{"ast_node_type":"other","tokens":[{"end":52,"kind":"keyword","start":0,"text":"ty::UpvarCapture::ByRef("}]}
                            ty::UpvarCapture::ByRef(
                        match captured_place.info.capture_kind {
                                ty::BorrowKind::Mutable | ty::BorrowKind::UniqueImmutable,