in lib/selenium-log-utils.js [22:28]
function updateLog(sessionId, type, logValue) {
logMap[sessionId] = (logMap[sessionId] || {});
const resultantLog = (logMap[sessionId][type] || []).concat(logValue);
logMap[sessionId][type] = resultantLog;
//logger.log('debug', 'updateLog resultantLog', sessionId, resultantLog);
return resultantLog;
}