{"ast_node_type":"other","tokens":[{"end":37,"kind":"keyword","start":0,"text":"BorrowKind::Mut"}]}
                    BorrowKind::Mut {
                    BorrowKind::Mut { kind: MutBorrowKind::ClosureCapture } => w!(self, "&uniq "),
                        kind: MutBorrowKind::Default | MutBorrowKind::TwoPhasedBorrow,