import java.io.File;
import java.io.FileWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Set;
<BUG>import java.util.TreeSet;
import javax.xml.bind.JAXBException;</BUG>
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;
import org.apache.commons.io.IOUtils;

import java.io.File;
import java.io.FileWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Set;
import java.util.TreeSet;
import javax.xml.bind.JAXBElement;
import javax.xml.bind.JAXBException;
import javax.xml.bind.Unmarshaller;
import javax.xml.transform.stream.StreamSource;
import org.apache.commons.io.IOUtils;
