ModelIO tvOS xcode26.0 b1

#ModelIO.framework

diff -ruN /Applications/Xcode_16.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/ModelIO.framework/Headers/MDLUtility.h /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/ModelIO.framework/Headers/MDLUtility.h
--- /Applications/Xcode_16.4.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/ModelIO.framework/Headers/MDLUtility.h	2025-04-19 03:36:48
+++ /Applications/Xcode_26.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/ModelIO.framework/Headers/MDLUtility.h	2025-05-23 05:25:22
@@ -11,6 +11,7 @@
 #include <ModelIO/ModelIOExports.h>
 #include <ModelIO/MDLAsset.h>
 
+API_AVAILABLE(macos(15.0), ios(18.0), tvos(18.0))
 MDL_EXPORT
 @interface MDLUtility : NSObject
 +(void)convertToUSDZ:(nonnull NSURL*)inputURL writeToURL:(nonnull NSURL*)outputURL;