@Override
    public boolean equals(Object o) {
      if (this == o) return true;
      if (o == null || getClass() != o.getClass()) return false;

      ProblemFileInfo that = (ProblemFileInfo)o;

      return hasSyntaxErrors == that.hasSyntaxErrors && problems.equals(that.problems);
    }
@Override
    public boolean equals(Object o)