syntax_data: {"ast_node_type":"other","tokens":[{"end":45,"kind":"keyword","start":0,"text":"Applicability::MachineApplicable,"}]}
source_snippet:             Applicability::MachineApplicable,
context_before:             vec![(body_start, "{ unsafe ".into()), (body_end, "}".into())],
context_after:         );