* @ConfigEntityType(
* id = "contact_form",
* label = @Translation("Contact form"),
+ * label_collection = @Translation("Contact forms"),
+ * label_singular = @Translation("contact form"),
+ * label_plural = @Translation("contact forms"),
+ * label_count = @PluralTranslation(
+ * singular = "@count contact form",
+ * plural = "@count contact forms",
+ * ),
* handlers = {
* "access" = "Drupal\contact\ContactFormAccessControlHandler",
* "list_builder" = "Drupal\contact\ContactFormListBuilder",