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
unreachable("Abstract method `AnnotationElement.render` called");
  }
  /**
   * @private
   * @returns {Array}
   */
  _getElementsByName(name, skipId = null) {
    const fields = [];
    if (this._fieldObjects) {
      const fieldObj = this._fieldObjects[name];
      if (fieldObj) {
        for (const { page, id, exportValues } of fieldObj) {
          if (page === -1) {
            continue;
          }
          if (id === skipId) {
            continue;
          }
          const exportValue =
            typeof exportValues === "string" ? exportValues : null;
          const domElement = document.getElementById(id);
          if (domElement && !GetElementsByNameSet.has(domElement)) {
            warn(`_getElementsByName - element not allowed: ${id}`);