public:
  Coordinator();

  /// Constructor with a list of error codes which would not be taken as errors
  /// in status reporting.
  Coordinator(const std::vector<error::Code>& clean_stop_errors);

  /// In the destructor, RequestStop() and Join() would be called.
  ~Coordinator();

  /// Registers a runner, i.e. a unit of running threads which is usually a
  /// QueueRunner. It takes the ownership of runner to avoid lifecycle-related

#include "tensorflow/core/platform/tstring.h"
#include "tensorflow/core/platform/types.h"

namespace {

// Struct that stores the status and TF_Tensor inputs to the opkernel.
// Used to delete tensor and status in its destructor upon kernel return.
struct Params {
  TF_Tensor* tags;
  TF_Tensor* values;
  TF_Status* status;
  explicit Params(TF_OpKernelContext* ctx)
      : tags(nullptr), values(nullptr), status(nullptr) {

  void AddErrorCallback(const std::function<void(Status)>& cb);

  /// Delete the previously registered callbacks.
  void ClearErrorCallbacks();

  /// The destructor would join all the threads.
  ~QueueRunner();

  /// Starts the queue runner with the given session.
  Status Start(Session* sess);

  /// Starts the queue runner with the given session and sets the run arguments

  virtual ~AbstractOperation() {}

 public:
  AbstractOperationKind getKind() const { return kind_; }

  // Release any underlying resources, including the interface object.
  //
  // WARNING: The destructor of this class is marked as protected to disallow
  // clients from directly destroying this object since it may manage it's own
  // lifetime through ref counting. Thus this must be allocated on the heap and

    }
  }

  ~CalibrationStatisticsSaverOp() override {
    // Save to file during destruction so we only save it once.
    // TODO - b/335044516 : Find a way to flush outside of the destructor.
    CalibrationStatisticsMap statistics_map;
    for (const auto& [id, collector] : id_to_collector_) {
      std::optional<CalibrationStatistics> statistics =
          collector->GetStatistics();

  // completed by waiting for all stream executors to complete.
  compiler_client_->WaitForProgramsToFinish();
  // Wait for all outstanding compilations to finish.
  // Resetting the pointer explicitly in the top level destructor.
  // Without this, the pointer would be reset when the AsyncCompilationState
  // is destructed, which is dependent on the order of the members in the
  // DeviceCompiler class, which is error prone if the order changes.

    TF_EXPECT_OK(status) << status.message();
    // The function should be registered with context.
    EXPECT_TRUE(context()->FindFunctionByName(func_name));
  }

  // After `result's` destructor runs, the function should no longer be
  // registered with context.
  EXPECT_FALSE(context()->FindFunctionByName(func_name));
}

}  // namespace

// You can safely put linked_ptr<> in a vector<>.
// Other uses may not be as good.
//
// Note: If you use an incomplete type with linked_ptr<>, the class
// *containing* linked_ptr<> must have a constructor and destructor (even
// if they do nothing!).
//
// Bill Gibbons suggested we use something like this.
//
// Thread Safety:
//   Unlike other linked_ptr implementations, in this implementation

// destructor, as:
//
//   1. You cannot safely throw from a destructor.  This is a problem
//      as in some cases Google Test is used where exceptions are enabled, and
//      we may want to implement ASSERT_* using exceptions where they are
//      available.
//   2. You cannot use ASSERT_* directly in a constructor or
//      destructor.
class Environment {
 public:

					next = st.demangleType(false)
				} else {
					if len(st.str) < 2 {
						st.fail("expected destructor type")
					}
					if last == nil {
						st.fail("destructor before name is seen")
					}
					st.advance(2)
					next = &Destructor{Name: getLast(last)}
					if len(st.str) > 0 && st.str[0] == 'B' {
						next = st.taggedName(next)
					}
				}
			case 'S':