Children generated from a data model list: the list's path and the
template component repeated for each item, written as
{"path": path, "componentId": template_id}. Made by
A2UIAgent.Builder.child_list/2.
Summary
Types
@type t() :: %A2UIAgent.Builder.ChildList{ path: String.t(), template: A2UIAgent.Builder.Component.t() | A2UIAgent.Builder.Ref.t() }