Add gaslift optimization support for MSW.

Implements gas lift optimization support for multisegmented wells (MSW).

opm/simulators/wells/WellInterface.hpp

@@ -57,6 +57,7 @@ namespace Opm {
 #include <opm/material/densead/Evaluation.hpp>
 
 #include <opm/simulators/wells/WellInterfaceIndices.hpp>
+#include <opm/simulators/timestepping/ConvergenceReport.hpp>
 
 #include <cassert>
 #include <vector>
@@ -159,17 +160,18 @@ public:
                         const GroupState& group_state,
                         DeferredLogger& deferred_logger);
 
-    virtual void gasLiftOptimizationStage1 (
-        WellState& well_state,
-        const GroupState& group_state,
+    virtual void computeWellRatesWithBhp(
         const Simulator& ebosSimulator,
+        const double& bhp,
+        std::vector<double>& well_flux,
+        DeferredLogger& deferred_logger
+    ) const = 0;
+
+    virtual std::optional<double> computeBhpAtThpLimitProdWithAlq(
+        const Simulator& ebos_simulator,
+        const SummaryState& summary_state,
         DeferredLogger& deferred_logger,
-        GLiftProdWells& prod_wells,
-        GLiftOptWells& glift_wells,
-        GLiftWellStateMap& state_map,
-        GasLiftGroupInfo &group_info,
-        GLiftSyncGroups &sync_groups,
-        bool glift_debug
+        double alq_value
     ) const = 0;
 
     /// using the solution x to recover the solution xw for wells and applying