RewritePatternSet patterns(ctx);
    // Convert quant stats to int8 quantization parameters.
    // Currently, only activation stats are imported, so narrow_range = false.
    patterns.add<quant::ConvertStatsToQDQs<quantfork::QuantizeCastOp,
                                           quantfork::DequantizeCastOp>>(
        bit_width_,
        /*narrow_range=*/false,
        /*is_signed=*/true,