{"ast_node_type":"variable","tokens":[{"end":61,"kind":"keyword","start":0,"text":"let"}]}
        let mut self_param_to_point_at = find_param_matching(
        // to the `Self` type are true.
            &|param_term| matches!(param_term, ParamTerm::Ty(ty) if ty.name == kw::SelfUpper),