interface PoMetadataInterface

interface PoMetadataInterface {
    
    /**
     * Set language code.
     *
     * @param string $langcode
     *   Language code string.
     */
    public function setLangcode($langcode);
    
    /**
     * Get language code.
     *
     * @return string
     *   Language code string.
     */
    public function getLangcode();
    
    /**
     * Set header metadata.
     *
     * @param \Drupal\Component\Gettext\PoHeader $header
     *   Header object representing metadata in a PO header.
     */
    public function setHeader(PoHeader $header);
    
    /**
     * Get header metadata.
     *
     * @return \Drupal\Component\Gettext\PoHeader
     *   Header instance representing metadata in a PO header.
     */
    public function getHeader();

}