func (t Token) Close() error {
	return CloseHandle(Handle(t))
}

// getInfo retrieves a specified type of information about an access token.
func (t Token) getInfo(class uint32, initSize int) (unsafe.Pointer, error) {
	n := uint32(initSize)
	for {
		b := make([]byte, n)
		e := GetTokenInformation(t, class, &b[0], uint32(len(b)), &n)
		if e == nil {
			return unsafe.Pointer(&b[0]), nil
		}