int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
struct lttng_consumer_channel *channel, int timer, int wait);
int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,
int lttng_ustconsumer_request_metadata(struct lttng_consumer_local_data *ctx,
struct lttng_consumer_channel *channel, int timer, int wait);
int lttng_ustconsumer_sync_metadata(struct lttng_consumer_local_data *ctx,