private void DoAddTitle(Boss boss)
{
if (boss.Has<ITextEditor>() && !boss.Has<IDocumentWindowTitle>())
{
var editor = boss.Get<ITextEditor>();
if (editor.Path != null && editor.Path.StartsWith(m_timeMachineDir))
{
boss.ExtendWithInterface(typeof(TimeMachineWindowTitle), typeof(IDocumentWindowTitle));
}
}
}