entity_test_update.install in Drupal 8

File

core/modules/system/tests/modules/entity_test_update/entity_test_update.install

<?php

/**
 * @file
 * Install, update and uninstall functions for the Entity Test Update module.
 */
$index = \Drupal::state()
  ->get('entity_test_update.db_updates.entity_rev_pub_updates');
module_load_include('inc', 'entity_test_update', 'update/entity_rev_pub_updates_' . $index);