CoreVideo iOS xcode13.0 beta2

#CoreVideo.framework https://github.com/xamarin/xamarin-macios/pull/12257

diff -ruN /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVBuffer.h /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVBuffer.h
--- /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVBuffer.h	2021-06-02 07:35:04.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVBuffer.h	2021-06-22 17:32:36.000000000 -0400
@@ -2,7 +2,7 @@
  *  CVBuffer.h
  *  CoreVideo
  *
- *  Copyright (c) 2004-2015 Apple Inc. All rights reserved.
+ *  Copyright (c) 2004-2017,2021 Apple Inc. All rights reserved.
  *
  */
  
@@ -12,7 +12,7 @@
     @discussion CVBufferRef types are abstract and only define ways to attach meta data to buffers (such as timestamps,
 	        colorspace information, etc.).    CVBufferRefs do not imply any particular kind of data storage.  It could
 		be compressed data, image data, etc.
-		   
+		
 */
 
 #if !defined(__COREVIDEO_CVBUFFER_H__)
@@ -103,7 +103,7 @@
     @param      attachmentMode.  Returns the mode of the attachment, if desired.  May be NULL.
     @result     If found the attachment object
 */
-CV_EXPORT CFTypeRef CV_NULLABLE CVBufferGetAttachment( CVBufferRef CV_NONNULL buffer, CFStringRef CV_NONNULL key, CVAttachmentMode * CV_NULLABLE attachmentMode ) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
+CV_EXPORT CFTypeRef CV_NULLABLE CVBufferGetAttachment( CVBufferRef CV_NONNULL buffer, CFStringRef CV_NONNULL key, CVAttachmentMode * CV_NULLABLE attachmentMode )  API_DEPRECATED_WITH_REPLACEMENT("CVBufferCopyAttachment", macos(10.4, 12.0), ios(4.0,15.0), tvos(9.0, 15.0), watchos(4.0, 8.0));
 
 /*!
     @function   CVBufferRemoveAttachment
@@ -130,7 +130,7 @@
     @result     A CFDictionary with all buffer attachments identified by there keys. If no attachment is present, the dictionary is empty.  Returns NULL
 		for invalid attachment mode.
 */
-CV_EXPORT CFDictionaryRef CF_RETURNS_NOT_RETAINED CV_NULLABLE CVBufferGetAttachments( CVBufferRef CV_NONNULL buffer, CVAttachmentMode attachmentMode ) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
+CV_EXPORT CFDictionaryRef CF_RETURNS_NOT_RETAINED CV_NULLABLE CVBufferGetAttachments( CVBufferRef CV_NONNULL buffer, CVAttachmentMode attachmentMode ) API_DEPRECATED_WITH_REPLACEMENT("CVBufferCopyAttachments", macos(10.4, 12.0), ios(4.0,15.0), tvos(9.0, 15.0), watchos(4.0, 8.0));
 
 /*!
     @function   CVBufferSetAttachments
@@ -150,6 +150,26 @@
 */
 CV_EXPORT void  CVBufferPropagateAttachments( CVBufferRef CV_NONNULL sourceBuffer, CVBufferRef CV_NONNULL destinationBuffer ) __OSX_AVAILABLE_STARTING(__MAC_10_4,__IPHONE_4_0);
 
+/*!
+    @function   CVBufferCopyAttachments
+    @abstract   Returns a copy of all attachments of a CVBuffer object. It is the caller’s responsibility to release the returned dictionary.
+    @discussion CVBufferCopyAttachments is a convenience call that returns a copy of all attachments with their corresponding keys in a CFDictionary.
+    @param      buffer  Target CVBuffer object.
+    @result     A CFDictionary with all buffer attachments identified by their keys. If no attachment is present or invalid attachment mode,   returns NULL
+*/
+CV_EXPORT CFDictionaryRef CF_RETURNS_RETAINED CV_NULLABLE CVBufferCopyAttachments( CVBufferRef CV_NONNULL buffer, CVAttachmentMode attachmentMode ) API_AVAILABLE(macos(12.0), ios(15.0), tvos(15.0), watchos(8.0));
+
+/*!
+    @function   CVBufferCopyAttachment
+    @abstract   Returns a retained specific attachment of a CVBuffer object. It is the caller’s responsibility to release the returned value.
+    @discussion You can attach any CF object to a CVBuffer object to store additional information. CVBufferCopyAttachment retrieves a retained attachment identified by a key.
+    @param      buffer  Target CVBuffer object.
+    @param      key    Key in form of a CFString identifying the desired attachment.
+    @param      attachmentMode.  Returns the mode of the attachment, if desired.  May be NULL.
+    @result     If found the attachment object, return the value; otherwize, return NULL.
+*/
+CV_EXPORT CFTypeRef CV_NULLABLE CF_RETURNS_RETAINED CVBufferCopyAttachment( CVBufferRef CV_NONNULL buffer, CFStringRef CV_NONNULL key, CVAttachmentMode * CV_NULLABLE attachmentMode ) API_AVAILABLE(macos(12.0), ios(15.0), tvos(15.0), watchos(8.0));
+
 #if defined(__cplusplus)
 }
 #endif
diff -ruN /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h
--- /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2021-06-02 12:42:58.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS.sdk/System/Library/Frameworks/CoreVideo.framework/Headers/CVImageBuffer.h	2021-06-17 04:14:46.000000000 -0400
@@ -2,7 +2,7 @@
  *  CVImageBuffer.h
  *  CoreVideo
  *
- *  Copyright (c) 2004-2015 Apple Inc. All rights reserved.
+ *  Copyright (c) 2004-2021 Apple Inc. All rights reserved.
  *
  */
  
@@ -11,7 +11,7 @@
 	@availability Mac OS X 10.4 or later, and iOS 4.0 or later
     @discussion CVImageBufferRef types are abstract and define various attachments and convenience
 		calls for retreiving image related bits of data.
-		   
+		
 */
 
 #if !defined(__COREVIDEO_CVIMAGEBUFFER_H__)
@@ -201,7 +201,7 @@
 /*!
    @function   CVImageBufferCreateColorSpaceFromAttachments
    @abstract   Attempts to synthesize a CGColorSpace from an image buffer's attachments.
-   @param      attachments A CFDictionary of attachments for an image buffer, obtained using CVBufferGetAttachments().
+   @param      attachments A CFDictionary of attachments for an image buffer, obtained using CVBufferCopyAttachments().
    @result     A CGColorSpaceRef representing the color space of the buffer.
 		Returns NULL if the attachments dictionary does not contain the information required to synthesize a CGColorSpace.
    @discussion
@@ -220,7 +220,7 @@
 CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferContentLightLevelInfoKey __OSX_AVAILABLE_STARTING(__MAC_10_13,__IPHONE_11_0);
 
 // CFData (8 bytes) containing big-endian data matching payload of Ambient Viewing Environment SEI message
-CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAmbientViewingEnvironmentKey __OSX_AVAILABLE_STARTING(__MAC_10_15,__IPHONE_13_0);
+CV_EXPORT const CFStringRef CV_NONNULL kCVImageBufferAmbientViewingEnvironmentKey API_AVAILABLE(macosx(12.0), ios(15.0), tvos(15.0), watchos(8.0));
 
 /*!
 	@constant    kCVImageBufferRegionOfInterestKey