code: def getAllNodeUids(self):
          '''
              getAllNodeUids - Gets all the internal uids of all nodes, their children, and all their children so on..
  
                @return set<uuid.UUID>
          '''
          ret = set()
  
          for child in self:
              ret.update(child.getAllNodeUids())
  
          return ref getAllNodeUids(self):
          '''
              getAllNodeUids - Gets all the internal uids of all nodes, their children, and all their children so on..
  
                @return set<uuid.UUID>
          '''
          ret = set()
  
          for child in self:
              ret.update(child.getAllNodeUids())
  
          return ret
docs: getAllNodeUids - Gets all the internal uids of all nodes, their children, and all their children so on..
  
                @return set<uuid.UUID>