code: public function remove(NodeConnectionInterface $connection)
      {
          if (false !== $id = array_search($connection, $this->pool, true)) {
              unset($this->pool[$id]);
              $this->distributor->remove($connection);
  
              if ($this->aliases && $alias = $connection->getParameters()->alias) {
                  unset($this->aliases[$alias]);
              }
  
              return true;
          }
  
          return false;
      }
docs: {@inheritdoc}