int graph_config_add (const oconfig_item_t *ci);
+/* Add "inst" to the internal list. The instance is *not* copied and may not be
+ * freed from the outside. */
+int graph_add_inst (graph_config_t *graph, graph_instance_t *inst);
+
int graph_add_file (graph_config_t *cfg, const graph_ident_t *file);
int graph_get_title (graph_config_t *cfg,
int graph_compare (graph_config_t *cfg, const graph_ident_t *ident);
int graph_to_json (const graph_config_t *cfg, yajl_gen handler);
+int graph_def_to_json (const graph_config_t *cfg, yajl_gen handler);
size_t graph_num_instances (graph_config_t *cfg);