@libraz/libcantus - v1.1.0
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    Type Alias OnsetTieBreak

    OnsetTieBreak: "highest" | "lowest" | "last"

    Which note wins when several sound from the same onset.

    'highest' and 'lowest' name a voice, so the answer does not depend on the order the caller happened to store the chord in; 'last' takes the one latest in the input array. Two notes of the same pitch name no voice apart, so both voice tie-breaks settle a unison on the lower originalIndex and name the same note.