migrate_remote_destination.module

<?php

use Drupal\Component\Utility\NestedArray;

/**
 * Implements hook_migration_plugins_alter().
 */
function migrate_remote_destination_migration_plugins_alter(array &$migrations) {
  if ($to_merge = array_intersect_key(\Drupal::config('migrate_remote_destination.settings')->get(), $migrations)) {
    $migrations = NestedArray::mergeDeep($migrations, $to_merge);
  }
}