--- /dev/null
+<?php
+/**
+ * An interface entities manager
+ *
+ * @author Roland Haeder <webmaster@shipsimu.org>
+ * @version 0.0.0
+ * @copyright Copyright (c) 2015 City 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 ManageableCityEntities extends Manageable {
+ /**
+ * Checks whether at least one map requires expansion
+ *
+ * @return $requiresExpansion Whether a map requires expansion
+ */
+ function isMapPendingExpansion ();
+
+ /**
+ * Expands any map that requires expansion
+ *
+ * @return void
+ */
+ function expandMaps ();
+}
+
+// [EOF]
+?>