public string Convert()
        {
            NamespaceDeclarationSyntax @namespace = null !;

            if (!string.IsNullOrEmpty(EnumNamespace))
            {
                @namespace = SyntaxFactory.NamespaceDeclaration(SyntaxFactory.ParseName(EnumNamespace));
            }

            EnumMemberDeclarationSyntax[] enumMembers = Values
                                                        .OrderBy(x => x.Value)
                                                        .Select(x => SyntaxFactory.EnumMemberDeclaration(x.Key))
                                                        .ToArray();
            EnumDeclarationSyntax @enum = SyntaxFactory.EnumDeclaration(EnumName)
                                          .AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
                                          .AddMembers(enumMembers);

            string generatedCode = @namespace is not null
                ? @namespace.AddMembers(@enum).NormalizeWhitespace().ToFullString()
                : @enum.NormalizeWhitespace().ToFullString();

            return(generatedCode);
        }