 [14] x:\dir\subdir\Test\TestComponent.cshtml)
                            LazyIntermediateToken - (46:0,46 [14] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - NullableAction
            CSharpCode - (73:1,7 [61] x:\dir\subdir\Test\TestComponent.cshtml)
                LazyIntermediateToken - (73:1,7 [61] x:\dir\subdir\Test\TestComponent.cshtml) - CSharp - \n	[Parameter]\n	public Action NullableAction { get; set; }\n
