{"ast_node_type":"other","tokens":[{"end":96,"kind":"keyword","start":0,"text":"tcx.hir_opt_const_param_default_param_def_id(tcx.local_def_id_to_hir_id(def_id))"}]}
                tcx.hir_opt_const_param_default_param_def_id(tcx.local_def_id_to_hir_id(def_id))
            && let Some(defaulted_param_def_id) =
        {