Interface VoiceItemNote

interface VoiceItemNote {
    duration: number;
    el_type: "note";
    endChar: number;
    pitches?: {
        accidental?: AccidentalName;
        endSlur?: number[];
        endTie?: boolean;
        name: string;
        pitch: number;
        startSlur?: { label: number }[];
        startTie?: {};
        verticalPos: number;
    }[];
    rest?: {
        text?: number;
        type: | "spacer"
        | "rest"
        | "invisible"
        | "invisible-multimeasure"
        | "multimeasure";
    };
    startChar: number;
}