{"ast_node_type":"other","tokens":[{"end":51,"kind":"keyword","start":0,"text":")"}]}
    ) -> Vec<ty::PolyTypeOutlivesPredicate<'tcx>> {
        alias_ty: ty::AliasTy<'tcx>,
        let erased_alias_ty = self.tcx.erase_regions(alias_ty.to_ty(self.tcx));