* Returns when condition
*
* If when condition is present node defined by the parent data definition
- * statement is only valid when the returned XPath
- * expression conceptually evaluates to "true"
- * for a particular instance, then the node defined by the parent data
- * definition statement is valid; otherwise, it is not.
- *
+ * statement is only valid when the returned XPath expression conceptually
+ * evaluates to "true" for a particular instance, then the node defined by
+ * the parent data definition statement is valid; otherwise, it is not.
*
- * @return
+ * @return when condition as string
*/
String getWhenCondition();