Link to ingredientwithamount
Diese Klasse importieren
Link to diese-klasse-importieren
It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.
Link to implemented-interfaces
IngredientWithAmount implements the following interfaces. That means all methods defined in these interfaces are also available in IngredientWithAmount