1 files changed, 19 insertions, 0 deletions
diff --git a/lib/public/DB/QueryBuilder/IQueryFunction.php b/lib/public/DB/QueryBuilder/IQueryFunction.php
new file mode 100644
index 00000000000..e19fc2959db
--- /dev/null
+++ b/lib/public/DB/QueryBuilder/IQueryFunction.php
@@ -0,0 +1,19 @@
+<?php
+
+/**
+ * SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-FileCopyrightText: 2016 ownCloud, Inc.
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+namespace OCP\DB\QueryBuilder;
+
+/**
+ * @since 8.2.0
+ */
+interface IQueryFunction {
+	/**
+	 * @return string
+	 * @since 8.2.0
+	 */
+	public function __toString();
+}