+/*
+ * Indicates whether or not a stream is logically deleted. A deleted stream
+ * should no longer be used; its existence is only garanteed by the RCU lock
+ * held by the caller.
+ *
+ * This function must be called with the RCU read side lock held.
+ */
+bool consumer_stream_is_deleted(struct lttng_consumer_stream *stream);
+
+/*
+ * Enable metadata bucketization. This must only be enabled if the tracer
+ * provides a reliable metadata `coherent` flag.
+ *
+ * This must be called on initialization before any subbuffer is consumed.
+ */
+int consumer_stream_enable_metadata_bucketization(
+ struct lttng_consumer_stream *stream);
+