FileProvider iOS 11.0 Beta 1 to Beta 2 API Differences

NSFileProviderEnumerating.h
Removed -[NSFileProviderEnumerator currentSyncAnchorWithCompletion:]
NSFileProviderError.h
NSFileProviderItem.h
NSFileProviderManager.h
Removed +[NSFileProviderManager addDomain:completion:]
Removed +[NSFileProviderManager removeDomain:completion:]
Removed -[NSFileProviderManager signalEnumeratorForContainerItemIdentifier:]
Removed -[NSFileProviderManager registerURLSessionTask:forItemWithIdentifier:]
Declaration
From+ (nonnull instancetype)defaultManager
To@property (class, readonly, strong, nonnull) NSFileProviderManager *defaultManager

NSFileProviderMessaging.h
Removed -[NSFileProviderExtension supportedMessageInterfaceNamesForItemWithIdentifier:]
Removed -[NSFileProviderExtension protocolForMessageInterface:]
Removed -[NSFileProviderExtension exportedObjectForMessageInterface:itemIdentifier:error:]
NSFileProviderService.h