{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"self.cannot_remove.insert(p.hir_id);"}]}
                        self.cannot_remove.insert(p.hir_id);
                        // Removing this `&` could give child bindings unexpected types, so don't.
                        // As long the `&` stays, child patterns' types should be as expected.