if (payload instanceof NullPayload) {
// <start id="lis_12_context_statistics"/>
final AllStatistics allStatistics = muleContext.getStatistics();
allStatistics.logSummary(new XMLPrinter(xmlStatisticsWriter));
// <end id="lis_12_context_statistics"/>
} else {
final String flowName = payload.toString();
// <start id="lis_12_registry_flow_statistics"/>