original_string: public function getCustomerGroup(ConnectionInterface $con = null)
      {
          if ($this->aCustomerGroup === null && ($this->id !== null)) {
              $this->aCustomerGroup = ChildCustomerGroupQuery::create()->findPk($this->id, $con);
              /* The following can be used additionally to
                  guarantee the related object contains a reference
                  to this object.  This level of coupling may, however, be
                  undesirable since it could result in an only partially populated collection
                  in the referenced object.
                  $this->aCustomerGroup->addCustomerGroupI18ns($this);
               */
          }
  
          return $this->aCustomerGroup;
      }
code: public function getCustomerGroup(ConnectionInterface $con = null)
      {
          if ($this->aCustomerGroup === null && ($this->id !== null)) {
              $this->aCustomerGroup = ChildCustomerGroupQuery::create()->findPk($this->id, $con);
              /* The following can be used additionally to
                  guarantee the related object contains a reference
                  to this object.  This level of coupling may, however, be
                  undesirable since it could result in an only partially populated collection
                  in the referenced object.
                  $this->aCustomerGroup->addCustomerGroupI18ns($this);
               */
          }
  
          return $this->aCustomerGroup;
      }
code_tokens: public function getCustomerGroup ( ConnectionInterface $ con = null ) { if ( $ this -> aCustomerGroup === null && ( $ this -> id !== null ) ) { $ this -> aCustomerGroup = ChildCustomerGroupQuery :: create ( ) -> findPk ( $ this -> id , $ con ) ; /* The following can be used additionally to
                  guarantee the related object contains a reference
                  to this object.  This level of coupling may, however, be
                  undesirable since it could result in an only partially populated collection
                  in the referenced object.
                  $this->aCustomerGroup->addCustomerGroupI18ns($this);
               */ } return $ this -> aCustomerGroup ; }
docstring: Get the associated ChildCustomerGroup object
  
  @param      ConnectionInterface $con Optional Connection object.
  @return                 ChildCustomerGroup The associated ChildCustomerGroup object.
  @throws PropelException
docstring_tokens: Get the associated ChildCustomerGroup object