System.Xml.Serialization.XmlReflectionImporter.GetContextName C# (CSharp) Method

        private static string GetContextName(ImportContext context)
        {
            switch (context)
            {
                case ImportContext.Element: return "element";
                case ImportContext.Attribute: return "attribute";
                case ImportContext.Text: return "text";
                default:
                    throw new ArgumentException(SR.XmlInternalError, nameof(context));
            }
        }