virtual absl::Status SetAttrType(const char* attr_name, DataType value) = 0;
  virtual absl::Status SetAttrShape(const char* attr_name, const int64_t* dims,
                                    const int num_dims) = 0;
  virtual absl::Status SetAttrShape(const char* attr_name,
                                    const PartialTensorShape shape);
  virtual absl::Status SetAttrFunction(const char* attr_name,

                         ForwardOperation*);
absl::Status SetAttrType(AbstractOperation*, const char* attr_name,
                         DataType value, ForwardOperation*);
absl::Status SetAttrShape(AbstractOperation*, const char* attr_name,
                          const int64_t* dims, const int num_dims,
                          ForwardOperation*);
absl::Status SetAttrFunction(AbstractOperation*, const char* attr_name,

          "op_type and op_name must be specified before specifying attrs.");
    }
    op_->node_builder.Attr(attr_name, value);
    return absl::OkStatus();
  }
  absl::Status SetAttrShape(const char* attr_name, const int64_t* dims,
                            const int num_dims) override {
    PartialTensorShape shape;
    if (num_dims >= 0) {
      shape = PartialTensorShape(absl::Span<const int64_t>(

                         DataType value, ForwardOperation* forward_op_) {
  forward_op_->attrs.Set(attr_name, value);
  return op_->SetAttrType(attr_name, value);
}
absl::Status SetAttrShape(AbstractOperation* op_, const char* attr_name,
                          const int64_t* dims, const int num_dims,
                          ForwardOperation* forward_op_) {
  if (num_dims > TensorShape::MaxDimensions()) {

  }
}

void TFE_OpSetAttrShape(TFE_Op* op, const char* attr_name, const int64_t* dims,
                        const int num_dims, TF_Status* out_status) {
  out_status->status =
      tensorflow::unwrap(op)->SetAttrShape(attr_name, dims, num_dims);
}

void TFE_OpSetAttrFunction(TFE_Op* op, const char* attr_name,
                           const TFE_Op* value) {
  auto s = tensorflow::unwrap(op)->SetAttrFunction(