{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"FnCtxt::Free"}]}
                FnCtxt::Free => BuiltinUnsafe::DeclUnsafeFn,
                FnCtxt::Foreign => return,
                FnCtxt::Assoc(_) if body.is_none() => BuiltinUnsafe::DeclUnsafeMethod,