Document - 
    Checksum - 
    NamespaceDeclaration -  - Microsoft.AspNetCore.Razor.Evolution.IntegrationTests.TestFiles
        UsingStatement -  - System
        UsingStatement -  - System.Threading.Tasks
        ClassDeclaration -  - public - TestFiles_IntegrationTests_CodeGenerationIntegrationTest_FunctionsBlockMinimal_Runtime -  - 
            RazorMethodDeclaration -  - public - async - System.Threading.Tasks.Task - ExecuteAsync
                HtmlContent - (0:0,0 [4] FunctionsBlockMinimal.cshtml) - \n\n
            CSharpStatement - (4:2,0 [1] FunctionsBlockMinimal.cshtml) - 	
            CSharpStatement - (16:2,12 [55] FunctionsBlockMinimal.cshtml) - \nstring foo(string input) {\n	return input + "!";\n}\n
