--- /dev/null
+Copyright 2009-2020 Argeo GmbH
+
+This file is part of Argeo Commons.
+
+Argeo Commons is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+Argeo Commons 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 Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with Argeo Commons. If not, see <https://www.gnu.org/licenses/>.
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