Make URLResourceValues private properties internal (#1116)

Author: iCharlesHu

Sources/FoundationEssentials/URL/URL.swift

@@ -29,8 +29,8 @@ internal import CoreFoundation_Private.CFURL
 @available(macOS 10.10, iOS 8.0, watchOS 2.0, tvOS 9.0, *)
 public struct URLResourceValues {
 
-    fileprivate var _values: [URLResourceKey: Any]
-    fileprivate var _keys: Set<URLResourceKey>
+    var _values: [URLResourceKey: Any]
+    var _keys: Set<URLResourceKey>
 
     public init() {
         _values = [:]
@@ -49,19 +49,19 @@ public struct URLResourceValues {
         _keys = Set(values.keys)
     }
 
-    private func contains(_ key: URLResourceKey) -> Bool {
+    func contains(_ key: URLResourceKey) -> Bool {
         return _keys.contains(key)
     }
 
-    private func _get<T>(_ key: URLResourceKey) -> T? {
+    func _get<T>(_ key: URLResourceKey) -> T? {
         return _values[key] as? T
     }
 
-    private func _get(_ key: URLResourceKey) -> Bool? {
+    func _get(_ key: URLResourceKey) -> Bool? {
         return (_values[key] as? NSNumber)?.boolValue
     }
 
-    private func _get(_ key: URLResourceKey) -> Int? {
+    func _get(_ key: URLResourceKey) -> Int? {
         return (_values[key] as? NSNumber)?.intValue
     }