static bool shift_less (Grob *const &, Grob *const &);
static Direction dir (Grob *me);
static Grob *accidentals (Grob *me);
- static Grob *arpeggio (Grob *me);
static Slice head_positions_interval (Grob *me);
static Grob *first_head (Grob *me);
static Grob *get_rest (Grob *me);
static bool has_rests (Grob *me);
static Grob *dot_column (Grob *me);
static Interval cross_staff_extent (Grob *me, Grob *refp);
- static Interval accidental_width (Grob *me);
DECLARE_GROB_INTERFACE ();
static Item *get_stem (Grob *);