immutableProperties should be used to populate the corresponding accessors (such as channelType()) already on construction, not only when making FeatureCore ready (fd.o #41654)
Make it possible to set the tube client to auto-close tubes if the desired access control level is not achieved, as an alternative to the current best-effort behavior.
Make it possible to set the tube client to auto-close tubes if the desired access control level is not achieved, as an alternative to the current best-effort behavior.