{"ast_node_type":"other","tokens":[{"end":60,"kind":"keyword","start":0,"text":"const"}]}
    const ON_DUPLICATE: OnDuplicate<S> = OnDuplicate::Error;
    const PATH: &[Symbol] = &[sym::rustc_paren_sugar];
    const CREATE: fn(Span) -> AttributeKind = AttributeKind::ParenSugar;