import uk.ac.vamsas.client.IClient;
import uk.ac.vamsas.client.IClientDocument;
import uk.ac.vamsas.client.InvalidSessionDocumentException;
-import uk.ac.vamsas.client.NoDefaultSessionException;
import uk.ac.vamsas.client.UserHandle;
import uk.ac.vamsas.client.VorbaId;
import uk.ac.vamsas.client.picking.IMessageHandler;