public void setParent(TeaBags parentIn) { parent = parentIn; }
public abstract bool add(TeaBags teaBagsToAdd);
public abstract bool remove(TeaBags teaBagsToRemove);
override public bool add(TeaBags teaBagsToAdd) { teaBagsToAdd.setParent(this); teaBagList.Add(teaBagsToAdd); return(true); }