docs: public void done() {
      final int processing_time = processingTimeMillis();
     final String url = request.getUri();
     final String msg = String.format("HTTP %s done in %d ms", url, processing_time);
     if (url.startsWith("/api/put") && LOG.isDebugEnabled()) {
       // NOTE: Suppresses too many log lines from /api/put.
       LOG.debug(msg);
     } else {
       logInfo(msg);
     }
      logInfo("HTTP " + request.getUri() + " done in " + processing_time + "ms");
    }