config_test.install

<?php


/**
 * @file
 * Install, update and uninstall functions for the config_test module.
 */

/**
 * Implements hook_install().
 */
function config_test_install($is_syncing) : void {
    $secondary_write = \Drupal::state()->get('config_test_install.foo_value');
    if ($secondary_write !== NULL) {
        \Drupal::configFactory()->getEditable('config_test.system')
            ->set('foo', $secondary_write)
            ->save();
    }
}