public static @Nullable AttributeProvider get(String view) {
    AttributeProvider provider = PROVIDERS.get(view);

    if (provider == null && view.equals("unix")) {
      // create a new UnixAttributeProvider per file system, as it does some caching that should be
      // cleaned up when the file system is garbage collected
      return new UnixAttributeProvider();
    }

    return provider;
  }
Returns the attribute provider for the given view, or {@code null} if the given view is not one
of the attribute views this supports.
jimfs/src/main/java/com/google/common/jimfs/StandardAttributeProviders.java