-void stat_segment_poll_add (u32 vector_index, stat_segment_update_fn update_fn,
- u32 caller_index, u32 interval);
+uword stat_segment_poll_add (u32 vector_index,
+ stat_segment_update_fn update_fn,
+ u32 caller_index, u32 interval, u8 enabled);
+void stat_segment_poll_state (uword index, u8 enabled);
+
+counter_t **stat_validate_counter_vector3 (counter_t **counters, u32 max1,
+ u32 max2);