namespace tensorflow {
namespace {

using error::Code;
using ops::Assign;
using ops::Const;
using ops::CountUpTo;
using ops::FIFOQueue;
using ops::QueueClose;
using ops::QueueDequeue;
using ops::QueueEnqueue;
using ops::RandomNormal;
using ops::Square;
using ops::Variable;

constexpr char kAssignOpName[] = "assign";
constexpr char kCancelOp0[] = "cancel0";
constexpr char kCancelOp1[] = "cancel1";

#include "tensorflow/cc/framework/grad_op_registry.h"
#include "tensorflow/cc/framework/gradients.h"

namespace tensorflow {
namespace ops {
namespace {

REGISTER_NO_GRADIENT_OP("Queue");
REGISTER_NO_GRADIENT_OP("QueueEnqueue");
REGISTER_NO_GRADIENT_OP("QueueEnqueueMany");
REGISTER_NO_GRADIENT_OP("QueueDequeue");
REGISTER_NO_GRADIENT_OP("QueueDequeueMany");
REGISTER_NO_GRADIENT_OP("QueueDequeueUpTo");
REGISTER_NO_GRADIENT_OP("QueueClose");