Paper/patches/server/0837-Add-new-overload-to-PersistentDataContainer-has.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: u9g <winworkswow@gmail.com>
Date: Mon, 3 Jan 2022 23:32:42 -0500
Subject: [PATCH] Add new overload to PersistentDataContainer#has

Adds the new overload: PersistentDataContainer#has(NamespacedKey key)

diff --git a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
index 2c59f09a9261a1690951161fd856a5848d9885b7..f0588bec9be09cb8273c310fb3de8bfe72dee9e5 100644
--- a/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
+++ b/src/main/java/org/bukkit/craftbukkit/persistence/CraftPersistentDataContainer.java
@@ -161,5 +161,12 @@ public class CraftPersistentDataContainer implements PersistentDataContainer {
     public void clear() {
         this.customDataTags.clear();
     }
+
+    @Override
+    public boolean has(NamespacedKey key) {
+        Validate.notNull(key, "The provided key for the custom value was null");
+
+        return this.customDataTags.containsKey(key.toString());
+    }
     // Paper end
 }