class XMLNode;
+namespace PBD {
+ class ID;
+}
+
namespace ARDOUR {
class Playlist;
~SessionPlaylists ();
boost::shared_ptr<Playlist> by_name (std::string name);
+ boost::shared_ptr<Playlist> by_id (const PBD::ID&);
uint32_t source_use_count (boost::shared_ptr<const Source> src) const;
template<class T> void foreach (T *obj, void (T::*func)(boost::shared_ptr<Playlist>));
void get (std::vector<boost::shared_ptr<Playlist> >&);