public bool Contains(LineBased <T> item) { return(_list.Contains(item)); }
public void Add(LineBased <T> item) { _list.Add(item); }
public int IndexOf(LineBased <T> item) { return(_list.IndexOf(item)); }
public void Insert(int index, LineBased <T> item) { _list.Insert(index, item); }
public bool Remove(LineBased <T> item) { return(_list.Remove(item)); }