<?php

/**
 * @file
 * Test module.
 */

use Drupal\Core\Extension\Extension;

/**
 * Implements hook_system_info_alter().
 *
 * Manipulate module dependencies to test dependency chains.
 */
function module_required_test_system_info_alter(&$info, Extension $file, $type) {
  if ($file->getName() == 'module_required_test' && \Drupal::state()->get('module_required_test.hook_system_info_alter')) {
    $info['required'] = TRUE;
    $info['explanation'] = 'Testing hook_system_info_alter()';
  }
}