--- a/net/minecraft/world/item/crafting/IRecipe.java
+++ b/net/minecraft/world/item/crafting/IRecipe.java
@@ -63,4 +63,6 @@
             return recipeitemstack.getItems().length == 0;
         });
     }
+
+    org.bukkit.inventory.Recipe toBukkitRecipe(org.bukkit.NamespacedKey id); // CraftBukkit
 }