public static SSLEngineFactory get(JKS jks) throws GeneralSecurityException, IOException {
        if (sEngineFactory == null) {
            synchronized (SSLEngineFactory.class) {
                if (sEngineFactory == null) {
                    sEngineFactory = new SSLEngineFactory(jks);
                }
            }
        }
        return sEngineFactory;
    }
{@link SSLContext}: Every implementation of the Java platform is required
to support the following standard SSLContext protocol: TLSv1
netbare-core/src/main/java/com/github/megatronking/netbare/ssl/SSLEngineFactory.java