Check to see if the player can start using the Releasable item. (#4532)

src/item/Releasable.php

@@ -23,9 +23,13 @@ declare(strict_types=1);
 
 namespace pocketmine\item;
 
+use pocketmine\player\Player;
+
 /**
  * Interface implemented by objects that can be used.
  */
 interface Releasable{
 
+	public function canStartUsingItem(Player $player) : bool;
+
 }