{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"//"}]}
                    // peel off, simply don't remove the "parent" `&`.
                    // To avoid edition-dependent logic to figure out how many refs this `&` can
                    self.cannot_remove.extend(parent_ref_pat.map(|r| r.hir_id));