syntax_data: {"ast_node_type":"other","tokens":[{"end":43,"kind":"keyword","start":0,"text":"Some(dot::LabelText::label(\"none\"))"}]}
source_snippet:         Some(dot::LabelText::label("none"))
context_before:     fn node_shape(&self, _n: &Self::Node) -> Option<dot::LabelText<'_>> {
context_after:     }