public JsonValue ToJson(JsonSerializer serializer)
        {
            var json = new JsonObject();

            ShowSidebar.Serialize(json, serializer, "showSidebar");
            ShowSidebarMembers.Serialize(json, serializer, "showSidebarMembers");
            ShowSidebarBoardActions.Serialize(json, serializer, "showSidebarBoardActions");
            ShowSidebarActivity.Serialize(json, serializer, "showSidebarActivity");
            ShowListGuide.Serialize(json, serializer, "showListGuide");
            EmailPosition.Serialize(json, serializer, "emailPosition");
            EmailList.Serialize(json, serializer, "idEmailList");

            return(json);
        }