public function processResources(array &$configuration)
    {
        if (!isset($configuration['resources']) || !is_array($configuration['resources'])) {
            return;
        }
        $newPrivilegeTargetConfiguration = array();
        foreach ($configuration['resources'] as $resourceType => $resourceConfiguration) {
            switch ($resourceType) {
                case 'methods':
                    $privilegeClassName = 'TYPO3\\Flow\\Security\\Authorization\\Privilege\\Method\MethodPrivilege';
                    if (!isset($newPrivilegeTargetConfiguration[$privilegeClassName])) {
                        $newPrivilegeTargetConfiguration[$privilegeClassName] = array();
                    }
                    foreach ($resourceConfiguration as $resourceName => $resourceMatcher) {
                        $newPrivilegeTargetConfiguration[$privilegeClassName][$resourceName] = array(
                            'matcher' => $resourceMatcher,
                        );
                    }
                    break;
                case 'entities':
                    $privilegeClassName = 'TYPO3\\Flow\\Security\\Authorization\\Privilege\\Entity\\Doctrine\\EntityPrivilege';
                    foreach ($resourceConfiguration as $entityType => $entityConfiguration) {
                        if (!isset($newPrivilegeTargetConfiguration[$privilegeClassName])) {
                            $newPrivilegeTargetConfiguration[$privilegeClassName] = array();
                        }
                        foreach ($entityConfiguration as $resourceName => $resourceMatcher) {
                            $newPrivilegeTargetConfiguration[$privilegeClassName][$resourceName] = array(
                                'matcher' => $this->convertEntityResourceMatcher($entityType, $resourceMatcher)
                            );
                        }
                    }
                    break;
                default:
                    $this->showWarning('Resource type "' . $resourceType . '" is not supported...');
            }
        }
        unset($configuration['resources']);
        $configuration['privilegeTargets'] = $newPrivilegeTargetConfiguration;
    }