import static com.google.common.collect.Ordering.from;
import static java.util.Collections.emptySet;
import static org.mockito.Matchers.any;
-import static org.mockito.Matchers.anyBoolean;
import static org.mockito.Matchers.anyString;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.doAnswer;