public static SSLConnectionSocketFactory of() {
        return new SSLConnectionSocketFactory(TlsContext.defaultSslContext(), protocols(), cipherSuites(), defaultVerifier());
    }
Provides {@link SSLConnectionSocketFactory} that applies protocol restrictions from {@link TlsContext}.

@author bjorncs
http-utils/src/main/java/ai/vespa/util/http/hc4/SslConnectionSocketFactory.java