// Used to pass the operation node name from kernel construction to
// kernel computation.
struct HistogramSummaryOp {
  std::string op_node_name;
};

void* HistogramSummaryOp_Create(TF_OpKernelConstruction* ctx) {
  HistogramSummaryOp* kernel = new HistogramSummaryOp;
  TF_StringView string_view_name = TF_OpKernelConstruction_GetName(ctx);
  kernel->op_node_name =