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wp-content/plugins/mailpoet/lib/Config/SilentUpgraderSkin.php

@@ -0,0 +1,32 @@
+<?php // phpcs:ignore SlevomatCodingStandard.TypeHints.DeclareStrictTypes.DeclareStrictTypesMissing
+
+namespace MailPoet\Config;
+
+if (!defined('ABSPATH')) exit;
+
+
+use WP_Upgrader_Skin;
+
+/**
+ * Upgrader skin that doesn't echo any outputs
+ * Used for when downloading translation updates in the background
+ */
+class SilentUpgraderSkin extends WP_Upgrader_Skin {
+  /**
+   * @inerhitDoc
+   */
+  public function feedback($feedback, ...$args) {
+  }
+
+  /**
+   * @inerhitDoc
+   */
+  public function header() {
+  }
+
+  /**
+   * @inerhitDoc
+   */
+  public function footer() {
+  }
+}