protected function getRoleIdentifierMap(array $map)
{
$rolesFromPolicy = $this->loadRolesFromPolicyFiles();
foreach ($rolesFromPolicy as $newRoleIdentifier) {
$map[substr($newRoleIdentifier, strrpos($newRoleIdentifier, ':') + 1)] = $newRoleIdentifier;
}
$map['Anonymous'] = 'Anonymous';
$map['Everybody'] = 'Everybody';
return $map;
}