+ /**
+ * Solving of the LP problem was started
+ * MLP solver only
+ */
+ GAS_OP_SOLVE_MLP_LP_START,
+
+ /**
+ * Solving of the LP problem is done
+ * MLP solver only
+ */
+ GAS_OP_SOLVE_MLP_LP_STOP,
+
+ /**
+ * Solving of the MLP problem was started
+ * MLP solver only
+ */
+ GAS_OP_SOLVE_MLP_MLP_START,
+
+ /**
+ * Solving of the MLP problem is done
+ * MLP solver only
+ */
+ GAS_OP_SOLVE_MLP_MLP_STOP,
+
+ /**
+ * After the problem was finished, start notifications about changes
+ * to addresses
+ */
+ GAS_OP_SOLVE_UPDATE_NOTIFICATION_START,
+
+ /**
+ * After the problem was finished, notifications about changes to addresses
+ * are done
+ */
+ GAS_OP_SOLVE_UPDATE_NOTIFICATION_STOP
+};