{"ast_node_type":"variable","tokens":[{"end":36,"kind":"keyword","start":0,"text":"let"}]}
        let callee_target_features =
        // RFC 2396 <https://rust-lang.github.io/rfcs/2396-target-feature-1.1.html>.
            TargetFeatures::from_attrs_no_implications(&db.attrs(func.into()));