[ NoAccessorMethod ]
[ Version ( since = "0.19.10" ) ]
public Variant immutable_properties_vardict { owned get; }
The immutable D-Bus properties of this channel request, represented by a VARDICT where the keys are D-Bus interface name + ".
" + property name.
Note that this property is set only if the immutable properties have been set during the construction of the ChannelRequest.
Read-only except during construction.