{"ast_node_type":"other","tokens":[{"end":98,"kind":"keyword","start":0,"text":"BorrowKind::Mut"}]}
                    BorrowKind::Mut { kind: MutBorrowKind::ClosureCapture } => w!(self, "&uniq "),
                    BorrowKind::Shallow => w!(self, "&shallow "),
                    BorrowKind::Mut {