src/DocumentType/AbstractDocumentType.php
public function getData($key, $fetcher = self::DEFAULT_FETCHER_NAME)
    {
        return $this->getDataFetcher($fetcher)->getData($key);
    }
public function getData($key, $fetcher = self::DEFAULT_FETCHER_NAME)
    {
        return $this->getDataFetcher($fetcher)->getData($key);
    }
public function getData ( $ key , $ fetcher = self :: DEFAULT_FETCHER_NAME ) { return $ this -> getDataFetcher ( $ fetcher ) -> getData ( $ key ) ; }
Get real substitution data

@param mixed $key Data identifier
@return array
Get real substitution data