public override void VisitEnumDeclaration(EnumDeclarationSyntax node)
        {
            var defineName = node.ChildTokens().FirstOrDefault(x => x.Kind() == SyntaxKind.IdentifierToken).ToString();

            var enumMembers = node.ChildNodes().OfType <EnumMemberDeclarationSyntax>().Select(x => x.Identifier.Text);

            var startLength     = node.Span.Start;
            var endLength       = node.Span.End;
            var parentNamespace = GetNamespace(DefineKinds.Enum, startLength, endLength);

            UserDefinitions.Add(new UserDefinition
            {
                DefineKinds    = DefineKinds.Enum,
                Namespace      = parentNamespace,
                DefineName     = defineName,
                DefineFullName = $"{parentNamespace}.{defineName}",
                EnumMembers    = enumMembers.ToList(),
                SourceFile     = SourceFile,
                StartLength    = startLength,
                EndLength      = endLength,
            });;

            base.VisitEnumDeclaration(node);
        }