public function getAugmentedSoFar()
    {
        if (!$this->offsetExists(self::KEY_AUGMENTED)) {
            $this[self::KEY_AUGMENTED] = [];
        }
        return $this[self::KEY_AUGMENTED];
    }
public function getAugmentedSoFar()
    {
        if (!$this->offsetExists(self::KEY_AUGMENTED)) {
            $this[self::KEY_AUGMENTED] = [];
        }
        return $this[self::KEY_AUGMENTED];
    }
public function getAugmentedSoFar ( ) { if ( ! $ this -> offsetExists ( self :: KEY_AUGMENTED ) ) { $ this [ self :: KEY_AUGMENTED ] = [ ] ; } return $ this [ self :: KEY_AUGMENTED ] ; }
Access the data that has been augmented so far in the previous augmentation steps.

@return array the augmented data so far (or an empty array, should this be called in the
first augmentation step).
Access the data that has been augmented so far in the previous augmentation steps .