{"ast_node_type":"variable","tokens":[{"end":96,"kind":"keyword","start":0,"text":"let"}]}
    let position = ctx.expr_field(Ident::new(sym::position, sp), ctx.arena.alloc(position), sp);
    let width = make_count(ctx, sp, width, argmap);
    let flags = ctx.expr_field(Ident::new(sym::flags, sp), ctx.arena.alloc(flags), sp);