The spec for this action:
https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf#G11.2111850
An example of a form using this action:
https://www2.illinois.gov/rev/forms/reg/Documents/reg-1-mr.pdf
const obj = this._catDict.get("Names");
    if (obj && obj.has("Dests")) {
      return new NameTree(obj.getRaw("Dests"), this.xref);
    } else if (this._catDict.has("Dests")) {
      
      return this._catDict.get("Dests");
    }
    return undefined;
  }
  get pageLabels() {
    let obj = null;
    try {
      obj = this._readPageLabels();
    } catch (ex) {
      if (ex instanceof MissingDataException) {
        throw ex;
      }
      warn("Unable to read page labels.");
    }
    return shadow(this, "pageLabels", obj);
  }
  /**
   * @private
   */
  _readPageLabels() {