consent-8.x-1.0-alpha5/modules/consent_iframe/consent_iframe.module

<?php

/**
 * @file
 * Consent iFrame module file.
 */

/**
 * Implements hook_theme().
 */
function consent_iframe_theme($existing, $type, $theme, $path) {
  return [
    'oil_iframe' => [
      'variables' => ['config' => []],
      'file' => 'consent_iframe.theme.inc',
    ],
  ];
}