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diff --git a/www/wiki/includes/linker/LinkTarget.php b/www/wiki/includes/linker/LinkTarget.php
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+++ b/www/wiki/includes/linker/LinkTarget.php
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+<?php
+/**
+ * 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 2 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, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * http://www.gnu.org/copyleft/gpl.html
+ *
+ * @file
+ * @author Addshore
+ */
+namespace MediaWiki\Linker;
+
+/**
+ * @since 1.27
+ */
+interface LinkTarget {
+
+	/**
+	 * Get the namespace index.
+	 * @since 1.27
+	 *
+	 * @return int Namespace index
+	 */
+	public function getNamespace();
+
+	/**
+	 * Convenience function to test if it is in the namespace
+	 * @since 1.27
+	 *
+	 * @param int $ns
+	 * @return bool
+	 */
+	public function inNamespace( $ns );
+
+	/**
+	 * Get the link fragment (i.e. the bit after the #) in text form.
+	 * @since 1.27
+	 *
+	 * @return string link fragment
+	 */
+	public function getFragment();
+
+	/**
+	 * Whether the link target has a fragment
+	 * @since 1.27
+	 *
+	 * @return bool
+	 */
+	public function hasFragment();
+
+	/**
+	 * Get the main part with underscores.
+	 * @since 1.27
+	 *
+	 * @return string Main part of the link, with underscores (for use in href attributes)
+	 */
+	public function getDBkey();
+
+	/**
+	 * Returns the link in text form, without namespace prefix or fragment.
+	 * This is computed from the DB key by replacing any underscores with spaces.
+	 * @since 1.27
+	 *
+	 * @return string
+	 */
+	public function getText();
+
+	/**
+	 * Creates a new LinkTarget for a different fragment of the same page.
+	 * It is expected that the same type of object will be returned, but the
+	 * only requirement is that it is a LinkTarget.
+	 * @since 1.27
+	 *
+	 * @param string $fragment The fragment name, or "" for the entire page.
+	 *
+	 * @return LinkTarget
+	 */
+	public function createFragmentTarget( $fragment );
+
+	/**
+	 * Whether this LinkTarget has an interwiki component
+	 * @since 1.27
+	 *
+	 * @return bool
+	 */
+	public function isExternal();
+
+	/**
+	 * The interwiki component of this LinkTarget
+	 * @since 1.27
+	 *
+	 * @return string
+	 */
+	public function getInterwiki();
+
+	/**
+	 * Returns an informative human readable representation of the link target,
+	 * for use in logging and debugging. There is no requirement for the return
+	 * value to have any relationship with the input of TitleParser.
+	 * @since 1.31
+	 *
+	 * @return string
+	 */
+	public function __toString();
+
+}