diff -ruN /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFComposeAssistantViewController.h /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFComposeAssistantViewController.h
--- /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFComposeAssistantViewController.h	1969-12-31 19:00:00
+++ /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFComposeAssistantViewController.h	2026-05-29 01:20:42
@@ -0,0 +1,29 @@
+//
+//  MFComposeAssistantViewController.h
+//  MessageUI
+//
+//  Copyright © 2025 Apple Inc. All rights reserved.
+//
+
+#import <MessageUI/MFMailDraft.h>
+
+#import <Foundation/Foundation.h>
+#import <UIKit/UIKit.h>
+
+@class MFComposeAssistantViewController;
+
+NS_ASSUME_NONNULL_BEGIN
+
+@protocol MFComposeAssistantViewControllerDelegate <NSObject>
+
+- (void)composeAssistantViewController:(MFComposeAssistantViewController *)controller didComposeDraft:(MFMailDraft *)draft;
+
+@end
+
+@interface MFComposeAssistantViewController: UIViewController
+
+- (instancetype)initWithDelegate:(id<MFComposeAssistantViewControllerDelegate>)delegate;
+
+@end
+
+NS_ASSUME_NONNULL_END
diff -ruN /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailDraft.h /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailDraft.h
--- /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailDraft.h	1969-12-31 19:00:00
+++ /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MFMailDraft.h	2026-05-29 01:20:42
@@ -0,0 +1,24 @@
+//
+//  MFMailDraft.h
+//  MessageUI
+//
+//  Copyright © 2025 Apple Inc. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface MFMailDraft: NSObject
+
+@property (nonatomic, nullable, readonly) NSString *from;
+@property (nonatomic, nonnull, readonly) NSString *subject;
+@property (nonatomic, nonnull, readonly) NSAttributedString *body;
+@property (nonatomic, nonnull, readonly) NSArray<NSString *> *to;
+@property (nonatomic, nonnull, readonly) NSArray<NSString *> *cc;
+
+- (instancetype)initWithSubject:(NSString *)subject body:(NSAttributedString *)body from:(NSString *)from to:(NSArray<NSString *> *)to cc:(NSArray<NSString *> *)cc;
+
+@end
+
+NS_ASSUME_NONNULL_END
diff -ruN /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MessageUI.h /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MessageUI.h
--- /Applications/Xcode_26.5.0.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MessageUI.h	2026-04-19 00:36:53
+++ /Applications/Xcode_27.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/MessageUI.framework/Headers/MessageUI.h	2026-05-29 01:20:42
@@ -6,7 +6,8 @@
  *
  */
 
-
+#import <MessageUI/MFComposeAssistantViewController.h>
 #import <MessageUI/MFMailComposeControllerDeferredAction.h>
 #import <MessageUI/MFMailComposeViewController.h>
+#import <MessageUI/MFMailDraft.h>
 #import <MessageUI/MFMessageComposeViewController.h>