private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
final DataTree dataTree = shardDataTree.getDataTree();
// FIXME: this should not be called here
private Optional<NormalizedNode<?,?>> readPeople(final ShardDataTree shardDataTree) {
final DataTree dataTree = shardDataTree.getDataTree();
// FIXME: this should not be called here