+void
+GST_validation_stop (void);
+
+
+/**
+ * Update if we are using an address for a connection actively right now.
+ * Based on this, the validation module will measure latency for the
+ * address more or less often.
+ *
+ * @param address the address that we are now using (or not)
+ * @param in_use #GNUNET_YES if we are now using the address for a connection,
+ * #GNUNET_NO if we are no longer using the address for a connection
+ */
+void
+GST_validation_set_address_use (const struct GNUNET_HELLO_Address *address,
+ int in_use);