#550: Add getHandlerList into ArrowBodyCountChangeEvent

By: Martoph <sager1018@gmail.com>

paper-api/src/main/java/org/bukkit/event/entity/ArrowBodyCountChangeEvent.java

@@ -84,4 +84,9 @@ public class ArrowBodyCountChangeEvent extends EntityEvent implements Cancellabl
     public HandlerList getHandlers() {
         return handlers;
     }
+
+    @NotNull
+    public static HandlerList getHandlerList() {
+        return handlers;
+    }
 }