docs: def get_group_hidden(self):
          """Determine if the entire group of elements is hidden
          (decide whether to hide the entire group).
          """
          # Loop through all the elements in the group.
          for element in self.group_list:
              # Handle element that is not hidden or has a form.
              if element.form.view_type != 'none':
                  return False
              # Loop through the children to make sure elements aren't hidden.
              for child_element in element.children:
                  # Handle child element that is not hidden or has a form.
                  if child_element.form.view_type != 'none':
                      return False
          return True