void EmitIndexerName ()
{
if (!has_normal_indexers)
return;
var ctor = Module.PredefinedMembers.DefaultMemberAttributeCtor.Get ();
if (ctor == null)
return;
var encoder = new AttributeEncoder ();
encoder.Encode (GetAttributeDefaultMember ());
encoder.EncodeEmptyNamedArguments ();
TypeBuilder.SetCustomAttribute ((ConstructorInfo) ctor.GetMetaInfo (), encoder.ToArray ());
}