public function form(array $form, FormStateInterface $form_state) {
parent::form($form, $form_state);
/** @var FillPdfFormInterface $entity */
$entity = $this->getEntity();
$code = $this->serializer->getFormExportCode($entity);
$form = array();
$form['export'] = array(
'#type' => 'textarea',
'#title' => t('FillPDF form configuration and mappings'),
'#default_value' => $code,
'#rows' => 30,
'#description' => t('Copy this code and then on the site you want to import to, go to the Edit page for the FillPDF form for which you want to import these mappings, and paste it in there.'),
'#attributes' => array(
'style' => 'width: 97%;',
),
);
return $form;
}
