{"ast_node_type":"other","tokens":[{"end":70,"kind":"keyword","start":0,"text":"Mutability::Not"}]}
            Mutability::Not => CaptureKind::ByRef(BorrowKind::Shared),
            Mutability::Mut => CaptureKind::ByRef(BorrowKind::Mut { kind: MutBorrowKind::Default }),
        };