GroupAction::getSections

protected function getSections(bool $addTop = false): array
{
	$this->loadSections();
	$result = $this->sections;
	if ($addTop)
	{
		$result = array_merge(
			[
				[
					'NAME' => Loc::getMessage('IBLOCK_GRID_PANEL_ACTION_MESS_SECTION_TOP_LEVEL'),
					'VALUE' => '0',
				],
			],
			$result
		);
	}
	return $result;
}