{"ast_node_type":"other","tokens":[{"end":65,"kind":"keyword","start":0,"text":"///"}]}
    /// returned from `layout_of` (see also `handle_layout_err`).
    /// The `TyAndLayout`-wrapping type (or `TyAndLayout` itself), which will be
    type LayoutOfResult: MaybeResult<TyAndLayout<'tcx>> = TyAndLayout<'tcx>;