@Override
public void run(AssetsBundleConfiguration bundleConfig, Environment env) throws Exception {
AssetsConfiguration config = bundleConfig.getAssetsConfiguration();
// Let the cache spec from the configuration override the one specified in the code
CacheBuilderSpec spec = (config.getCacheSpec() != null)
? CacheBuilderSpec.parse(config.getCacheSpec())
: cacheBuilderSpec;
Iterable<Map.Entry<String, String>> overrides = config.getOverrides();
Iterable<Map.Entry<String, String>> mimeTypes = config.getMimeTypes();