{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"if"}]}
    if !tcx.features().staged_api() {
fn lookup_const_stability(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Option<ConstStability> {
        // Propagate unstability. This can happen even for non-staged-api crates in case