+/** Reason not to accept a server's new announcement. */
+enum lh_type {
+ ALLOWED, /**< The new server link is accepted. */
+ MAX_HOPS_EXCEEDED, /**< The path to the server is too long. */
+ NOT_ALLOWED_TO_HUB, /**< My peer is not allowed to hub for the server. */
+ I_AM_NOT_HUB /**< I have another active server link but not FEAT_HUB. */
+};
+