* Specifies the rules which the node which contains <code>must</code> YANG
* substatement has to match.
*
- *
* @return set of <code>MustDefinition</code> (XPath) instances which
* represents the concrete data constraints
*/
* Expreses if the presence of the data element for which this constraint is
* specified is|isn't required.
*
+ * <p>
* Contains the value of the <b>mandatory</b> YANG substatement.
- *
* It is used with YANG statements leaf, choice, anyxml, deviate.
*
* @return boolean value:
* Returns the minimum required number of data elements for node where this
* constraint is specified.
*
+ * <p>
* The returning value equals to value of the argument of the
* <b>min-elements</b> YANG substatement.
- *
* It is used with YANG statements leaf-list, list, deviate.
*
* @return integer with minimal number of elements, or null if no minimum is defined
* Returns the maximum admissible number of data elements for node where
* this constraint is specified.
*
+ * <p>
* The returning value equals to value of the argument of the
* <b>max-elements</b> YANG substatement.
- *
* It is used with YANG statements leaf-list, list, deviate.
*
* @return integer with maximum number of elements, or null if no maximum is defined