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<?php
namespace Sabberworm\CSS\Property;
use Sabberworm\CSS\Comment\Commentable;
use Sabberworm\CSS\Renderable;
interface AtRule extends Renderable, Commentable
{
/**
* Since there are more set rules than block rules,
* we’re whitelisting the block rules and have anything else be treated as a set rule.
*
* @var string
*/
const BLOCK_RULES = 'media/document/supports/region-style/font-feature-values';
/**
* … and more font-specific ones (to be used inside font-feature-values)
*
* @var string
*/
const SET_RULES = 'font-face/counter-style/page/swash/styleset/annotation';
/**
* @return string|null
*/
public function atRuleName();
/**
* @return string|null
*/
public function atRuleArgs();
}
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