i1 : {a,b,c} o1 = {a, b, c} o1 : List
i2 : [a,b,c] o2 = [a, b, c] o2 : Array
i3 : (a,b,c) o3 = (a, b, c) o3 : Sequence
The object VisibleList is a type, with ancestor classes BasicList < Thing.