/**
  * Filter the query by a related \Model\AccessToken object
  *
  * @param \Model\AccessToken|ObjectCollection $accessToken the related object to use as filter
  * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  *
  * @return ChildUserQuery The current query, for fluid interface
  */
 public function filterByAccessToken($accessToken, $comparison = null)
 {
     if ($accessToken instanceof \Model\AccessToken) {
         return $this->addUsingAlias(UserTableMap::COL_ID, $accessToken->getUserId(), $comparison);
     } elseif ($accessToken instanceof ObjectCollection) {
         return $this->useAccessTokenQuery()->filterByPrimaryKeys($accessToken->getPrimaryKeys())->endUse();
     } else {
         throw new PropelException('filterByAccessToken() only accepts arguments of type \\Model\\AccessToken or Collection');
     }
 }