FluidTYPO3\Vhs\ViewHelpers\Iterator\DiffViewHelper::initializeArguments PHP Method

    public function initializeArguments()
    {
        parent::initializeArguments();
        $this->registerArgument('a', 'mixed', 'First Array/Traversable/CSV');
        $this->registerArgument('b', 'mixed', 'Second Array/Traversable/CSV', true);
    }