Adapt to some changes in how unchecked Sendable conformance is declared

Author: parkera

Sources/Foundation/AffineTransform.swift

@@ -413,7 +413,7 @@ public struct NSAffineTransformStruct : Sendable {
 }
 
 @available(*, unavailable)
-extension NSAffineTransform : Sendable { }
+extension NSAffineTransform : @unchecked Sendable { }
 
 open class NSAffineTransform: NSObject {
     // Internal only for testing.

Sources/Foundation/ByteCountFormatter.swift

@@ -40,7 +40,7 @@ extension ByteCountFormatter {
 }
 
 @available(*, unavailable)
-extension ByteCountFormatter : Sendable { }
+extension ByteCountFormatter : @unchecked Sendable { }
 
 open class ByteCountFormatter : Formatter {
     public override init() {

Sources/Foundation/CharacterSet.swift

@@ -18,7 +18,7 @@ private func _utfRangeToNSRange(_ inRange : ClosedRange<UnicodeScalar>) -> NSRan
     return NSRange(location: Int(inRange.lowerBound.value), length: Int(inRange.upperBound.value - inRange.lowerBound.value + 1))
 }
 
-internal final class _SwiftNSCharacterSet : NSCharacterSet, _SwiftNativeFoundationType, @unchecked Sendable {
+internal final class _SwiftNSCharacterSet : NSCharacterSet, _SwiftNativeFoundationType {
     internal typealias ImmutableType = NSCharacterSet
     internal typealias MutableType = NSMutableCharacterSet
 
@@ -114,7 +114,7 @@ public struct CharacterSet : ReferenceConvertible, Equatable, Hashable, SetAlgeb
     internal typealias ImmutableType = SwiftNSWrapping.ImmutableType
     internal typealias MutableType = SwiftNSWrapping.MutableType
 
-    internal var _wrapped : _SwiftNSCharacterSet
+    internal nonisolated(unsafe) var _wrapped : _SwiftNSCharacterSet
 
     // MARK: Init methods
 

Sources/Foundation/DispatchData+DataProtocol.swift

@@ -14,7 +14,7 @@
 import Dispatch
 
 @available(*, unavailable)
-extension DispatchData.Region : Sendable { }
+extension DispatchData.Region : @unchecked Sendable { }
 
 extension DispatchData : DataProtocol {
     public typealias Regions = [Region]

Sources/Foundation/EnergyFormatter.swift

@@ -61,7 +61,7 @@ extension EnergyFormatter {
 }
 
 @available(*, unavailable)
-extension EnergyFormatter : Sendable { }
+extension EnergyFormatter : @unchecked Sendable { }
 
 open class EnergyFormatter: Formatter {
 

Sources/Foundation/FileManager.swift

@@ -608,12 +608,6 @@ extension FileAttributeKey {
     internal static let _accessDate = FileAttributeKey(rawValue: "org.swift.Foundation.FileAttributeKey._accessDate")
 }
 
-@available(*, unavailable)
-extension FileManager.DirectoryEnumerator : Sendable { }
-
-@available(*, unavailable)
-extension FileManager.NSPathDirectoryEnumerator : Sendable { }
-
 extension FileManager {
     open class DirectoryEnumerator : NSEnumerator {
 

Sources/Foundation/Formatter.swift

@@ -43,9 +43,7 @@ extension Formatter {
     }
 }
 
-@available(*, unavailable)
-extension Formatter : Sendable { }
-
+//@_nonSendable
 open class Formatter : NSObject, NSCopying, NSCoding {
 
     public override init() {

Sources/Foundation/Host.swift

@@ -56,7 +56,7 @@ import WinSDK
 #endif
 
 @available(*, unavailable)
-extension Host : Sendable { }
+extension Host : @unchecked Sendable { }
 
 open class Host: NSObject {
     enum ResolveType {

Sources/Foundation/ISO8601DateFormatter.swift

@@ -49,7 +49,7 @@ extension ISO8601DateFormatter {
 }
 
 @available(*, unavailable)
-extension ISO8601DateFormatter : Sendable { }
+extension ISO8601DateFormatter : @unchecked Sendable { }
 
 open class ISO8601DateFormatter : Formatter, NSSecureCoding {
 

Sources/Foundation/JSONSerialization.swift

@@ -54,7 +54,7 @@ extension JSONSerialization {
 */
 
 @available(*, unavailable)
-extension JSONSerialization : Sendable { }
+extension JSONSerialization : @unchecked Sendable { }
 
 open class JSONSerialization : NSObject {