import cn.nukkit.inventory.Recipe; //导入依赖的package包/类
public void addRecipe(Recipe recipe) {
    this.craftingManager.registerRecipe(recipe);
}
 

import cn.nukkit.inventory.Recipe; //导入依赖的package包/类
public CraftItemEvent(Player player, Item[] input, Recipe recipe) {
    this.player = player;
    this.input = input;
    this.recipe = recipe;
}
 

import cn.nukkit.inventory.Recipe; //导入依赖的package包/类
public Recipe getRecipe() {
    return recipe;
}