}
/**
- * Return the set of data trees on which this action is available. Note that
- * {@link DOMDataTreeIdentifier#getRootIdentifier()} may be a wildcard.
+ * Return the set of data trees on which this action is available. These identifiers are required to point
+ * to concrete items, i.e. they may not be wildcards.
*
* @return Set of trees on which this action is available.
*/