if (proxyOptional.isPresent()) {
            HttpProxySettings.HttpProxy proxy = s3ConnectionProperties.getProxy().get();
            clientConfiguration.setProxyHost(proxy.host);
            clientConfiguration.setProxyPort(proxy.port);
            PasswordCredentials credentials = proxy.credentials;
            if (credentials != null) {

        this.cookieSpec = cookieSpec;
    }

    public void setUserAgent(final String userAgent) {
        this.userAgent = userAgent;
    }

    public void setProxyHost(final String proxyHost) {
        this.proxyHost = proxyHost;
    }

    public void setProxyPort(final Integer proxyPort) {
        this.proxyPort = proxyPort;
    }