/**
  * Set delta seconds.
  *
  * @param int $deltaSeconds
  *
  * @return $this
  *
  * @throws InvalidHeaderValueException
  */
 public function setDeltaSeconds($deltaSeconds)
 {
     $this->deltaSeconds = GenericHeader::computeDeltaSeconds($deltaSeconds);
     return $this;
 }
 /**
  * Set cookie max age.
  *
  * @param int $deltaSeconds
  *
  * @return $this
  */
 public function setMaxAge($deltaSeconds)
 {
     $this->set('max-age', GenericHeader::computeDeltaSeconds($deltaSeconds));
     return $this;
 }