(ties ,ly:grob-array? "A grob array of @code{Tie} objects.")
(tremolo-flag ,ly:grob? "The tremolo object on a stem.")
(tuplet-number ,ly:grob? "The number for a bracket.")
+ (tuplet-start ,boolean? "Is stem at the start of a tuplet?")
(tuplets ,ly:grob-array? "An array of smaller tuplet brackets.")
(X-colliding-grobs ,ly:grob-array? "Grobs that can collide
with a self-aligned grob on the X-axis.")