class SearchLangcodeTestHooks

class SearchLangcodeTestHooks {
    
    /**
     * Implements hook_search_preprocess().
     */
    public function searchPreprocess($text, $langcode = NULL) {
        if (isset($langcode) && $langcode == 'en') {
            // Add the alternate verb forms for the word "testing".
            if ($text == 'we are testing') {
                $text .= ' test tested';
            }
            else {
                \Drupal::messenger()->addStatus('Langcode Preprocess Test: ' . $langcode);
                $text .= 'Additional text';
            }
        }
        elseif (isset($langcode)) {
            \Drupal::messenger()->addStatus('Langcode Preprocess Test: ' . $langcode);
            // Preprocessing for the excerpt test.
            if ($langcode == 'ex') {
                $text = str_replace('finding', 'find', $text);
                $text = str_replace('finds', 'find', $text);
                $text = str_replace('dic', ' dependency injection container', $text);
                $text = str_replace('hypertext markup language', 'html', $text);
            }
        }
        return $text;
    }

}