Split FoodSource up into two interfaces

src/pocketmine/item/Consumable.php

@@ -0,0 +1,36 @@
+<?php
+
+/*
+ *
+ *  ____            _        _   __  __ _                  __  __ ____
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ *
+ *
+*/
+
+declare(strict_types=1);
+
+namespace pocketmine\item;
+
+use pocketmine\entity\Effect;
+
+interface Consumable{
+
+	public function getResidue();
+
+	/**
+	 * @return Effect[]
+	 */
+	public function getAdditionalEffects() : array;
+}

src/pocketmine/item/FoodSource.php

@@ -25,15 +25,9 @@ namespace pocketmine\item;
 
 use pocketmine\entity\Effect;
 
-interface FoodSource{
+interface FoodSource extends Consumable{
+
 	public function getFoodRestore() : int;
 
 	public function getSaturationRestore() : float;
-
-	public function getResidue();
-
-	/**
-	 * @return Effect[]
-	 */
-	public function getAdditionalEffects() : array;
 }