{"ast_node_type":"variable","tokens":[{"end":56,"kind":"keyword","start":0,"text":"let"}]}
    let mut result = tcx.explicit_predicates_of(def_id);
pub(super) fn predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericPredicates<'_> {
    debug!("predicates_of: explicit_predicates_of({:?}) = {:?}", def_id, result);