diff --git a/src/groups/groups.special.ts b/src/groups/groups.special.ts
new file mode 100644
index 000000000..f0ca6c79c
--- /dev/null
+++ b/src/groups/groups.special.ts
@@ -0,0 +1,10 @@
+/*
+ * SPDX-FileCopyrightText: 2021 The HedgeDoc developers (see AUTHORS file)
+ *
+ * SPDX-License-Identifier: AGPL-3.0-only
+ */
+
+export enum SpecialGroup {
+  LOGGED_IN = '_LOGGED_IN',
+  EVERYONE = '_EVERYONE',
+}