code: public static Bushwhacker tryForRules(String rulesFileNameOnClasspath) {
      try {
        return forRules(rulesFileNameOnClasspath);
      } catch (IOException e) {
        return logAndMakeNoOp(rulesFileNameOnClasspath, e);
      }
    }
docs: Convenient wrapper of #forRules that swallows any exception (logging it to warn first) then
  returns a NoOp implementation of Bushwhacker.  This is convenient when you are using
  Bushwhacker in its typical usage scenario and want it to silently fail
  @param rulesFileNameOnClasspath
  @return