void RegisterParallelDevice(
    TFE_Context* context, const char* device_name,
    const std::array<const char*, num_devices>& underlying_devices,
    TF_Status* status);

// Create and modify a variable placed on a parallel device which composes
// `first_device` and `second_device`.
void BasicTestsForTwoDevices(TFE_Context* context, const char* first_device,
                             const char* second_device);

pkg debug/elf, const R_AARCH64_CALL26 = 283
pkg debug/elf, const R_AARCH64_CALL26 R_AARCH64
pkg debug/elf, const R_AARCH64_CONDBR19 = 280
pkg debug/elf, const R_AARCH64_CONDBR19 R_AARCH64
pkg debug/elf, const R_AARCH64_COPY = 1024
pkg debug/elf, const R_AARCH64_COPY R_AARCH64
pkg debug/elf, const R_AARCH64_GLOB_DAT = 1025
pkg debug/elf, const R_AARCH64_GLOB_DAT R_AARCH64
pkg debug/elf, const R_AARCH64_GOT_LD_PREL19 = 309

pkg p1, const A = 1
pkg p1, const A ideal-int
pkg p1, const A //deprecated
pkg p1, const A64 = 1
pkg p1, const A64 int64
pkg p1, const AIsLowerA = 11
pkg p1, const AIsLowerA ideal-int
pkg p1, const B0 = 2
pkg p1, const B0 ideal-int
pkg p1, const ConstChase2 = 11
pkg p1, const ConstChase2 ideal-int
pkg p1, const ConversionConst = 5
pkg p1, const ConversionConst MyInt
pkg p1, const FloatConst = 1.5  // 3/2
pkg p1, const FloatConst ideal-float

  Status SetAttrShape(const char* attr_name, const int64_t* dims,
                      const int num_dims) override;
  Status SetAttrFunction(const char* attr_name,
                         const AbstractOperation* value) override;
  Status SetAttrFunctionName(const char* attr_name, const char* value,
                             size_t length) override;
  Status SetAttrTensor(const char* attr_name,

pkg debug/pe, const IMAGE_FILE_DEBUG_STRIPPED = 512
pkg debug/pe, const IMAGE_FILE_DEBUG_STRIPPED ideal-int
pkg debug/pe, const IMAGE_FILE_DLL = 8192
pkg debug/pe, const IMAGE_FILE_DLL ideal-int
pkg debug/pe, const IMAGE_FILE_EXECUTABLE_IMAGE = 2
pkg debug/pe, const IMAGE_FILE_EXECUTABLE_IMAGE ideal-int
pkg debug/pe, const IMAGE_FILE_LARGE_ADDRESS_AWARE = 32

pkg debug/macho, const CpuArm = 12
pkg debug/macho, const CpuArm Cpu
pkg debug/macho, const CpuPpc = 18
pkg debug/macho, const CpuPpc Cpu
pkg debug/macho, const CpuPpc64 = 16777234
pkg debug/macho, const CpuPpc64 Cpu
pkg debug/macho, const MagicFat = 3405691582
pkg debug/macho, const MagicFat uint32
pkg debug/macho, const TypeBundle = 8
pkg debug/macho, const TypeBundle Type
pkg debug/macho, const TypeDylib = 6

class CheckpointReader {
 public:
  CheckpointReader(const string& filename, TF_Status* status);

  bool HasTensor(const string& name) const;
  const string DebugString() const;

  // Returns a map from variable names to their shapes.  Slices of a partitioned
  // tensor are combined into a single entry.
  const TensorSliceReader::VarToShapeMap& GetVariableToShapeMap() const;

  virtual Status Dim(int dim_index, int64_t* dim) const = 0;

  // Returns the device which created the handle.
  virtual const char* DeviceName(Status* status) const = 0;
  // Returns the device where the tensor was placed.
  virtual const char* BackingDeviceName(Status* status) const = 0;
  // Returns the device type which created the handle.
  virtual const char* DeviceType(Status* status) const = 0;

*/
module.exports = async ({github, context}) => {
  const rollback_commit = context.payload.head_commit.id;
  const pr_match_groups = context.payload.head_commit.message.match(/\Rollback of PR #(\d+).*/) || [];
  if (pr_match_groups.length != 2) {
    console.log(`PR Number not found in ${context.payload.head_commit.message}`);
    throw "Error extracting PR Number from commit message";
  }
  const pr_number = parseInt(pr_match_groups[1]);

  for (const std::string& str : nodes) {
    *storage_size += str.size();
  }
}

void TF_GetNodesToPreserveList(const TF_GrapplerItem* item, char** values,
                               size_t* lengths, int num_values, void* storage,
                               size_t storage_size, TF_Status* status) {
  TF_SetStatus(status, TF_OK, "");
  const std::unordered_set<std::string>& nodes =