{"ast_node_type":"variable","tokens":[{"end":55,"kind":"keyword","start":0,"text":"if"}]}
        if let DefKind::AssocTy = self.def_kind(def_id)
    pub fn opt_rpitit_info(self, def_id: DefId) -> Option<ImplTraitInTraitData> {
            && let AssocKind::Type { data: AssocTypeData::Rpitit(rpitit_info) } =