public class CookingRecipeExample implements ModInitializer {
    [...]
    public static final ScreenHandlerType<TestFurnaceScreenHandler> TEST_FURNACE_SCREEN_HANDLER;
    
    static {
        [...]
        TEST_FURNACE_SCREEN_HANDLER = ScreenHandlerRegistry.registerSimple(new Identifier(MOD_ID, "test_furnace"), TestFurnaceScreenHandler::new);
    }
}