* @ContentEntityType(
* id = "contact_message",
* label = @Translation("Contact message"),
+ * label_collection = @Translation("Contact messages"),
+ * label_singular = @Translation("contact message"),
+ * label_plural = @Translation("contact messages"),
+ * label_count = @PluralTranslation(
+ * singular = "@count contact message",
+ * plural = "@count contact messages",
+ * ),
* bundle_label = @Translation("Contact form"),
* handlers = {
* "access" = "Drupal\contact\ContactMessageAccessControlHandler",