} else if (dsn instanceof ChoiceNode) {
for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());
} else if (dsn instanceof ChoiceNode) {
for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());