icingaweb2-module-director/application/views/scripts/config/file.phtml

<div class="controls">
<?= $this->tabs ?>
<h1><?= $title ?></h1>
<span class="action-links" data-base-target="_self">
<?= $this->addLink ?>
</span>
</div>

<div class="content">
<pre>
<?= $this->escape($file->getContent()) ?>
</pre>
</div>