+/** Request a list of configured binding modes. */
+#define I3_IPC_MESSAGE_TYPE_GET_BINDING_MODES 8
+
+/** Request the raw last loaded i3 config. */
+#define I3_IPC_MESSAGE_TYPE_GET_CONFIG 9
+
+/** Send a tick event to all subscribers. */
+#define I3_IPC_MESSAGE_TYPE_SEND_TICK 10
+
+/** Trigger an i3 sync protocol message via IPC. */
+#define I3_IPC_MESSAGE_TYPE_SYNC 11
+