* a mismatch between the Defaultr Spec and the input, and we didn't recurse.
*/
public void applyChildren( Object defaultee ) {
if ( defaultee == null ) {
throw new TransformException( "Defaultee should never be null when " +
"passed to the applyChildren method." );
}
// This has nothing to do with this being an ArrayKey or MapKey, instead this is about
// this key being the parent of an Array in the output.