syntax_data: {"ast_node_type":"other","tokens":[{"end":55,"kind":"keyword","start":0,"text":"render_opts.push(dot::RenderOption::DarkTheme);"}]}
source_snippet:         render_opts.push(dot::RenderOption::DarkTheme);
context_before:     if tcx.sess.opts.unstable_opts.graphviz_dark_mode {
context_after:     }