language prefixes

/conditional_message/src/Entity/ConditionalMessage.php

  public function getPathOptions() {
    $path_options = [];
    $path_values = $this->get('path_options')->getValue();
    foreach ($path_values as $raw_value) { //drupal_set_message('1) '.$raw_value['value']);
/*WT+ language prefixes */
      //array_push($path_options, $raw_value['value']);
		if( $languages_prefixes = \Drupal::config('language.negotiation')->get('url.prefixes') ) {
			foreach($languages_prefixes as $id => $pref) {
				$pref = ($pref) ? '/' . $pref : '/' ;
				$value_lp = ($raw_value['value'] != '/') ? $pref . $raw_value['value'] : $pref ;
				$value_lp = str_replace('//', '/', $value_lp); //drupal_set_message('2) '. $value_lp);
				array_push($path_options, $value_lp);
			}
		}
    }
    return $path_options;
  }