}
@Override
public void visitDuration(Duration duration) {
int count = duration.getCount();
Domain domainInfo = m_report.findOrCreateDomain(m_currentDomain);
ExceptionItem target = domainInfo.findOrCreateExceptionItem(m_exception);
List<String> oldMessages = target.getMessages();
List<String> newMessages = duration.getMessages();
target.setCount(target.getCount() + count);
mergeList(oldMessages, newMessages, SIZE);