syntax_data: {"ast_node_type":"other","tokens":[{"end":38,"kind":"keyword","start":0,"text":"Ref(_,"}]}
source_snippet:             Ref(_, ty, _) => Some(ty),
context_before:             _ if let Some(boxed) = self.boxed_ty() => Some(boxed),
context_after:             RawPtr(ty, _) if explicit => Some(ty),