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<?php
/**
* SCSSPHP
*
* @copyright 2012-2020 Leaf Corcoran
*
* @license http://opensource.org/licenses/MIT MIT
*
* @link http://scssphp.github.io/scssphp
*/
namespace ScssPhp\ScssPhp\Ast\Css;
/**
* A {@see CssNode} that can have child statements.
*
* @internal
*/
interface CssParentNode extends CssNode
{
/**
* The child statements of this node.
*
* @return list<CssNode>
*/
public function getChildren(): array;
/**
* Whether the rule has no children and should be emitted without curly
* braces.
*
* This implies `children.isEmpty`, but the reverse is not true—for a rule
* like `@foo {}`, {@see getChildren} is empty but {@see isChildless} is `false`.
*/
public function isChildless(): bool;
}
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