+<?php
+// Own namespace
+namespace Org\Mxchange\CoreFramework\Template\Xml;
+
+// Import framework stuff
+use Org\Mxchange\CoreFramework\Template\CompileableTemplate;
+
+/**
+ * An interface for template engines
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 - 2020 Core Developer Team
+ * @license GNU GPL 3.0 or any newer version
+ * @link http://www.shipsimu.org
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+interface CompileableXmlTemplate extends CompileableTemplate {
+
+ /**
+ * Renders the given XML content
+ *
+ * @param $content Valid XML content or if not set the current loaded raw content
+ * @return void
+ * @throws XmlParserException If an XML error was found
+ */
+ function renderXmlContent (string $content = NULL);
+
+ /**
+ * Enables or disables XML compacting
+ *
+ * @param $xmlCompacting New XML compacting setting
+ * @return void
+ */
+ function enableXmlCompacting (bool $xmlCompacting = true);
+
+ /**
+ * Checks whether XML compacting is enabled
+ *
+ * @return $xmlCompacting Whether XML compacting is enabled or disabled
+ */
+ function isXmlCompactingEnabled ();
+
+ /**
+ * Removes all comments, tabs and new-line charcters to compact the content
+ *
+ * @param $uncompactedContent The uncompacted content
+ * @return $compactedContent The compacted content
+ */
+ function compactContent (string $uncompactedContent);
+
+}