addBlockRenderer(BlockElement\FencedCode::class, new FencedCodeRenderer()); $processor = new TOC\Processor($config); $environment->addEventListener(DocumentParsedEvent::class, [$processor, 'onDocumentParsed']); $environment->addBlockRenderer(TableOfContents::class, new TOC\Renderer($config)); $environment->addInlineRenderer(InlineElement\Image::class, new ImageRenderer($config)); } }