interface PoWriterInterface

interface PoWriterInterface extends PoMetadataInterface {
    
    /**
     * Writes the given item.
     *
     * @param PoItem $item
     *   One specific item to write.
     */
    public function writeItem(PoItem $item);
    
    /**
     * Writes all or the given amount of items.
     *
     * @param PoReaderInterface $reader
     *   Reader to read PoItems from.
     * @param $count
     *   Amount of items to read from $reader to write. If -1, all items are
     *   read from $reader.
     */
    public function writeItems(PoReaderInterface $reader, $count = -1);

}