Access to the internal global static is provided by the already available
method Solid::Networking::notifier().

Because the Windows implementation uses QNetworkConfigurationManager for
detecting network connection state, the network status cannot be changed
by test application networkingservice. To see network status changes in
networkingclient test application it is required to disable the maschine
network adapter.

FIXED-IN:5.43.0

• unix: compiled and verified with networkingservice/networkingclient test apps
• Window: compiled and tested by disabling network adapter (see notes above)