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Copyright (c) 2013, 2020 IBM Corp.
All rights reserved. This program and the accompanying materials
are made available under the terms of the Eclipse Public License v2.0
and Eclipse Distribution License v1.0 which accompany this distribution.
The Eclipse Public License is available at
https://www.eclipse.org/legal/epl-2.0/
and the Eclipse Distribution License is available at
http://www.eclipse.org/org/documents/edl-v10.php.
Contributors:
Ian Craggs - initial implementation and/or documentation
Ian Craggs - add MQTTV5 support
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