{"ast_node_type":"other","tokens":[{"end":41,"kind":"keyword","start":0,"text":"#[instrument(level"}]}
#[instrument(level = "debug", skip(tcx))]
/// inferred constraints concerning which regions outlive other regions.
pub(super) fn predicates_of(tcx: TyCtxt<'_>, def_id: DefId) -> ty::GenericPredicates<'_> {