code: @SuppressFBWarnings(justification = "Accepting that this is a bad practice - but made more sense in this use case",
              value = {"NP_BOOLEAN_RETURN_NULL"})
      public Boolean isRetiredEnabled() {
          return (line != null && line.hasOption(ARGUMENT.RETIRED)) ? true : null;
      }
docs: Returns true if the retired analyzers are enabled.
  
  @return true if the retired analyzers are enabled; otherwise null