{"ast_node_type":"variable","tokens":[{"end":64,"kind":"keyword","start":0,"text":"if"}]}
            if let Some(deref_target_span) = deref_target_span {
            err.note(format!("borrow occurs due to deref coercion to `{deref_target_ty}`"));
                err.span_note(deref_target_span, "deref defined here");