-int gl_instance_get_params (graph_config_t *cfg, graph_instance_t *inst,
- char *buffer, size_t buffer_size);
-
-int gl_instance_get_rrdargs (graph_config_t *cfg, graph_instance_t *inst,
- str_array_t *args);
-
-graph_ident_t *gl_instance_get_selector (graph_instance_t *inst);
-