code: private function getChildModelCaption($metaModel, $screen)
      {
          $caption = [
              '',
              sprintf(
                  $GLOBALS['TL_LANG']['MSC']['metamodel_edit_as_child']['label'],
                  $metaModel->getName()
              )
          ];
  
          foreach ($screen['label'] as $langCode => $label) {
              if (!empty($label) && $langCode === $GLOBALS['TL_LANGUAGE']) {
                  $caption = [
                      $screen['description'][$langCode],
                      $label
                  ];
              }
          }
  
          return $caption;
      }
docs: Create the caption text for the child model.
  
  @param IMetaModel $metaModel The child model.
  @param array      $screen    The input screen.
  
  @return array
  
  @SuppressWarnings(PHPMD.Superglobals)
  @SuppressWarnings(PHPMD.CamelCaseVariableName)