<?php
namespace PHPAPILibrary\Core\Data;

/**
 * Interface DataInterface
 * @package PHPAPILibrary\Core\Data
 */
interface DataInterface
{
    //Marker interface
}

<?php
namespace PHPAPILibrary\Core\Data;

/**
 * Interface DataInterface
 * @package PHPAPILibrary\Core\Data
 */
interface DataInterface extends \Serializable
{
    //Marker interface
}

Make data serializable, so its more than a marker. Useful for queuing.
Make data serializable, so its more than a marker. Useful for queuing.
