@Override
    public void extensionRemoved(@NotNull EmbeddedTokenHighlighter extension, @NotNull PluginDescriptor pluginDescriptor) {
      MultiMap<IElementType, TextAttributesKey> attributes = extension.getEmbeddedTokenAttributes();
      for (IElementType key : attributes.keySet()) {
        myMap.remove(key);
      }
      registerAdditionalHighlighters(myMap);
    }
@Override
    public void extensionRemoved(@NotNull EmbeddedTokenHighlighter extension, @NotNull PluginDescriptor pluginDescriptor)