[PermissionSetAttribute(SecurityAction.InheritanceDemand, Name = "FullTrust")]
public partial class XmlSecureResolver : XmlResolver {
public override Task<object> GetEntityAsync(Uri absoluteUri, string role, Type ofObjectToReturn) {
-#if !DISABLE_CAS_USE
+#if FEATURE_MONO_CAS
permissionSet.PermitOnly();
#endif
return resolver.GetEntityAsync(absoluteUri, role, ofObjectToReturn);