package forestry.api.recipes; import net.minecraft.item.ItemStack; /** * Fermenter checks any valid fermentation item for an implementation of this interface. * This does not supersede adding a proper recipe to the fermenter! */ public interface IVariableFermentable { /** * @param itemstack * @return Float representing the modification to be applied to the matching recipe's biomass output. */ float getFermentationModifier(ItemStack itemstack); }