import jcifs.internal.SMBSigningDigest;
import jcifs.internal.SmbNegotiation;
import jcifs.internal.SmbNegotiationResponse;
import jcifs.internal.dfs.DfsReferralDataImpl;
import jcifs.internal.dfs.DfsReferralRequestBuffer;
import jcifs.internal.dfs.DfsReferralResponseBuffer;
import jcifs.internal.dfs.Referral;
import jcifs.internal.smb1.AndXServerMessageBlock;
import jcifs.internal.smb1.ServerMessageBlock;

                // referrals.
                try ( SmbTreeHandleImpl th = ensureTreeConnected() ) {
                    if ( this.fileLocator.getType() == TYPE_SHARE ) {
                        // treeConnect is good enough, but we need to do this after resolving DFS
                        try ( SmbTreeHandleImpl th2 = ensureTreeConnected() ) {}