TreeBasedTable<String, Integer, Character> table = makeTable();
    populateTable(table);
    return table.rowMap().subMap("b", "x");
  }

  @Override
  protected Map<String, Map<Integer, Character>> makeEmptyMap() {
    return makeTable().rowMap().subMap("b", "x");
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "z";
  }

	}
}

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

    TreeBasedTable<String, Integer, Character> table = makeTable();
    populateTable(table);
    return table.rowMap().subMap("b", "x");
  }

  @Override
  protected Map<String, Map<Integer, Character>> makeEmptyMap() {
    return makeTable().rowMap().subMap("b", "x");
  }

  @Override
  protected String getKeyNotInPopulatedMap() {
    return "z";
  }

// 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()

type PartialAddError struct {
	inner error
}

func (e *PartialAddError) Error() string {
	return fmt.Sprintf("%s: %v", ErrPartialAdd.Error(), e.inner)
}

func (e *PartialAddError) Unwrap() []error {
	return []error{ErrPartialAdd, e.inner}
}

func NewErrPartialAdd(err error) *PartialAddError {
	return &PartialAddError{
		inner: err,
	}

    assertTrue(map.remove(one, one));
    assertEquals(0, map.size());

    cache.getUnchecked(one);
    Map<Object, Object> newMap = ImmutableMap.of(one, one);
    assertEquals(newMap, map);
    assertEquals(newMap.entrySet(), map.entrySet());
    assertEquals(newMap.keySet(), map.keySet());
    Set<Object> expectedValues = ImmutableSet.of(one);
    Set<Object> actualValues = ImmutableSet.copyOf(map.values());

    assertTrue(map.remove(one, one));
    assertEquals(0, map.size());

    cache.getUnchecked(one);
    Map<Object, Object> newMap = ImmutableMap.of(one, one);
    assertEquals(newMap, map);
    assertEquals(newMap.entrySet(), map.entrySet());
    assertEquals(newMap.keySet(), map.keySet());
    Set<Object> expectedValues = ImmutableSet.of(one);
    Set<Object> actualValues = ImmutableSet.copyOf(map.values());

        fbuf.reset();
        fbuf.setIndex(8);
        fbuf.setLength(fbuf.dec_ndr_short());

        if ( this.securityProvider != null ) {
            this.securityProvider.unwrap(fbuf);
        }
    }


    /**
     * @param msg
     * @param out
     * @return
     * @throws NdrException
     * @throws DcerpcException
     */

     */
    Configuration getConfig ();


    /**
     * 
     * @param type
     * @return session instance with the given type
     */
    <T extends SmbSession> T unwrap ( Class<T> type );


    /**
     * 
     * @return the context this session is attached to
     */
    CIFSContext getContext ();