@Override
    public ServerSocket createServerSocket(int port, int backlog, InetAddress iAddress)
            throws IOException {
        return new ConscryptServerSocket(
                port, backlog, iAddress, (SSLParametersImpl) sslParameters.clone())
                .setUseEngineSocket(useEngineSocket);
    }
Configures the socket to be created for this instance. If not called,
{@link #useEngineSocketByDefault} will be used.
common/src/main/java/org/conscrypt/OpenSSLServerSocketFactoryImpl.java