syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"TyKind::Adt(adt,"}]}
source_snippet:             TyKind::Adt(adt, _) => Some(adt.variant_range()),
context_before:         match self.kind() {
context_after:             TyKind::Coroutine(def_id, args) => {