+
+#include <gtkmm/messagedialog.h>
+
+#include "gtkmm2ext/choice.h"
+
+#include "pbd/pthread_utils.h"
+
+#include "ardour/audio_diskstream.h"
+#include "ardour/audio_track.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/audiofilesource.h"
+#include "ardour/audioplaylist.h"
+#include "ardour/audioregion.h"
+#include "ardour/chan_count.h"
+#include "ardour/midi_region.h"
+#include "ardour/session.h"
+#include "ardour/session_directory.h"
+#include "ardour/source_factory.h"
+#include "ardour/types.h"
+
+#include "audio_region_view.h"
+#include "audio_time_axis.h"