message: for loop -> Object.keys(...).forEach
diff: @@ -193,9 +193,9 @@ IrcBridge.prototype._initialiseMetrics = function() {
  this._clientPool.totalReconnectsWaiting(server.domain)
  );
  this._clientPool.getIdleConnectionMetrics(server.domain).then((idleBuckets) => {
  - for (const bucket in idleBuckets) {
  + Object.keys(idleBuckets).forEach((bucket) => {
  idleConnections.set({server: server.domain, period: bucket}, idleBuckets[bucket]);
  - }
  + });
  });
  });
  