unecessary_cast false-positive

[zoechi]

  @override
  BuiltList<Node> get childNodes =>
      (ListBuilder<Node>(directives as Iterable ?? <Node>[])
            ..addAll(selections))
          .build();

  @nullable
  BuiltList<Directive> get directives;

  BuiltList<Selection> get selections;

Directive and Selection implement Node

[pq]

This is actually an analyzer hint and should be tracked in the SDK...

[pq]

This issue was moved to #35140