syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"vec![(body_start,"}]}
source_snippet:             vec![(body_start, "{ unsafe ".into()), (body_end, "}".into())],
context_before:             fluent::mir_build_wrap_suggestion,
context_after:             Applicability::MachineApplicable,