Google Dart Only Show Specific DropDown Child Elements

Question

I\'m attempting to get only certain values from a drop-down by hiding a select few. Apparently I cannot go over an array index of 3 or nothing shows up and obviously not below

Answer 1

This would only go over the items after the 3rd as sublist would remove the first 3 list elements.

_predefinedFilterList.sublist(3).forEach((map) => print(map["displayName"]));

Answer 2

What about just clearing the children and then only add these you want to show?