{"ast_node_type":"function","tokens":[{"end":81,"kind":"keyword","start":0,"text":"fn"}]}
    fn unsizing_params_for_adt(self, adt_def_id: DefId) -> Self::UnsizingParams {
    type UnsizingParams = &'tcx rustc_index::bit_set::DenseBitSet<u32>;
        self.unsizing_params_for_adt(adt_def_id)