#pragma once

namespace Envoy {

/**

 * ConstSingleton allows easy global cross-thread access to a const object.

 *

 * This singleton should be used for data which is initialized once at

 * start-up and then be treated as immutable const data thereafter.

 */

template <class T> class ConstSingleton {

public:

  /**

   * Obtain an instance of the singleton for class T.

   * @return const T& a reference to the singleton for class T.

   */

};

} // namespace Envoy