Use MQTTConnection as an abstraction over mqtt#client in order to add/remove subscribers to/from an mqtt client (which was created with a particular clientId).
MQTTConnectionManager is a singleton which helps to instantiate new mqtt clients / disconnect all or one of them from Node-RED nodes when latter deleted or restarted
MQTTConnectionas an abstraction overmqtt#clientin order to add/remove subscribers to/from anmqttclient (which was created with a particularclientId).MQTTConnectionManageris a singleton which helps to instantiate newmqtt clients/ disconnect all or one of them fromNode-REDnodes when latter deleted or restarted