{"ast_node_type":"variable","tokens":[{"end":84,"kind":"keyword","start":0,"text":"let"}]}
        let current_impl_trait_bounds = std::mem::take(&mut self.impl_trait_bounds);
        let current_impl_trait_defs = std::mem::take(&mut self.impl_trait_defs);
        let current_delayed_lints = std::mem::take(&mut self.delayed_lints);