ConcreteFunction** function) = 0;

  // Retrieve a list of child functions from a SavedModel given a starting node.
  // 0 is the root node.
  virtual Status GetFunctions(
      int node_id,
      absl::flat_hash_map<std::string, ConcreteFunction*>* functions) = 0;

  // Retrieve a SignatureDefFunction from a SavedModel, using the key of the
  // SignatureDef map:

class TFSavedModelAPI : public SavedModelAPI {
 public:
  Status GetFunction(const std::string& function_path,
                     ConcreteFunction** function) override;

  Status GetFunctions(
      int node_id,
      absl::flat_hash_map<std::string, ConcreteFunction*>* functions) override;

  Status GetSignatureDefFunction(const std::string& signature_def_key,

  if (*function == nullptr) {
    return errors::NotFound("No function found at path ", function_path);
  }

  return Status();
}

Status TFSavedModelAPI::GetFunctions(
    int node_id,
    absl::flat_hash_map<std::string, ConcreteFunction*>* functions) {
  const auto& nodes = bundle_.saved_object_graph().nodes();
  if (node_id >= nodes.size()) {
    return errors::OutOfRange(

                // Collect constructors
                findAvailableConstructors(scope, name).mapTo(this) { AvailableSymbol(it, importKind) }

                // Collect functions
                scope.getFunctions(name).mapTo(this) { AvailableSymbol(it, importKind) }
            }
        }
    }

    fun findPropertiesInScopes(scopes: List<FirScope>, name: Name): List<AvailableSymbol<FirVariableSymbol<*>>> {