add UsageInformation Interface to every class which can be used by Plugin Authors

core/Bills/BillManager.php

@@ -4,6 +4,8 @@ namespace ManiaControl\Bills;
 
 use ManiaControl\Callbacks\CallbackListener;
 use ManiaControl\Callbacks\CallbackManager;
+use ManiaControl\General\UsageInformationAble;
+use ManiaControl\General\UsageInformationTrait;
 use ManiaControl\ManiaControl;
 use ManiaControl\Players\Player;
 use Maniaplanet\DedicatedServer\InvalidArgumentException;
@@ -16,7 +18,9 @@ use Maniaplanet\DedicatedServer\Structures\Bill;
  * @copyright 2014-2017 ManiaControl Team
  * @license   http://www.gnu.org/licenses/ GNU General Public License, Version 3
  */
-class BillManager implements CallbackListener {
+class BillManager implements CallbackListener, UsageInformationAble {
+	use UsageInformationTrait;
+	
 	/*
 	 * Constants
 	 */