import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Iterator;
<BUG>import java.util.List;
import java.util.Random;
import java.util.concurrent.CountDownLatch;</BUG>
public class TestFlowQueueIntegrationApp implements Application {
public static final int MAX_ITERATIONS = 20;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Random;
public class TestFlowQueueIntegrationApp implements Application {
public static final int MAX_ITERATIONS = 20;
