anchor.diff:  
           return configFactory
                    .config(MyFactory.class, configPrefix)
  -                 .createMySerice(soService);
  +                 .createMyService(soService);
       }
   }
   ----
  
positive.code: ----
  // Starting the app with "--my-opt" will set "jobs.myjob.param" value to "y"
  BQCoreModule.extend(binder)
          .addOption(OptionMetaData.buidler("my-opt").valueOptionalWithDefault("y").build())
          .mapConfigPath("my-opt", "jobs.myjob.param");
  ----
  . Option presence loads a config resource, such as a YAML file:
  
negative.code: ----
  // Starting the app with "--my-opt" is equivalent to starting with "--config=classpath:xyz.yml"
  BQCoreModule.extend(binder)
          .addOption(OptionMetaData.builder("my-opt").build())
          .mapConfigResource("my-opt", "classpath:xyz.yml");
  ----
  
  