#if SECURITY_DEP
+#if MONOTOUCH || MONODROID
+using Mono.Security.Protocol.Tls;
+#else
extern alias MonoSecurity;
+using MonoSecurity::Mono.Security.Protocol.Tls;
+#endif
using System.IO;
using System.Net.Sockets;
using System.Threading;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
-using MonoSecurity::Mono.Security.Protocol.Tls;
namespace System.Net {
sealed class HttpConnection