{"ast_node_type":"other","tokens":[{"end":27,"kind":"keyword","start":0,"text":"rustc_abi::ReprOptions,"}]}
    rustc_abi::ReprOptions,
    Result<rustc_middle::traits::EvaluationResult, rustc_middle::traits::OverflowError>,
    rustc_ast::expand::allocator::AllocatorKind,