craftbukkit/nms-patches/net/minecraft/world/item/crafting/SmithingTrimRecipe.patch

--- a/net/minecraft/world/item/crafting/SmithingTrimRecipe.java
+++ b/net/minecraft/world/item/crafting/SmithingTrimRecipe.java
@@ -21,6 +21,14 @@
 import net.minecraft.world.item.equipment.trim.TrimMaterials;
 import net.minecraft.world.item.equipment.trim.TrimPattern;
 
+// CraftBukkit start
+import org.bukkit.NamespacedKey;
+import org.bukkit.craftbukkit.inventory.CraftRecipe;
+import org.bukkit.craftbukkit.inventory.CraftSmithingTrimRecipe;
+import org.bukkit.craftbukkit.inventory.trim.CraftTrimPattern;
+import org.bukkit.inventory.Recipe;
+// CraftBukkit end
+
 public class SmithingTrimRecipe implements SmithingRecipe {
 
     final RecipeItemStack template;
@@ -99,6 +107,13 @@
         return List.of(new SmithingRecipeDisplay(slotdisplay2, slotdisplay, slotdisplay1, new SlotDisplay.g(slotdisplay, slotdisplay1, this.pattern), new SlotDisplay.d(Items.SMITHING_TABLE)));
     }
 
+    // CraftBukkit start
+    @Override
+    public Recipe toBukkitRecipe(NamespacedKey id) {
+        return new CraftSmithingTrimRecipe(id, CraftRecipe.toBukkit(this.template), CraftRecipe.toBukkit(this.base), CraftRecipe.toBukkit(this.addition), CraftTrimPattern.minecraftHolderToBukkit(this.pattern));
+    }
+    // CraftBukkit end
+
     public static class a implements RecipeSerializer<SmithingTrimRecipe> {
 
         private static final MapCodec<SmithingTrimRecipe> CODEC = RecordCodecBuilder.mapCodec((instance) -> {