Add Enchantment#isTreasure()Z

Determines if the enchantment is a treasure enchantment - only available via means other than the enchantment table.

By: Senmori <thesenmori@gmail.com>

paper-api/src/main/java/org/bukkit/enchantments/EnchantmentWrapper.java

@@ -44,6 +44,11 @@ public class EnchantmentWrapper extends Enchantment {
         return getEnchantment().getName();
     }
 
+    @Override
+    public boolean isTreasure() {
+        return getEnchantment().isTreasure();
+    }
+
     @Override
     public boolean conflictsWith(Enchantment other) {
         return getEnchantment().conflictsWith(other);