Interface AbcElem

interface AbcElem {
    abselem?: AbsoluteElement;
    acc?: KeyAccidentalName;
    accidentals?: Accidental[];
    averagepitch?: number;
    barNumber?: number;
    beambr?: number;
    beat_division?: MeterFraction[];
    bpm?: number;
    chord?: ChordProperties[];
    clefPos?: number;
    cmd?: MidiCommands;
    color?: string;
    currentTrackMilliseconds?: number;
    currentTrackWholeNotes?: number | number[];
    decoration?: Decorations[];
    direction?: StemDirection;
    duration?: number | number[];
    el_type: AbcElemType;
    endBeam?: true;
    endChar?: number;
    endEnding?: true;
    endSlur?: number[];
    endTriplet?: true;
    fonts?: AbcElemFonts;
    gap?: number;
    grace?: true;
    gracenotes?: AbcElemGraceNote[];
    head?: NoteHeadType;
    lyric?: { divider: " " | "-" | "_"; syllable: string }[];
    maxpitch?: number;
    midiGraceNotePitches?: MidiGracePitches;
    midiPitches?: MidiPitches;
    minpitch?: number;
    mode?: Mode;
    noStem?: true;
    notes?: any[];
    overlay?: VoiceItemNote[];
    params?: (string | number)[];
    pitches?: AbcElemPitch[];
    positioning?: AbcElemPositioning;
    postString?: string;
    preString?: string;
    rest?: AbcElemRest;
    root?: KeyRoot;
    size?: number;
    stafflines?: number;
    staffscale?: number;
    startBeam?: true;
    startChar?: number;
    startEnding?: string;
    startSlur?: SlurProperties[];
    startTriplet?: number;
    stemConnectsToAbove?: true;
    steps?: number;
    style?: NoteHeadType;
    suppress?: true;
    suppressBpm?: true;
    text?: string | number;
    title?: string;
    transpose?: number;
    tripletMultiplier?: number;
    tripletR?: number;
    type?: string;
    value?: MeterFraction[];
    verticalPos?: number;
}