import java.lang.reflect.Field;
import java.util.*;
import java.util.concurrent.Future;
public class AppengineQueryDriver implements QueryDriver {
private static final String NORMALIZED_FIELD_PREFIX = "__";
<BUG>private Repository r;
private EntityToObjectConverter toObject;</BUG>
public AppengineQueryDriver(Repository r) {
this.r = r;
this.toObject = new EntityToObjectConverter(r);

import java.lang.reflect.Field;
import java.util.*;
import java.util.concurrent.Future;
public class AppengineQueryDriver implements QueryDriver {
private static final String NORMALIZED_FIELD_PREFIX = "__";
private Repository r;
private DatastoreService ds;
private EntityToObjectConverter toObject;
public AppengineQueryDriver(Repository r) {
this.r = r;
this.toObject = new EntityToObjectConverter(r);
