<?php

namespace Sabberworm\CSS\Property;

use Sabberworm\CSS\Renderable;

interface AtRule extends Renderable {
	const BLOCK_RULES = 'media/document/supports/region-style/font-feature-values';
	// 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.
	const SET_RULES = 'font-face/counter-style/page/swash/styleset/annotation'; //…and more font-specific ones (to be used inside font-feature-values)
	
	public function atRuleName();
	public function atRuleArgs();
}