{"ast_node_type":"variable","tokens":[{"end":69,"kind":"keyword","start":0,"text":"let"}]}
                    let bk = ty::BorrowKind::from_mutbl(deref.mutbl);
                adjustment::Adjust::Deref(Some(ref deref)) => {
                    self.delegate.borrow_mut().borrow(&place_with_id, place_with_id.hir_id, bk);