/**
  * @param AMQPBitmaskResolver $resolver
  * @return integer - it's bitmask
  **/
 public function getBitmask(AMQPBitmaskResolver $resolver)
 {
     return $resolver->getBitmask($this);
 }
 public function getBitmask(AMQPBitmaskResolver $config)
 {
     return $config->getBitmask($this);
 }