Create a new #PeasExtensionSet for the @exten_type extension type.
If @engine is %NULL, then the default engine will be used.
Since libpeas 1.22, @exten_type can be an Abstract #GType and not just an Interface #GType.
See peas_extension_set_new() for more information.
A #PeasEngine, or %NULL.
the extension #GType.
an array of #GParameter.
a new instance of #PeasExtensionSet.
ConstructionException GTK+ fails to create the object.
See Implementation
Create a new #PeasExtensionSet for the @exten_type extension type.
If @engine is %NULL, then the default engine will be used.
Since libpeas 1.22, @exten_type can be an Abstract #GType and not just an Interface #GType.
See peas_extension_set_new() for more information.