docs: @Override
    public void close(final URI uri, final ClassLoader classLoader) {
      if (uri == null || classLoader == null) {
        throw new NullPointerException();
      }
  
      synchronized (cacheManagers) {
        final ConcurrentMap<URI, Eh107CacheManager> map = cacheManagers.get(classLoader);
        if (map != null) {
          final Eh107CacheManager cacheManager = map.remove(uri);
          if (cacheManager != null) {
            cacheManager.closeInternal();
          }
        }
      }
    }