public function __construct(Container $app, $label, $validations = null)
{
// Get special classes
$this->app = $app;
$this->addClass($this->app['former.framework']->getGroupClasses());
// Invisible if Nude
if ($this->app['former.framework']->is('Nude')) {
$this->element = '';
}
// Set group label
if ($label) {
$this->setLabel($label);
}
// Set validations used to override groups own conclusions
$this->validations = (array) $validations;
}