int graph_get_title (graph_config_t *cfg,
char *buffer, size_t buffer_size);
+int graph_get_params (graph_config_t *cfg, char *buffer, size_t buffer_size);
+
graph_ident_t *graph_get_selector (graph_config_t *cfg);
graph_instance_t *graph_get_instances (graph_config_t *cfg);