A note sounding with a Conflict that raises a pairwise flag against it.
The partner's track index in the caller's input array.
Optional
The partner note's index in that track's own note array.
The id the partner note carries in TrackAnalysis.notes.
The pairwise flags this note raises, as SafetyPartner.reasons.
A note sounding with a Conflict that raises a pairwise flag against it.