code: @Override
      public java.util.Iterator<com.google.api.ads.admanager.axis.v201805.User> iterator() {
          if (results == null) {
              return java.util.Collections.<com.google.api.ads.admanager.axis.v201805.User>emptyIterator();
          }
          return java.util.Arrays.<com.google.api.ads.admanager.axis.v201805.User>asList(results).iterator();
      }
docs: Returns an iterator over this page's {@code results} that:
  <ul>
  <li>Will not be {@code null}.</li>
  <li>Will not support {@link java.util.Iterator#remove()}.</li>
  </ul>
  
  @return a non-null iterator.