#if MONO_SECURITY_ALIAS
extern alias MonoSecurity;
#endif
-#if MONO_X509_ALIAS
-extern alias PrebuiltSystem;
-#endif
#if MONO_SECURITY_ALIAS
using MonoSecurity::Mono.Security.Interface;
#else
using Mono.Security.Interface;
#endif
-#if MONO_X509_ALIAS
-using XX509CertificateCollection = PrebuiltSystem::System.Security.Cryptography.X509Certificates.X509CertificateCollection;
-#else
using XX509CertificateCollection = System.Security.Cryptography.X509Certificates.X509CertificateCollection;
#endif
-#endif
using System;
using System.IO;