Util
The utils package allows you to retrieve a given IIngredient from parameters provided.
Importing the package
If you ever find yourself needing an import for this, here’s your chance:
import mods.astralsorcery.Utils;
Get a Crystal Ingredient
This will return you an ingredient matching all befitting AS crystals.
//Utils.getCrystalORIngredient(boolean hasToBeCelestial, boolean hasToBeAttuned);
val myCrystal = Utils.getCrystalORIngredient(true, true); //as crafttweaker.item.IIngredient