--- a/net/minecraft/advancements/AdvancementHolder.java
+++ b/net/minecraft/advancements/AdvancementHolder.java
@@ -6,6 +6,11 @@
 import net.minecraft.network.codec.StreamCodec;
 import net.minecraft.resources.MinecraftKey;
 
+// CraftBukkit start
+import org.bukkit.craftbukkit.advancement.CraftAdvancement;
+import org.bukkit.craftbukkit.util.CraftNamespacedKey;
+// CraftBukkit end
+
 public record AdvancementHolder(MinecraftKey id, Advancement value) {
 
     public static final StreamCodec<RegistryFriendlyByteBuf, AdvancementHolder> STREAM_CODEC = StreamCodec.composite(MinecraftKey.STREAM_CODEC, AdvancementHolder::id, Advancement.STREAM_CODEC, AdvancementHolder::value, AdvancementHolder::new);
@@ -38,4 +43,10 @@
     public String toString() {
         return this.id.toString();
     }
+
+    // CraftBukkit start
+    public final org.bukkit.advancement.Advancement toBukkit() {
+        return new CraftAdvancement(this);
+    }
+    // CraftBukkit end
 }