+/*
+ * NAME
+ * ovs_utils_get_map_value
+ *
+ * DESCRIPTION
+ * Get OVS DB map value by given map key (rfc7047, "Notation" section).
+ *
+ * PARAMETERS
+ * `jval' A 2-element YAJL array that represents a OVS DB map value.
+ * `key' OVS DB map key name.
+ *
+ * RETURN VALUE
+ * YAJL value upon success or NULL if key not found.
+ */
+yajl_val ovs_utils_get_map_value(yajl_val jval, const char *key);
+