2 drupal.driver.drush.class: Drupal\Driver\DrushDriver
5 drupal.random.class: Drupal\Component\Utility\Random
9 class: %drupal.random.class%
11 class: %drupal.driver.drush.class%
13 - %drupal.driver.drush.alias%
14 - %drupal.driver.drush.root%
15 - %drupal.driver.drush.binary%
16 - "@drupal.driver.random"
18 - { name: drupal.driver, alias: drush }