Status* status) = 0;

  // Create an operation to perform op execution
  ImmediateExecutionOperation* CreateOperation() override = 0;

  // Returns whether the runtime is backed by TFRT or the legacy TF Eager
  // Runtime. This is necessary to decouple runtime-dependent
  // code that is layered on top of the runtime.
  virtual bool UsesTFRT() = 0;

TF_CAPI_EXPORT extern void TFE_ContextRemoveFunction(TFE_Context* ctx,
                                                     const char* name,
                                                     TF_Status* status);

// Checks whether a function is registered under `name`.
TF_CAPI_EXPORT unsigned char TFE_ContextHasFunction(TFE_Context* ctx,
                                                    const char* name);

  std::unordered_map<tensorflow::string, tensorflow::Node*> name_map
      TF_GUARDED_BY(mu);

  // The keys of this map are all the active sessions using this graph. Each
  // value records whether the graph has been mutated since the corresponding
  // session has been run (this is detected in RecordMutation function). If the
  // string is empty, no mutation has occurred. Otherwise the string is a

  virtual AbstractTensorInterface* Resolve(Status* status) = 0;

  std::string DebugString() const override;

  // Returns a Boolean hint indicating whether callers should prefer
  // `SummarizeValue` to resolving this handle and formatting the tensor.
  //
  // For example some tensor handles may represent distributed values, in which

  ///   * Might use any other error value for `status` to signal other errors.
  void (*stat)(const TF_Filesystem* filesystem, const char* path,
               TF_FileStatistics* stats, TF_Status* status);

  /// Checks whether the given `path` is a directory or not.
  ///
  /// If `status` is not `TF_OK`, returns `false`, otherwise returns the same
  /// as the `is_directory` member of a `TF_FileStatistics` that would be used