src/main/java/se/bjurr/violations/lib/parsers/FindbugsParser.java
private SEVERITY toSeverity(Integer rank) {
    if (rank <= 9) {
      return SEVERITY.ERROR;
    }
    if (rank <= 14) {
      return SEVERITY.WARN;
    }
    return SEVERITY.INFO;
  }
private SEVERITY toSeverity(Integer rank) {
    if (rank <= 9) {
      return SEVERITY.ERROR;
    }
    if (rank <= 14) {
      return SEVERITY.WARN;
    }
    return SEVERITY.INFO;
  }
Bugs are given a rank 1-20, and grouped into the categories scariest (rank 1-4), scary (rank
5-9), troubling (rank 10-14), and of concern (rank 15-20).