public long getLastUpdate(final Map<HttpRoute, Long> updates, final HttpRoute route) {
        return updates.getOrDefault(route, 0L);
    }
Retrieves the last update timestamp for the specified route from the provided updates map.

@param updates the map containing update timestamps for HttpRoutes
@param route   the HttpRoute for which the last update timestamp is needed
@return the last update timestamp for the specified route or 0L if not present in the map
httpclient5/src/main/java/org/apache/hc/client5/http/impl/classic/AbstractBackoff.java