+agl_rtgroup *agl_router_create_rtgroup (struct userdata *, agl_direction, const char *, agl_rtgroup_accept_t, agl_rtgroup_compare_t);
+void agl_router_destroy_rtgroup (struct userdata *, agl_direction, const char *);
+bool agl_router_assign_class_to_rtgroup (struct userdata *, agl_node_type, uint32_t, agl_direction, const char *);
+void agl_router_assign_class_priority (struct userdata *, agl_node_type, int);
+