import frodo2.solutionSpaces.Addable;
import frodo2.solutionSpaces.AddableReal;
import frodo2.solutionSpaces.BasicUtilitySolutionSpace;
import frodo2.solutionSpaces.ProblemInterface;
import frodo2.solutionSpaces.SolutionSpace;
import frodo2.solutionSpaces.UtilitySolutionSpace;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;
import java.io.Serializable;
import java.lang.reflect.Array;
import java.lang.reflect.Method;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.StringTokenizer;
import org.jdom2.Document;
import org.jdom2.Element;
import org.jdom2.input.SAXBuilder;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;