Function VN

resources/vega.min.js:30418–30420

(t, e)

    return new YN(t, e, n, r);
  }
  function VN(t, e) {
    return GN("operator", t, e);
  }
  function XN(t) {
    const e = { $ref: t.id };
    return (t.id < 0 && (t.refs = t.refs || []).push(e), e);