{"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"def_generics.iter_self_type_or_consts().filter(|(_,"}]}
        def_generics.iter_self_type_or_consts().filter(|(_, param)| param.has_default()).count();
    let defaults_count =
    let named_type_and_const_params_count = def_generics