FileProvider macOS 10.14 to 10.15 API Differences

NSFileProviderActions.h
Added NSFileProviderExtension (NSFileProviderActions)
NSFileProviderDomain.h
NSFileProviderEnumerating.h
Added NSFileProviderExtension (NSFileProviderEnumeration)
NSFileProviderError.h
Added NSError (NSFileProviderError)
NSFileProviderExtension.h
Added NSFileProviderItemField
Added NSFileProviderCreateItemOptions
Added NSFileProviderExtension (CreateItem)
Added NSFileProviderDeleteItemOptions
Added NSFileProviderExtension (DeleteItem)
Added NSFileProviderExtension (Import)
Added NSFileProviderExtension (Deprecated)
NSFileProviderItem.h
NSFileProviderItemDecoration.h
NSFileProviderManager.h
Added NSFileProviderManager (Import)
Added NSFileProviderDownloadPolicy
Added NSFileProviderManager (DownloadAndEviction)
NSFileProviderMaterializedSet.h
Added NSFileProviderExtension (MaterializedSet)
Added NSFileProviderManager (MaterializedSet)
NSFileProviderRequest.h
Added NSFileProviderExtension (Request)
NSFileProviderService.h
Added NSFileProviderExtension (NSFileProviderService)
NSFileProviderThumbnailing.h
Added NSFileProviderExtension (NSFileProviderThumbnailing)