IUsageHandler.java

package codechicken.nei.recipe;

/**
 * Implement this to show custom recipes in the usage viewer.
 * See the default vanilla ones for more info.
 */
public interface IUsageHandler extends IRecipeHandler {
    /**
     * @param inputId     A String identifier representing the type of ingredients used. Eg. {"item", "fuel"}
     * @param ingredients Objects representing the ingredients that matching recipes must contain.
     * @return An instance of {@link IUsageHandler} configured with a list of recipes that contain matching input
     */
    public IUsageHandler getUsageHandler(String inputId, Object... ingredients);
}