-import javax.management.ObjectName;
-import javax.net.ssl.SSLContext;
-import javax.xml.parsers.ParserConfigurationException;
-import java.io.IOException;
-import java.io.InputStream;
-import java.lang.management.ManagementFactory;
-import java.net.InetSocketAddress;
-import java.security.KeyManagementException;
-import java.security.KeyStoreException;
-import java.security.NoSuchAlgorithmException;
-import java.security.UnrecoverableKeyException;
-import java.security.cert.CertificateException;
-import java.util.*;
-import java.util.concurrent.TimeUnit;
-
-import static junit.framework.Assert.assertEquals;
-import static junit.framework.Assert.assertNotNull;
-import static org.mockito.Mockito.doReturn;
-import static org.mockito.Mockito.mock;
-import static org.mockito.internal.util.Checks.checkNotNull;
+import com.google.common.base.Optional;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Sets;