{"ast_node_type":"other","tokens":[{"end":53,"kind":"keyword","start":0,"text":"AddrOf(BorrowKind,"}]}
    AddrOf(BorrowKind, Mutability, &'hir Expr<'hir>),
    /// A referencing operation (i.e., `&a` or `&mut a`).
    /// A `break`, with an optional label to break.