protected override XTypeDefinition CreateXType(XTypeDefinition parentXType)
{
var typeDef = (XBuilder.ILTypeDefinition)XBuilder.AsTypeReference(Compiler.Module, Type)
.Resolve();
string name = NameConverter.GetNullableClassName(typeDef.Name);
XSyntheticTypeFlags xflags = default(XSyntheticTypeFlags);
return(XSyntheticTypeDefinition.Create(Compiler.Module, parentXType, xflags,
typeDef.Namespace, name,
Compiler.Module.TypeSystem.Object,
string.Join(":", Type.Scope.Name, Type.MetadataToken.ToScopeId(), "Nullable")));
}