{"ast_node_type":"other","tokens":[{"end":50,"kind":"keyword","start":0,"text":"ty::UpvarCapture::ByUse"}]}
        ty::UpvarCapture::ByUse => "ByUse".into(),
        ty::UpvarCapture::ByValue => "ByValue".into(),
        ty::UpvarCapture::ByRef(kind) => format!("{kind:?}"),