{"ast_node_type":"other","tokens":[{"end":62,"kind":"keyword","start":0,"text":"ty::UpvarCapture::ByRef(BorrowKind::Immutable)"}]}
                ty::UpvarCapture::ByRef(BorrowKind::Immutable)
            hir::CaptureBy::Value { .. } | hir::CaptureBy::Use { .. } | hir::CaptureBy::Ref => {
            }