Foundation macOS xcode16.3 b2

#Foundation.framework https://github.com/dotnet/macios/pull/22351

diff -ruN /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h
--- /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h	2025-02-07 21:01:40
+++ /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLError.h	2025-02-22 09:07:13
@@ -39,14 +39,14 @@
     @abstract The NSError userInfo dictionary key used to store and retrieve the NSString object for the URL which caused a load to fail.
     @discussion This constant supersedes NSErrorFailingURLStringKey, which was deprecated in Mac OS X 10.6.  Both constants refer to the same value for backward-compatibility, but this symbol name has a better prefix.
 */
-FOUNDATION_EXPORT NSString * const NSURLErrorFailingURLStringErrorKey API_AVAILABLE(macos(10.6), ios(4.0), watchos(2.0), tvos(9.0));
+FOUNDATION_EXPORT NSString * const NSURLErrorFailingURLStringErrorKey API_DEPRECATED("Use NSURLErrorFailingURLErrorKey instead", macos(10.6,15.4), ios(4.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 /*!
     @const NSErrorFailingURLStringKey
     @abstract The NSError userInfo dictionary key used to store and retrieve the NSString object for the URL which caused a load to fail.
     @discussion This constant is deprecated in Mac OS X 10.6, and is superseded by NSURLErrorFailingURLStringErrorKey.  Both constants refer to the same value for backward-compatibility, but the new symbol name has a better prefix.
 */
-FOUNDATION_EXPORT NSString * const NSErrorFailingURLStringKey API_DEPRECATED("Use NSURLErrorFailingURLStringErrorKey instead", macos(10.0,10.6), ios(2.0,4.0), watchos(2.0,2.0), tvos(9.0,9.0));
+FOUNDATION_EXPORT NSString * const NSErrorFailingURLStringKey API_DEPRECATED("Use NSURLErrorFailingURLErrorKey instead", macos(10.0,10.6), ios(2.0,4.0), watchos(2.0,2.0), tvos(9.0,9.0));
 
 /*!
     @const NSURLErrorFailingURLPeerTrustErrorKey
diff -ruN /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLProtectionSpace.h /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLProtectionSpace.h
--- /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLProtectionSpace.h	2025-02-07 18:46:57
+++ /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLProtectionSpace.h	2025-02-22 12:23:49
@@ -30,7 +30,7 @@
    @const NSURLProtectionSpaceFTP
    @abstract The protocol for FTP
 */
-FOUNDATION_EXPORT NSString * const NSURLProtectionSpaceFTP API_AVAILABLE(macos(10.5), ios(2.0), watchos(2.0), tvos(9.0));
+FOUNDATION_EXPORT NSString * const NSURLProtectionSpaceFTP API_DEPRECATED("FTP is deprecated and only supported in the classic loading mode", macos(10.5,15.4), ios(2.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 /*!
     @const NSURLProtectionSpaceHTTPProxy
@@ -48,7 +48,7 @@
     @const NSURLProtectionSpaceFTPProxy
     @abstract The proxy type for ftp proxies
 */
-FOUNDATION_EXPORT NSString * const NSURLProtectionSpaceFTPProxy API_AVAILABLE(macos(10.2), ios(2.0), watchos(2.0), tvos(9.0));
+FOUNDATION_EXPORT NSString * const NSURLProtectionSpaceFTPProxy API_DEPRECATED("FTP is deprecated and only supported in the classic loading mode", macos(10.2,15.4), ios(2.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 /*!
     @const NSURLProtectionSpaceSOCKSProxy
diff -ruN /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h
--- /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h	2025-02-07 18:30:52
+++ /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLRequest.h	2025-02-22 12:39:29
@@ -585,7 +585,7 @@
  is received.  NO if the receiver should wait for the previous response
  before transmitting.
  */
-@property (readonly) BOOL HTTPShouldUsePipelining API_AVAILABLE(macos(10.7), ios(4.0), watchos(2.0), tvos(9.0));
+@property (readonly) BOOL HTTPShouldUsePipelining API_DEPRECATED("Only supported in the classic loader, please adopt HTTP/2 and HTTP/3 instead", macos(10.7,15.4), ios(4.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 @end
 
