encodeAs method
The argument value: each element's RefTo.encodeAs for a literal list, the value itself otherwise.
Implementation
TfArg<Object?> encodeAs(String attribute) => switch (this) {
TfArgLiteral(:final value) => TfArg<Object?>.literal([
for (final ref in value) ref.encodeAs(attribute),
]),
final whole => whole,
};