+// !!! IMPORTANT !!!
+/* There is some space reserved in the protocol for future use.
+ * When adding a new type, add it just before the "reserved" definition
+ * and subtract the size of this new type from the RESERVED_SPACE definition
+ * (1 for (u)int32_t or float and 2 for double).
+ *
+ * This way the protocol will be forward and backward compatible until
+ * RESERVED_SPACE becomes zero.
+ */
+
+#define RESERVED_SPACE 25
+const uint32_t FG_NET_CTRLS_VERSION = 27;