code: private static void setupLoaderChainWithGosuUrl( ClassLoader loader ) {
      UrlClassLoaderWrapper wrapped = UrlClassLoaderWrapper.wrapIfNotAlreadyVisited( loader );
      if( wrapped == null ) {
        return;
      }
      addGosuClassUrl( wrapped );
      if( canWrapChain() ) {
        if( loader != ClassLoader.getSystemClassLoader() ) { // we don't bother messing with any loaders above the system loader e.g., ExtClassLoader
          loader = loader.getParent();
          if( loader != null ) {
            setupLoaderChainWithGosuUrl( loader );
          }
        }
      }
    }
docs: = null;