/**
* Topological sort of module builder dependency graph.
*
+ * @param builders builders of Module object
* @return Sorted list of Module builders. Modules can be further processed
* in returned order.
*/
/**
* Topological sort of module dependency graph.
*
+ * @param modules YANG modules
* @return Sorted list of Modules. Modules can be further processed in
* returned order.
*/