private HttpFetcherConfig getAdditionalHttpFetcherConfig(ParseContext parseContext) throws JsonProcessingException {
        HttpFetcherConfig additionalHttpFetcherConfig = null;
        FetcherConfigContainer fetcherConfigContainer = parseContext.get(FetcherConfigContainer.class);
        if (fetcherConfigContainer != null) {
            additionalHttpFetcherConfig = OM.readValue(fetcherConfigContainer.getJson(), HttpFetcherConfig.class);
        }
        return additionalHttpFetcherConfig;
    }
If there were redirects, this captures the final URL visited
tika-pipes/tika-fetchers/tika-fetcher-http/src/main/java/org/apache/tika/pipes/fetcher/http/HttpFetcher.java