* @param shard The shard to which all the children should belong.
*/
protected void addPartsToShard(Shard shard) {
elementIterator = document.childrenIterator(element, elementIterator);
for (; elementIterator.hasNext();) {
DissectableNode child = elementIterator.next();
DissectableNodeAnnotation annotation
= (DissectableNodeAnnotation) document.getAnnotation(child);
annotation.addToShard(shard, true);
}
}