docs: def get_objective_ids_by_objective_banks(self, objective_bank_ids):
          """Gets the list of ``Objective Ids`` corresponding to a list of ``ObjectiveBanks``.
  
          arg:    objective_bank_ids (osid.id.IdList): list of objective
                  bank ``Ids``
          return: (osid.id.IdList) - list of objective ``Ids``
          raise:  NullArgument - ``objective_bank_ids`` is ``null``
          raise:  OperationFailed - unable to complete request
          raise:  PermissionDenied - authorization failure
          *compliance: mandatory -- This method must be implemented.*
  
          """
          # Implemented from template for
          # osid.resource.ResourceBinSession.get_resource_ids_by_bins
          id_list = []
          for objective in self.get_objectives_by_objective_banks(objective_bank_ids):
              id_list.append(objective.get_id())
          return IdList(id_list)