code: public Setup getSetup(Media media)
      {
          Check.notNull(media);
          if (!setups.containsKey(media))
          {
              setups.put(media, createSetup(media));
          }
          return setups.get(media);
      }
docs: Get a setup reference from its media.
  
  @param media The setup media.
  @return The setup reference.
  @throws LionEngineException If no setup found for the media.