docs: def find_harpoon_options(self, configuration, args_dict):
          """Return us all the harpoon options"""
          d = lambda r: {} if r in (None, "", NotSpecified) else r
          return MergedOptions.using(
                dict(d(configuration.get('harpoon')).items())
              , dict(d(args_dict.get("harpoon")).items())
              ).as_dict()