original_string: public function filterByCustomer($customer, $comparison = Criteria::EQUAL)
      {
          return $this
              ->useCustomerCustomerGroupQuery()
              ->filterByCustomer($customer, $comparison)
              ->endUse();
      }
code: public function filterByCustomer($customer, $comparison = Criteria::EQUAL)
      {
          return $this
              ->useCustomerCustomerGroupQuery()
              ->filterByCustomer($customer, $comparison)
              ->endUse();
      }
code_tokens: public function filterByCustomer ( $ customer , $ comparison = Criteria :: EQUAL ) { return $ this -> useCustomerCustomerGroupQuery ( ) -> filterByCustomer ( $ customer , $ comparison ) -> endUse ( ) ; }
docstring: Filter the query by a related Customer object
  using the customer_customer_group table as cross reference
  
  @param Customer $customer the related object to use as filter
  @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL
  
  @return ChildCustomerGroupQuery The current query, for fluid interface
docstring_tokens: Filter the query by a related Customer object using the customer_customer_group table as cross reference