using OpRewritePattern<SrcOpT>::OpRewritePattern;
  // Class users should override this method if there are any op-specific
  // compatibility requirements between the contraction op and the BiasAdd op.
  virtual bool AreFuseCompatible(SrcOpT contraction_op, BiasAddOp bias_add,
                                 PatternRewriter &rewriter) const {
    return true;
  }

  // Class users should override this method if there are any op-specific