destination_sig_map = &revived->signature_def_functions;

  for (const auto& id_and_func : objects.concrete_functions) {
    int node_id = id_and_func.first;
    const TFConcreteFunctionRevivalState& func = id_and_func.second;

    if (revived->concrete_functions.Find(node_id)) {
      // The function has already been initialized in the destination_map,

      }

      // Retrieve related function information.
      const std::string& function_name = saved_function.concrete_functions(0);
      const FunctionDef* function_def = function_def_map.at(function_name);
      const SavedConcreteFunction& saved_concrete_func =
          metagraph.object_graph_def().concrete_functions().at(function_name);
      const FunctionSpec& function_spec = saved_function.function_spec();

  // Sort `concrete_functions`, which is an unordered map from function names to
  // SavedConcreteFunction, using the suffix UID of the function name. Assumes
  // that the trackable children are listed in a deterministic order during
  // serialization.
  absl::btree_map<int64_t, std::string> uid_to_function_names;
  for (const auto& [name, concrete_function] :
       object_graph_def.concrete_functions()) {

    std::unique_ptr<TFConcreteFunction> concrete_function;
    TF_RETURN_IF_ERROR(TFConcreteFunction::Create(/*function_def=*/&function,
                                                  /*captures=*/{},
                                                  /*metadata=*/{},
                                                  /*ctx=*/context,
                                                  /*out=*/&concrete_function));

package(
    # copybara:uncomment default_applicable_licenses = ["//tensorflow:license"],
    licenses = ["notice"],
)

cc_library(
    name = "concrete_function",
    srcs = [
        "concrete_function.cc",
    ],
    hdrs = [
        "//tensorflow/c/experimental/saved_model/public:concrete_function.h",
    ],
    copts = tf_copts(),
    visibility = [

#include "tensorflow/c/experimental/saved_model/core/tf_saved_model_api.h"
#include "tensorflow/c/experimental/saved_model/internal/saved_model_api_type.h"
#include "tensorflow/c/experimental/saved_model/public/concrete_function.h"
#include "tensorflow/c/experimental/saved_model/public/signature_def_function.h"
#include "tensorflow/c/experimental/saved_model/public/signature_def_function_metadata.h"