IRecipe.java

package net.minecraft.server;

public interface IRecipe {

    boolean a(InventoryCrafting inventorycrafting, World world);

    ItemStack craftItem(InventoryCrafting inventorycrafting);

    int a();

    ItemStack b();

    NonNullList<ItemStack> b(InventoryCrafting inventorycrafting);

    org.bukkit.inventory.Recipe toBukkitRecipe(); // CraftBukkit

    java.util.List<ItemStack> getIngredients(); // Spigot
}