The Staffline to get the count of
This method is called for each note, and should make any necessary position changes based on the number of stafflines, clef, etc.
The note to be checked/positioned
the newly positioned note
This method is called for each note during the calc phase. We want to track all possible positions to make decisions during layout about where notes should be positioned. This directly puts notes that share a line to the same position, regardless of voice
The note to be checked/positioned
Get the number of unique "voices" or note positions