*/
package async;
import org.simgrid.msg.Comm;
+import org.simgrid.msg.Host;
import org.simgrid.msg.HostFailureException;
+import org.simgrid.msg.HostNotFoundException;
import org.simgrid.msg.Msg;
import org.simgrid.msg.Task;
import org.simgrid.msg.TaskCancelledException;