Tests if @session has at a feature of type @feature_type (which can be the type of either a #SoupSessionFeature, or else a subtype of some class managed by another feature, such as #SoupAuth or #SoupRequest).
the #GType of the class of features to check for
%TRUE or %FALSE
2.42
See Implementation
Tests if @session has at a feature of type @feature_type (which can be the type of either a #SoupSessionFeature, or else a subtype of some class managed by another feature, such as #SoupAuth or #SoupRequest).