+ * @param score_abs the normalized score
+ */
+void
+GAS_normalization_normalize_preference (void *src,
+ const struct GNUNET_PeerIdentity *peer,
+ enum GNUNET_ATS_PreferenceKind kind,
+ float score_abs);
+
+/**
+ * Update and normalize a atsi performance information
+ *
+ * @param addresses hashmap containing all addresses
+ * @param address the address to update
+ * @param atsi the array of performance information
+ * @param atsi_count the number of atsi information in the array
+ */
+void
+GAS_normalization_normalize_property (struct GNUNET_CONTAINER_MultiPeerMap *addresses,
+ struct ATS_Address *address,
+ const struct GNUNET_ATS_Information *atsi,
+ uint32_t atsi_count);
+
+
+/**
+ * A performance client disconnected
+ *
+ * @param client the disconnecting client