+
+/* Search. */
+unsigned int ovsdb_datum_find_key(const struct ovsdb_datum *,
+ const union ovsdb_atom *key,
+ enum ovsdb_atomic_type key_type);
+unsigned int ovsdb_datum_find_key_value(const struct ovsdb_datum *,
+ const union ovsdb_atom *key,
+ enum ovsdb_atomic_type key_type,
+ const union ovsdb_atom *value,
+ enum ovsdb_atomic_type value_type);
+
+/* Set operations. */