original_string: public function setActualFields($group = UNDEFINED)
      {
          if (is_array($group)) {
              $this->actual_fields = $group;
  
              return $this;
          }
          if ($group === UNDEFINED) {
              $group = 'all';
          }
          $this->actual_fields = $this->getGroupField($group);
  
          return $this;
      }
code: public function setActualFields($group = UNDEFINED)
      {
          if (is_array($group)) {
              $this->actual_fields = $group;
  
              return $this;
          }
          if ($group === UNDEFINED) {
              $group = 'all';
          }
          $this->actual_fields = $this->getGroupField($group);
  
          return $this;
      }
code_tokens: public function setActualFields ( $ group = UNDEFINED ) { if ( is_array ( $ group ) ) { $ this -> actual_fields = $ group ; return $ this ; } if ( $ group === UNDEFINED ) { $ group = 'all' ; } $ this -> actual_fields = $ this -> getGroupField ( $ group ) ; return $ this ; }
docstring: Set the actual fields of this model.
  You can use an array to set the list of fields or a string to
  use the grouping.
  
  @param array|string $group string or array
  
  @return $this
docstring_tokens: Set the actual fields of this model . You can use an array to set the list of fields or a string to use the grouping .