CSSObject.php
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CSSObject.php
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	<?php
	/**
	* @file
	* @license https://opensource.org/licenses/Apache-2.0 Apache-2.0
	*/

	namespace Wikimedia\CSS\Objects;

	/**
	* A base interface for "CSS objects"
	*
	* Each object has a position and an ability to be turned into a sequence of
	* Tokens.
	*/
	interface CSSObject {
	/**
	* Get the position of this object in the input stream
	*
	* Position is reported as one-based line and one-based codepoint within
	* the line. If no position is available, returns -1 for both line and
	* position.
	*
	* @return array [ $line, $pos ]
	*/
	public function getPosition();

	/**
	* Return an array of Tokens that correspond to this object.
	* @return Token[]
	*/
	public function toTokenArray();

	/**
	* Return an array of ComponentValues that correspond to this object.
	* @warning Do not return any Tokens that aren't valid in a ComponentValueList.
	* @return ComponentValue[]
	*/
	public function toComponentValueArray();
	}