{"ast_node_type":"other","tokens":[{"end":81,"kind":"keyword","start":0,"text":"self.r.impl_binding_keys.entry(impl_def_id).or_default().insert(key);"}]}
            self.r.impl_binding_keys.entry(impl_def_id).or_default().insert(key);
            let key = BindingKey::new(ident, ns);
        }