if (smbAuthentications != null) {
            for (final SmbAuthentication smbAuthentication : smbAuthentications) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Adding SmbAuthentication: {}", smbAuthentication);
                }
                holder.add(smbAuthentication);
            }
        }
        smbAuthenticationHolder = holder;
    }

    @Override