{"ast_node_type":"other","tokens":[{"end":86,"kind":"keyword","start":0,"text":"NullOp::SizeOf"}]}
            NullOp::SizeOf | NullOp::AlignOf | NullOp::OffsetOf(_) => tcx.types.usize,
        match self {
            NullOp::UbChecks | NullOp::ContractChecks => tcx.types.bool,