package org.opendaylight.controller.netconf.util.messages;
-import org.opendaylight.controller.netconf.api.NetconfMessage;
-
+import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
+import com.google.common.collect.Sets;
import java.util.Set;
-
import org.opendaylight.controller.netconf.api.NetconfDocumentedException;
+import org.opendaylight.controller.netconf.api.NetconfMessage;
import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
import org.opendaylight.controller.netconf.util.exception.MissingNameSpaceException;
import org.opendaylight.controller.netconf.util.xml.XmlElement;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
-import com.google.common.base.Optional;
-import com.google.common.base.Preconditions;
-import com.google.common.collect.Sets;
-
/**
* NetconfMessage that can carry additional header with session metadata. See {@link org.opendaylight.controller.netconf.util.messages.NetconfHelloMessageAdditionalHeader}
*/