What does the "squid:" Prefix mean in SonarLint Rules?

I just started using the SonarLint plugin for Eclipse to analyze my Java code. I was wondering, what does the "squid:" prefix mean in SonarLint Rule keys? Does it stand for something? (see screenshot below)

Sonar Rules Config Dialog

Thanks!

Michael

Solution

As far as I know, it is SonarQube Unique ID -> squid. However, my colleagues could correct me if I'm wrong :)

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