void IdentityBinding.IUserAliasHandler.OnUserAlias(Android.IdentityBinding.MParticleUser previousUser, Android.IdentityBinding.MParticleUser newUser)
 {
     if (_handler != null)
     {
         MParticleUserWrapper boundPreviousUser = null;
         MParticleUserWrapper boundNewUser      = null;
         if (previousUser != null)
         {
             boundPreviousUser = new MParticleUserWrapper(previousUser);
         }
         if (newUser != null)
         {
             boundNewUser = new MParticleUserWrapper(newUser);
         }
         _handler.Invoke(boundPreviousUser, boundNewUser);
     }
 }
 internal MParticleUserWrapper(Android.IdentityBinding.MParticleUser user)
 {
     _user = user;
 }