docs: def _verify_configs(configs):
      """
      Verify a Molecule config was found and returns None.
  
      :param configs: A list containing absolute paths to Molecule config files.
      :return: None
      """
      if configs:
          scenario_names = [c.scenario.name for c in configs]
          for scenario_name, n in collections.Counter(scenario_names).items():
              if n > 1:
                  msg = ("Duplicate scenario name '{}' found.  "
                         'Exiting.').format(scenario_name)
                  util.sysexit_with_message(msg)
  
      else:
          msg = "'{}' glob failed.  Exiting.".format(MOLECULE_GLOB)
          util.sysexit_with_message(msg)