protected long getTimeoutMillis(InputStreamRequest request) {
        return ParameterParser.asMilliSeconds(request.getProperty("timeout"), defaultTimeoutMillis);
    }
@param request Request object to get the POST data stream from
@return An InputStream that either is a GZIP wrapper or simply the
        original data stream.
@throws IllegalArgumentException if GZIP stream creation failed
vespaclient-core/src/main/java/com/yahoo/feedhandler/VespaFeedHandlerBase.java