<engine:UXML xmlns:engine="UnityEngine.UIElements" xmlns:collab="Unity.Cloud.Collaborate.Components"> <engine:VisualElement class="main-page-view__container grow"> <collab:TopBar class="main-page-view__top-bar" /> <engine:VisualElement class="divider-horizontal" /> <collab:AlertBox class="main-page-view__alert-box" /> <collab:TabView class="main-page-view__tab-view" /> </engine:VisualElement> </engine:UXML>