code: package org.optsol.project_scheduling.mrcpsp.see.constraints.rsee;
  
  import com.google.ortools.linearsolver.MPConstraint;
  import com.google.ortools.linearsolver.MPSolver;
  import com.google.ortools.linearsolver.MPVariable;
  import java.util.Collection;
  import java.util.HashSet;
  import java.util.Set;
  import org.optsol.jdecor.core.AbstractVariableManager;
  import org.optsol.jdecor.ortools.AbstractOrtoolsConstraintManager;
  import org.optsol.project_scheduling.mrcpsp.constants.sub.IConstants_A;
  import org.optsol.project_scheduling.mrcpsp.constants.sub.IConstants_M_i;
  import org.optsol.project_scheduling.mrcpsp.see.variables.DecisionVars_Rsee;
  
  public class RSEE_m_ModeConsistency<CONST
      extends IConstants_A & IConstants_M_i>
      extends AbstractOrtoolsConstraintManager<CONST> {
  
    public RSEE_m_ModeConsistency() {
      super("i", "m");
    }
  
    @Override
    protected Collection<ConstraintKey> createKeys(CONST constants) {
      Set<ConstraintKey> keys = new HashSet<>();
      for (int i : constants.get_A()) {
        for (int m : constants.get_M_i(i)) {
          keys.add(new ConstraintKey(i, m));
        }
      }
      return keys;
    }
  
    @Override
    protected void configureConstraint(
        MPConstraint constraint,
        CONST constants,
        AbstractVariableManager<MPSolver, MPVariable> variables, ConstraintKey index)
        throws Exception {
  
      int i = index.get("i");
      int m = index.get("m");
  
      constraint.setUb(1);
  
      for (int mPrime : constants.get_M_i(i)) {
        if (mPrime != m) {
          constraint.setCoefficient(
              variables.getVar(DecisionVars_Rsee.y_tilde, i, mPrime, constants.get_card_A()),
              1);
        }
      }
  
      constraint.setCoefficient(
          variables.getVar(DecisionVars_Rsee.x_tilde, i, m, constants.get_card_A() - 1),
          1);
    }
  }
  