CoreImage tvOS xcode16.0 b6

#CoreImage.framework https://github.com/xamarin/xamarin-macios/pull/21117

diff -ruN /Applications/Xcode_16.0.0-beta5.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CIContext.h /Applications/Xcode_16.0.0-beta6.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CIContext.h
--- /Applications/Xcode_16.0.0-beta5.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CIContext.h	2024-07-26 14:33:53
+++ /Applications/Xcode_16.0.0-beta6.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CIContext.h	2024-08-06 16:11:17
@@ -428,6 +428,12 @@
 //
 CORE_IMAGE_EXPORT CIImageRepresentationOption const kCIImageRepresentationHDRImage NS_AVAILABLE(15_0, 18_0);
 
+// The value for kCIImageRepresentationHDRGainMapImage should be a monochome CIImage object.
+// The image.properties should contain information equivalent to what is returned when initialtizing
+// an image using the kCIImageAuxiliaryHDRGainMap option.
+//
+CORE_IMAGE_EXPORT CIImageRepresentationOption const kCIImageRepresentationHDRGainMapImage NS_AVAILABLE(11_0, 14_1);
+
 
 /* Render a CIImage to TIFF data. Image must have a finite non-empty extent. */
 /* The CGColorSpace must be kCGColorSpaceModelRGB or kCGColorSpaceModelMonochrome */
diff -ruN /Applications/Xcode_16.0.0-beta5.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CoreImage.apinotes /Applications/Xcode_16.0.0-beta6.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CoreImage.apinotes
--- /Applications/Xcode_16.0.0-beta5.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CoreImage.apinotes	2024-07-25 16:22:50
+++ /Applications/Xcode_16.0.0-beta6.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/CoreImage.framework/Headers/CoreImage.apinotes	2024-08-06 17:00:36
@@ -152,6 +152,10 @@
 - Name: kCIImageContentHeadroom
   SwiftName: contentHeadroom
 
+# CIImageRepresentationOption
+- Name: kCIImageRepresentationHDRGainMapImage
+  SwiftName: hdrGainMapImage
+
 # CIImageOptions - Private
 - Name: kCIImageFlipped
   SwiftName: flipped