Rename PageObjectDeInitEvent to PageObjectDeInitCompletedEvent

src/Atata/Components/PageObject`1.cs

@@ -691,7 +691,12 @@ public TOwner ScrollDown()
     void IPageObject.DeInit()
     {
         ExecuteTriggers(TriggerEvents.DeInit);
+
+#pragma warning disable CS0618 // Type or member is obsolete
         Session.EventBus.Publish(new PageObjectDeInitEvent(this));
+#pragma warning restore CS0618 // Type or member is obsolete
+
+        Session.EventBus.Publish(new PageObjectDeInitCompletedEvent(this));
     }
 
     protected override string BuildComponentProviderName() => null;

src/Atata/Events/PageObjectDeInitCompletedEvent.cs

@@ -0,0 +1,17 @@
+#nullable enable
+
+namespace Atata;
+
+/// <summary>
+/// Represents an event that occurs when <see cref="PageObject{TOwner}"/> is deinitialized.
+/// </summary>
+public sealed class PageObjectDeInitCompletedEvent
+{
+    public PageObjectDeInitCompletedEvent(UIComponent pageObject) =>
+        PageObject = pageObject;
+
+    /// <summary>
+    /// Gets the page object.
+    /// </summary>
+    public UIComponent PageObject { get; }
+}

src/Atata/Events/PageObjectDeInitEvent.cs

@@ -2,9 +2,7 @@
 
 namespace Atata;
 
-/// <summary>
-/// Represents an event that occurs when <see cref="PageObject{TOwner}"/> is deinitialized.
-/// </summary>
+[Obsolete("Use PageObjectDeInitCompletedEvent instead.")] // Obsolete since v4.0.0.
 public sealed class PageObjectDeInitEvent
 {
     public PageObjectDeInitEvent(UIComponent pageObject) =>