private function build()
{
$this->form->addDate('start_date', $this->dateRange->getStartDate(), 'range', mktime(0, 0, 0, 1, 1, 2005), time());
$this->form->addDate('end_date', $this->dateRange->getEndDate(), 'range', mktime(0, 0, 0, 1, 1, 2005), time());
}