--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sat/core/core_types.py	Wed Dec 01 16:13:31 2021 +0100
@@ -0,0 +1,24 @@
+#!/usr/bin/env python3
+
+# Libervia types
+# Copyright (C) 2011  Jérôme Poisson (goffi@goffi.org)
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Affero General Public License for more details.
+
+# You should have received a copy of the GNU Affero General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+from twisted.words.protocols.jabber import jid as t_jid
+
+
+class SatXMPPEntity:
+
+    jid: t_jid.JID