protected override void OnCompleteTypeSet(
ITypeCompletionContext context,
UnionTypeDefinition definition,
ISet <ObjectType> typeSet)
{
base.OnCompleteTypeSet(context, definition, typeSet);
Type markerType = definition.RuntimeType;
if (markerType != typeof(object))
{
foreach (ObjectType type in context.GetTypes <ObjectType>())
{
if (type.RuntimeType != typeof(object) &&
markerType.IsAssignableFrom(type.RuntimeType))
{
typeSet.Add(type);
}
}
}
}