{"ast_node_type":"import","tokens":[{"end":41,"kind":"keyword","start":0,"text":"use"}]}
    use crate::context::TypingEnvHelpers;
) -> Result<TyAndLayout<'tcx, Ty<'tcx>>, &'tcx layout::LayoutError<'tcx>> {
    cx.tcx.layout_of(cx.fully_monomorphized().as_query_input(ty))