1 files changed, 22 insertions, 0 deletions
diff --git a/lib/public/User/Backend/IGetDisplayNameBackend.php b/lib/public/User/Backend/IGetDisplayNameBackend.php
new file mode 100644
index 00000000000..a9c92b8b146
--- /dev/null
+++ b/lib/public/User/Backend/IGetDisplayNameBackend.php
@@ -0,0 +1,22 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2018 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+namespace OCP\User\Backend;
+
+/**
+ * @since 14.0.0
+ */
+interface IGetDisplayNameBackend {
+	/**
+	 * @since 14.0.0
+	 *
+	 * @param string $uid user ID of the user
+	 * @return string display name
+	 */
+	public function getDisplayName($uid): string;
+}