https://api.drupal.org/api/drupal/core%21modules%21user%21src%21Plugin%21views%21filter%21Name.php/function/Name%3A%3AvalueForm/9
function Name::valueForm | Drupal API
functionnamedrupalapi
https://api.drupal.org/api/drupal/core%21modules%21views%21src%21Plugin%21views%21filter%21Date.php/function/Date%3A%3AvalueForm/10
function Date::valueForm | Drupal API
functiondatedrupalapi