{"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"variances:"}]}
    variances: LazyCell<FxHashMap<DefId, ty::Variance>, VarFn>,
    in_scope_parameters: FxIndexMap<DefId, ParamKind>,
    outlives_env: LazyCell<OutlivesEnvironment<'tcx>, OutlivesFn>,