// ```
class ComposeUniformQuantizedConvolutionOp
    : public OpRewritePattern<stablehlo::ConvolutionOp> {
 public:
  using OpRewritePattern<stablehlo::ConvolutionOp>::OpRewritePattern;

  LogicalResult match(stablehlo::ConvolutionOp op) const final {
    // Verify operands' types.
    for (Type operand_type : op.getOperandTypes()) {
      if (Type element_type =