private void AddField(FieldDeclarationSyntax node)
        {
            var type = Resolver.GetType($"{node.Declaration.Type}");

            foreach (var f in node.Declaration.Variables)
            {
                var id = $"{f.Identifier}";

                var fieldInfo = Klass.AddField(id, node, f);
                if (fieldInfo.IsStatic)
                {
                    InitializeStaticField(f, id, type);
                }
            }
        }