default SSLContext sslContext() {
        try {
            return SSLContext.getDefault();
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException(e);
        }
    }
Returns an SSLContext which provides authentication against a Vespa endpoint.
tenant-cd-api/src/main/java/ai/vespa/hosted/cd/EndpointAuthenticator.java