{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"hcx.while_hashing_spans(false,"}]}
                        hcx.while_hashing_spans(false, |hcx| cv.hash_stable(hcx, &mut hasher));
                        let mut hasher = StableHasher::new();
                        hasher.finish::<Hash64>()