Drupal 8.0.0 beta 12. More info: https://www.drupal.org/node/2514176

core/lib/Drupal/Component/Gettext/PoWriterInterface.php

@@ -0,0 +1,37 @@
+<?php
+
+/**
+ * @file
+ * Contains \Drupal\Component\Gettext\PoWriterInterface.
+ */
+
+namespace Drupal\Component\Gettext;
+
+use Drupal\Component\Gettext\PoMetadataInterface;
+use Drupal\Component\Gettext\PoItem;
+
+/**
+ * Shared interface definition for all Gettext PO Writers.
+ */
+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);
+
+}