Neos\Flow\Core\Migrations\Version20121205134000::up PHP Method

    public function up()
    {
        $this->processConfiguration(\Neos\Flow\Configuration\ConfigurationManager::CONFIGURATION_TYPE_POLICY, function (&$configuration) {
            if (isset($configuration['resources']['entities'])) {
                $updatedResourcesEntities = array();
                foreach ($configuration['resources']['entities'] as $entityType => $entityConfiguration) {
                    $entityType = str_replace('_', '\\', $entityType);
                    $updatedResourcesEntities[$entityType] = $entityConfiguration;
                }
                $configuration['resources']['entities'] = $updatedResourcesEntities;
            }
        }, true);
    }