code: def make_relationship_aggregate(self, relationship):
          
          if not self._session.IS_MANAGING_BACKREFERENCES:
              relationship.direction &= ~RELATIONSHIP_DIRECTIONS.REVERSE
          return RelationshipAggregate(self, relationship)
docs: Returns a new relationship aggregate for the given relationship.
  
          :param relationship: Instance of
            :class:`everest.entities.relationship.DomainRelationship`.