code: public static Iterable<ConfigurationOption> getWindupConfigurationOptions(Addon addon)
      {
          IdentityHashMap<ClassLoader, Addon> classLoaderToAddon = new IdentityHashMap<>();
          for (Addon loadedAddon : FurnaceHolder.getAddonRegistry().getAddons())
          {
              classLoaderToAddon.put(loadedAddon.getClassLoader(), loadedAddon);
          }
  
          List<ConfigurationOption> results = new ArrayList<>();
          Imported<ConfigurationOption> options = FurnaceHolder.getAddonRegistry()
                      .getServices(ConfigurationOption.class);
          for (ConfigurationOption option : options)
          {
              ClassLoader optionClassLoader = option.getClass().getClassLoader();
              Addon optionAddon = classLoaderToAddon.get(optionClassLoader);
              if (optionAddon.equals(addon))
              {
                  results.add(option);
              }
          }
          return results;
      }
docs: Returns all of the {@link ConfigurationOption} in the specified {@link Addon}.