import com.ning.http.client.SimpleAsyncHttpClient;
import com.ning.http.client.generators.InputStreamBodyGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayInputStream;
<BUG>import java.io.IOException;</BUG>
import java.util.List;
import java.util.Map;
<BUG>import java.util.concurrent.ExecutionException;</BUG>
import java.util.concurrent.Future;

import com.ning.http.client.SimpleAsyncHttpClient;
import com.ning.http.client.generators.InputStreamBodyGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.ByteArrayInputStream;
import java.util.List;
import java.util.Map;
import java.util.concurrent.Future;
