import ar.com.fdvs.dj.domain.DJCrosstab;
import ar.com.fdvs.dj.domain.DJCrosstabColumn;
import ar.com.fdvs.dj.domain.DJCrosstabRow;
import ar.com.fdvs.dj.domain.entities.columns.ExpressionColumn;
import ar.com.fdvs.dj.domain.entities.columns.ImageColumn;
<BUG>import ar.com.fdvs.dj.domain.entities.columns.PropertyColumn;
import java.util.*;
</BUG>
public class SortUtils {
public static List sortCollection(Collection dummyCollection, List columns) {

import ar.com.fdvs.dj.domain.DJCrosstab;
import ar.com.fdvs.dj.domain.DJCrosstabColumn;
import ar.com.fdvs.dj.domain.DJCrosstabRow;
import ar.com.fdvs.dj.domain.entities.columns.ExpressionColumn;
import ar.com.fdvs.dj.domain.entities.columns.ImageColumn;
import ar.com.fdvs.dj.domain.entities.columns.PropertyColumn;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
public class SortUtils {
public static List sortCollection(Collection dummyCollection, List columns) {
