}
}

const unwrapErrsDepth = 3

// unwrapErrs upto the point where errors.Unwrap(err) returns nil
func unwrapErrs(err error) (leafErr error) {
	uerr := errors.Unwrap(err)
	depth := 1
	for uerr != nil {
		// Save the current `uerr`
		leafErr = uerr
		// continue to look for leaf errors underneath
		uerr = errors.Unwrap(leafErr)
		depth++
		if depth == unwrapErrsDepth {
			// If we have reached enough depth we

                .unwrap(SmbTransportInternal.class);
              SmbSessionInternal smbSession = smbTransport.getSmbSession(tf, dc.getHostName(), null).unwrap(SmbSessionInternal.class);
              SmbTreeInternal tree = smbSession.getSmbTree(tf.getConfig().getLogonShare(), null).unwrap(SmbTreeInternal.class) ) {
            tree.connectLogon(tf);
        }
    }

func Errorf(format string, a ...interface{}) error {
	e := fmt.Errorf(format, a...)
	ee := Error{}
	ee.msg = e.Error()
	ee.cause = errors.Unwrap(e)
	return ee
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.cause }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.msg == "" {
		return "crypto: cause <nil>"
	}
	return e.msg
}

// the string as a value that satisfies error of type tagging.Error
func Errorf(format string, a ...interface{}) error {
	return Error{err: fmt.Errorf(format, a...)}
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.err }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.err == nil {
		return "lifecycle: cause <nil>"
	}
	return e.err.Error()

// the string as a value that satisfies error of type tagging.Error
func Errorf(format string, a ...interface{}) error {
	return Error{err: fmt.Errorf(format, a...)}
}

// Unwrap the internal error.
func (e Error) Unwrap() error { return e.err }

// Error 'error' compatible method.
func (e Error) Error() string {
	if e.err == nil {
		return "versioning: cause <nil>"
	}
	return e.err.Error()

                  SmbSessionInternal session = treeHandle.getSession().unwrap(SmbSessionInternal.class) ) {
                assertNotNull(session);
                try ( SmbTransportInternal transport = session.getTransport().unwrap(SmbTransportInternal.class) ) {
                    assertNotNull(transport);
                    transport.disconnect(true, true);

  int real_num_outputs = expected_max_outputs;
  TFE_OpSetCancellationManager(op_.get(), wrap(cancellation_manager_), status);
  if (TF_GetCode(status) != TF_OK) return;

  // unwrap op_ and set step_id only if valid step id value was set.
  // Currently only required for non-TFRT use cases, e.g., EagerOp.
  if (step_id_.has_value()) {
    tensorflow::unwrap(op_.get())->SetStepId(step_id_.value());
  }

            break;
        default:
            throw new SmbException(rpc.retval, false);
        }

        for ( int si = 0; si < sids.length; si++ ) {
            SID out = sids[ si ].unwrap(SID.class);
            LsarTranslatedName resp = rpc.names.names[ si ];
            out.domainName = null;
            switch ( resp.sid_type ) {
            case jcifs.SID.SID_TYPE_USER:

                DfsReferralData initial = null;
                @SuppressWarnings ( "resource" )
                SmbTransportInternal trans = dc != null ? dc.unwrap(SmbTransportInternal.class) : null;
                if ( trans != null ) {
                    // get domain referral

                return wrap(hostname, super.getByName(hostname, possibleNTDomainOrWorkgroup));
            }


            private Address wrap ( String hostname, Address byName ) {
                NetbiosAddress nbt = byName.unwrap(NetbiosAddress.class);
                if ( nbt != null ) {
                    return new UniAddress(this.replacementNetbios);