// in an initialized context.
  for (auto d = devices.begin(); d != devices.end();) {
    if (absl::StrContains(d->get()->name(), "CPU:0")) {
      d = devices.erase(d);
    } else {
      ++d;
    }
  }

  status->status = tensorflow::unwrap(ctx)->AddDevices(std::move(devices));
}

void TFE_InsertConfigKeyValue(TFE_Context* ctx, const char* key,

    mutex_lock l(mutex_);
    auto it = closures_.find(key);
    DCHECK(it != closures_.end());
    ExecutableClosure<ExecutableType, ClientType> value = std::move(it->second);
    closures_.erase(it);
    return value;
  }

  static ExecutableClosureStore* Global() {
    static ExecutableClosureStore* instance = new ExecutableClosureStore;
    return instance;
  }

 private:

  }
  std::vector<string> parts = absl::StrSplit(cpp_class, "::");
  if (parts.front().empty()) {
    // Allow a fully qualified name that starts with "::".
    parts.erase(parts.begin());
  }
  for (int i = 0, end = parts.size(); i < end; ++i) {
    if (i < end - 1) {
      TF_RETURN_IF_ERROR(ValidateCppIdent(
          parts[i], "in namespace component of cpp_class: " + cpp_class));

          // write acts as a barrier for those IDs).
          VLOG(4) << "      Clearing resource access info for ID " << id;
          per_resource_access_info_.erase(id);
        }
      }
    }
  }
  // Now update access info for `resource_id`.
  auto& access_info = per_resource_access_info_[resource_id];
  if (read_only) {

                                children, " doesn't match the prefix ", prefix)
                       .c_str());
      return result;
    }
    children.erase(0, prefix.length());
    if (!children.empty() || include_self_directory_marker) {
      result.emplace_back(children);
    }
    ++count;
  }

  return result;
}