CTaskListState::getAllowedViewModes

public function getAllowedViewModes(): array
{
	return [
		self::VIEW_MODE_LIST,
		self::VIEW_MODE_KANBAN,
		self::VIEW_MODE_TIMELINE,
		self::VIEW_MODE_PLAN,
		self::VIEW_MODE_CALENDAR,
		self::VIEW_MODE_GANTT,
	];
}