registration.php

<?php
/**
 * Copyright © 2015-present ParadoxLabs, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Need help? Try our knowledgebase and support system:
 * @link https://support.paradoxlabs.com
 */

$dir = __DIR__;
$ds  = DIRECTORY_SEPARATOR;
if (isset($file) && strpos((string)$file, $ds . 'vendor' . $ds . 'composer' . $ds . '..') === false) {
    $dir = dirname((string)$file);
}

\Magento\Framework\Component\ComponentRegistrar::register(
    \Magento\Framework\Component\ComponentRegistrar::MODULE,
    'ParadoxLabs_Authnetcim',
    $dir
);