{"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"sema.descend_into_macros_breakable(token.clone().into(),"}]}
    sema.descend_into_macros_breakable(token.clone().into(), |tok, _ctx| {
    let mut r = 0;
        // FIXME: Consider checking ctx transparency for being opaque?