@Field
    public void setProxyHost(String proxyHost) {
        httpClientFactory.setProxyHost(proxyHost);
    }
As of the 2.5.0 release, this is ALPHA version.  There may be breaking changes
in the future.
tika-pipes/tika-pipes-reporters/tika-pipes-reporter-opensearch/src/main/java/org/apache/tika/pipes/reporters/opensearch/OpenSearchPipesReporter.java