forum_access-8.x-1.0-alpha2/forum_access_migrate/forum_access_migrate.install

<?php

/**
 * @file
 * Forum Access migrate.
 */

/**
 * Implements hook_install().
 */
function forum_access_migrate_install() {
  // @todo WARNING: needs test!
  \Drupal::database()->delete('forum_access')
    ->execute();
  node_access_rebuild();
}