return CreateI32SplatConst(op.getLoc(), rewriter, {1}, 0);
  }
};

struct ConvertTensorListPushBack
    : public OpConversionPattern<TF::TensorListPushBackOp> {
  using OpConversionPattern::OpConversionPattern;

  LogicalResult matchAndRewrite(
      TF::TensorListPushBackOp op, OpAdaptor adaptor,
      ConversionPatternRewriter &rewriter) const override {
    Value input_handle = adaptor.getOperands()[0];