This section contains gplugin_get_option_group that makes it easy to initialize GPlugin from your application when it is added to a GOptionContext.
GOptionGroup *
gplugin_get_option_group (void);
Returns a GOptionGroup for the commandline arguments recognized by
GPlugin. You should add this option group to your GOptionContext with
g_option_context_add_group(), if you are using g_option_context_parse() to
parse your commandline arguments.
GPlugin must be initialized before you call this function.