docs: def on_balancer_remove(self, name):
          """
          The removal of a load balancer config isn't supported just yet.
  
          If the balancer being removed is the only configured one we fire
          a critical log message saying so.  A writer setup with no balancers
          is less than useless.
          """
          if len(self.configurables[Balancer]) == 1:
              logger.critical(
                  "'%s' config file removed! It was the only balancer left!",
                  name
              )