LivingEntity Active Item API

API relating to items being actively used by a LivingEntity
such as a bow or eating food.

Co-authored-by: Jake Potrebic <jake.m.potrebic@gmail.com>

paper-api/src/main/java/org/bukkit/entity/HumanEntity.java

@@ -367,7 +367,9 @@ public interface HumanEntity extends LivingEntity, AnimalTamer, InventoryHolder
      * blocking).
      *
      * @return Whether their hand is raised
+     * @see LivingEntity#hasActiveItem()
      */
+    @org.jetbrains.annotations.ApiStatus.Obsolete(since = "1.20.4") // Paper - active item API
     public boolean isHandRaised();
 
     /**