docker-roundcube-server/roundcube/roundcubemail-1.2.2/plugins/jqueryui/config.inc.php.dist

<?php

// if you want to load localization strings for specific sub-libraries of jquery-ui, configure them here 
$config['jquery_ui_i18n'] = array('datepicker');

// map Roundcube skins with jquery-ui themes here
$config['jquery_ui_skin_map'] = array(
  'larry' => 'larry',
  'default' => 'larry',
  'groupvice4' => 'redmond',
);

?>