// dummy functions used for kernel registration
void* MergeSummaryOp_Create(TF_OpKernelConstruction* ctx) { return nullptr; }

void MergeSummaryOp_Delete(void* kernel) {}

void MergeSummaryOp_Compute(void* kernel, TF_OpKernelContext* ctx) {
  tensorflow::Summary s;
  std::unordered_set<tensorflow::string> tags;
  Safe_TF_StatusPtr status(TF_NewStatus());