System.IO.File.Encrypt C# (CSharp) Метод

        public static void Encrypt(string path) { }
        public static bool Exists(string path) { throw null; }

 public static void Encrypt(string path)
 {
     if (_provider == null)
     {
         File.Encrypt(path);
     }
     else
     {
         _provider.Encrypt(path);
     }
 }