protected async Task ConnectionStatEventerCallback(
IDictionary <string, object> stepParameters,
IDictionary <string, object> pluginParameters, IList <IRpcClient> clients)
{
var results = await Task.WhenAll(from client in clients
select client.QueryAsync(stepParameters));
// Merge statistics
var merged = SignalRUtils.MergeStatistics(results, _latencyMax, _latencyStep);
var connectionStatMerged = SignalRUtils.MergeConnectionStatistics(results, _percentileList.ToArray());
merged = merged.Union(connectionStatMerged).ToDictionary(entry => entry.Key, entry => entry.Value);
PrintAndSave(merged);
}