syntax_data: {"ast_node_type":"other","tokens":[{"end":93,"kind":"keyword","start":0,"text":"vec![dot::RenderOption::Fontname(tcx.sess.opts.unstable_opts.graphviz_font.clone())];"}]}
source_snippet:         vec![dot::RenderOption::Fontname(tcx.sess.opts.unstable_opts.graphviz_font.clone())];
context_before:     let mut render_opts =
context_after:     if tcx.sess.opts.unstable_opts.graphviz_dark_mode {