--- a/net/minecraft/world/item/crafting/IRecipe.java
+++ b/net/minecraft/world/item/crafting/IRecipe.java
@@ -46,4 +46,6 @@
     }
 
     RecipeBookCategory recipeBookCategory();
+
+    org.bukkit.inventory.Recipe toBukkitRecipe(org.bukkit.NamespacedKey id); // CraftBukkit
 }