Driver/LocalDriver.php
protected function addAdditionalImage(array $additionalImage, OptionsResolver $resolver)
    {
        $image = $resolver->resolve($additionalImage);
        $this->additionalImages[$image['prefix']] = $image;

        return $this;
    }
protected function addAdditionalImage(array $additionalImage, OptionsResolver $resolver)
    {
        $image = $resolver->resolve($additionalImage);
        $this->additionalImages[$image['prefix']] = $image;

        return $this;
    }
protected function addAdditionalImage ( array $ additionalImage , OptionsResolver $ resolver ) { $ image = $ resolver -> resolve ( $ additionalImage ) ; $ this -> additionalImages [ $ image [ 'prefix' ] ] = $ image ; return $ this ; }
add Additional Image.

@param array           $additionalImage
@param OptionsResolver $resolver

@return $this
add Additional Image .