diff -ruN /Applications/Xcode_16.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailComposeViewController.h /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailComposeViewController.h
--- /Applications/Xcode_16.2.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailComposeViewController.h	2024-11-20 12:49:52
+++ /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailComposeViewController.h	2025-02-11 06:35:03
@@ -131,6 +131,12 @@
 /// @param      emailAddress  A NSString specifying the preferred email address used to send this message.
 - (void)setPreferredSendingEmailAddress:(NSString *)emailAddress API_AVAILABLE(ios(11.0));
 
+/// @method     insertCollaborationItemProvider:
+/// @param      itemProvider specifying the intended content for collaboration
+/// @abstract   Returns <tt>YES</tt> if the item provider was added to the composition successfully.
+/// @discussion If the return value is YES, the itemProvider was added to the composition.  The itemProvider must be non-nil.
+- (void)insertCollaborationItemProvider:(NSItemProvider *)itemProvider completionHandler:(void (^)(BOOL))completionHandler API_AVAILABLE(ios(18.4));
+
 @end