function __construct() {
$this->addOption( 'list-file', 'A file containing a list of extension setup files, one per line.', false, true );
$this->addOption( 'output', 'Send output to this file (omit for stdout)', false, true );
function __construct() {
$this->addOption( 'list-file', 'A file containing a list of extension setup files, one per line.', false, true );
$this->addOption( 'output', 'Send output to this file (omit for stdout)', false, true );