Everything wrong with a submission.
List shaped from the first day even though nothing yet produces more than a decode failure and "is required", because validation rules arrive later and a Map[String, String] would have to change signature to hold two problems with one field.
"is required"
Map[String, String]
An iterator over the names of all the elements of this product.
An iterator over all the elements of this product.
in the default implementation, an Iterator[Any]
Iterator[Any]
