import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;
import org.jdom2.Element;
import frodo2.algorithms.SolutionCollector;
import frodo2.algorithms.dpop.UTILmsg;
import frodo2.algorithms.dpop.UTILpropagation;
import frodo2.algorithms.dpop.stochastic.SamplingPhase.RandVarsProjMsg;
import frodo2.algorithms.varOrdering.dfs.DFSgeneration;
import frodo2.communication.Message;
import frodo2.communication.MessageType;
import frodo2.communication.Queue;
import frodo2.solutionSpaces.Addable;
import frodo2.solutionSpaces.BasicUtilitySolutionSpace;
import frodo2.solutionSpaces.DCOPProblemInterface;
import frodo2.solutionSpaces.UtilitySolutionSpace;
import frodo2.solutionSpaces.UtilitySolutionSpace.ProjOutput;
import frodo2.solutionSpaces.hypercube.ScalarHypercube;