import java.io.Externalizable;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.lang.reflect.Array;
import java.util.Iterator;
import org.jdom2.Element;
import frodo2.algorithms.AgentInterface;
import frodo2.algorithms.SolutionCollector;
import frodo2.algorithms.StatsReporterWithConvergence;
import frodo2.algorithms.varOrdering.linear.OrderMsg;
import frodo2.communication.Message;
import frodo2.communication.MessageType;
import frodo2.communication.Queue;
import frodo2.solutionSpaces.Addable;
import frodo2.solutionSpaces.DCOPProblemInterface;
import frodo2.solutionSpaces.UtilitySolutionSpace;
import frodo2.solutionSpaces.hypercube.ScalarHypercube;