BrowserEngineKit tvOS xcode16.0 b2

#BrowserEngineKit.framework https://github.com/xamarin/xamarin-macios/pull/21168

diff -ruN /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/BrowserEngineKit.framework/Headers/BETextInput.h /Applications/Xcode_16.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/BrowserEngineKit.framework/Headers/BETextInput.h
--- /Applications/Xcode_16.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/BrowserEngineKit.framework/Headers/BETextInput.h	2024-05-30 09:39:12
+++ /Applications/Xcode_16.0.0-beta2.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/BrowserEngineKit.framework/Headers/BETextInput.h	2024-06-19 09:39:04
@@ -535,6 +535,14 @@
  */
 - (void)insertTextAlternatives:(BETextAlternatives *)alternatives;
 
+@optional
+/**
+ *  Removes text alternatives from the text input object for the current selection
+ */
+- (void)removeTextAlternatives API_AVAILABLE(ios(18.0));
+
+@required
+
 #pragma mark - Text Placeholders
 
 /**
@@ -610,6 +618,14 @@
  *  There will be no more calls into`autoscrollToPoint` until a text interaction gesture starts autoscrolling.
  */
 - (void)cancelAutoscroll;
+
+#pragma mark - Keyboards
+
+@optional
+/**
+ *  Called when the user has requested the keyboard to dismiss itself.
+ */
+- (void)keyboardWillDismiss API_AVAILABLE(ios(18.0));
 
 @end