Type alias LevelAttributes

LevelAttributes: {
    bracket: "yes" | "no" | null;
    parentheses: "yes" | "no" | null;
    reference: "yes" | "no" | null;
    size: "cue" | "full" | "grace-cue" | "large" | null;
    type: "start" | "stop" | "single" | null;
}