Overrides Drupal\views\Plugin\views\HandlerBase:init().
Overrides ArgumentPluginBase::init
public function init(ViewExecutable $view, &$options) {
parent::init($view, $options);
if (!empty($this->definition['many to one'])) {
$this->helper = new ManyToOneHelper($this);
// Ensure defaults for these, during summaries and stuff:
$this->operator = 'or';
$this->value = array();
}
}