@@ -687,7 +687,7 @@
  pipelining (disconnecting, sending resources misordered, omitting part of
  a resource, etc.).
  */
-@property BOOL HTTPShouldUsePipelining API_AVAILABLE(macos(10.7), ios(4.0), watchos(2.0), tvos(9.0));
+@property BOOL HTTPShouldUsePipelining API_DEPRECATED("Only supported in the classic loader, please adopt HTTP/2 and HTTP/3 instead", macos(10.7,15.4), ios(4.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 @end
 
diff -ruN /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h
--- /Applications/Xcode_16.3.0-beta.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h	2025-02-07 19:34:38
+++ /Applications/Xcode_16.3.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/Foundation.framework/Headers/NSURLSession.h	2025-02-23 13:51:39
@@ -811,7 +811,7 @@
 @property tls_protocol_version_t TLSMaximumSupportedProtocolVersion API_AVAILABLE(macos(10.15), ios(13.0), watchos(6.0), tvos(13.0));
 
 /* Allow the use of HTTP pipelining */
-@property BOOL HTTPShouldUsePipelining;
+@property BOOL HTTPShouldUsePipelining API_DEPRECATED("Only supported in the classic loader, please adopt HTTP/2 and HTTP/3 instead", macos(10.9,15.4), ios(7.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 /* Allow the session to set cookies on requests */
 @property BOOL HTTPShouldSetCookies;
@@ -835,10 +835,7 @@
 /* The URL resource cache, or nil to indicate that no caching is to be performed */
 @property (nullable, retain) NSURLCache *URLCache;
 
-/* Enable extended background idle mode for any tcp sockets created.    Enabling this mode asks the system to keep the socket open
- *  and delay reclaiming it when the process moves to the background (see https://developer.apple.com/library/ios/technotes/tn2277/_index.html) 
- */
-@property BOOL shouldUseExtendedBackgroundIdleMode API_AVAILABLE(macos(10.11), ios(9.0), watchos(2.0), tvos(9.0));
+@property BOOL shouldUseExtendedBackgroundIdleMode API_DEPRECATED("Not supported", macos(10.11,15.4), ios(9.0,18.4), watchos(2.0,11.4), tvos(9.0,18.4), visionos(1.0,2.4));
 
 /* An optional array of Class objects which subclass NSURLProtocol.
    The Class will be sent +canInitWithRequest: when determining if
@@ -854,7 +851,16 @@
 /* multipath service type to use for connections.  The default is NSURLSessionMultipathServiceTypeNone */
 @property NSURLSessionMultipathServiceType multipathServiceType API_AVAILABLE(ios(11.0)) API_UNAVAILABLE(macos, watchos, tvos);
 
+/*
+ * Uses the classic network loader.
+ *
+ * NOTE: FTP and HTTP/1 pipelining are only supported in the classic loading mode.
+ *
+ * Defaults to YES. The default may be NO in a future OS update.
+ */
+@property BOOL usesClassicLoadingMode API_AVAILABLE(macos(15.4), ios(18.4), watchos(11.4), tvos(18.4), visionos(2.4));
 
+
 - (instancetype)init API_DEPRECATED("Please use NSURLSessionConfiguration.defaultSessionConfiguration or other class methods to create instances", macos(10.9,10.15), ios(7.0,13.0), watchos(2.0,6.0), tvos(9.0,13.0));
 + (instancetype)new API_DEPRECATED("Please use NSURLSessionConfiguration.defaultSessionConfiguration or other class methods to create instances", macos(10.9,10.15), ios(7.0,13.0), watchos(2.0,6.0), tvos(9.0,13.0));
 
@@ -1220,7 +1226,7 @@
 typedef NS_ENUM(NSInteger, NSURLSessionTaskMetricsResourceFetchType) {
     NSURLSessionTaskMetricsResourceFetchTypeUnknown,
     NSURLSessionTaskMetricsResourceFetchTypeNetworkLoad,   /* The resource was loaded over the network. */
-    NSURLSessionTaskMetricsResourceFetchTypeServerPush,    /* The resource was pushed by the server to the client. */
+    NSURLSessionTaskMetricsResourceFetchTypeServerPush API_DEPRECATED("Server push is no longer supported as of iOS 17 and aligned releases", macos(10.12,15.4), ios(10.0,18.4), watchos(3.0,11.4), tvos(10.0,18.4), visionos(1.0,2.4)),    /* The resource was pushed by the server to the client. */
     NSURLSessionTaskMetricsResourceFetchTypeLocalCache,    /* The resource was retrieved from the local storage. */
 } API_AVAILABLE(macosx(10.12), ios(10.0), watchos(3.0), tvos(10.0));