code: protected final void endClientExecution(
              AWSRequestMetrics awsRequestMetrics, Request<?> request,
              Response<?> response, @Deprecated boolean loggingAwsRequestMetrics) {
          if (request != null) {
              awsRequestMetrics.endEvent(Field.ClientExecuteTime);
              awsRequestMetrics.getTimingInfo().endTiming();
              RequestMetricCollector c = findRequestMetricCollector(
                      request.getOriginalRequest().getRequestMetricCollector());
              c.collectMetrics(request, response);
              awsRequestMetrics.log();
          }
      }
docs: Common routine to end a client AWS request/response execution and collect
  the request metrics.  Caller of this routine is responsible for starting
  the event for {@link Field#ClientExecuteTime} and call this method
  in a try-finally block.
  
  @param loggingAwsRequestMetrics deprecated and ignored