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<?php
/**
 * @package     FOF
 * @copyright   Copyright (c)2010-2019 Nicholas K. Dionysopoulos / Akeeba Ltd
 * @license     GNU GPL version 2 or later
 */

namespace FOF30\Configuration\Domain;

use SimpleXMLElement;

defined('_JEXEC') or die;

/**
 * The Interface of a FOF configuration domain class. The methods are used to parse and
 * provision sensible information to consumers. The Configuration class acts as an
 * adapter to the domain classes.
 *
 * @since    2.1
 */
interface DomainInterface
{
	/**
	 * Parse the XML data, adding them to the $ret array
	 *
	 * @param   SimpleXMLElement  $xml   The XML data of the component's configuration area
	 * @param   array             &$ret  The parsed data, in the form of a hash array
	 *
	 * @return  void
	 */
	public function parseDomain(SimpleXMLElement $xml, array &$ret);

/**
	 * Return a configuration variable
	 *
	 * @param   string  &$configuration  Configuration variables (hashed array)
	 * @param   string  $var             The variable we want to fetch
	 * @param   mixed   $default         Default value
	 *
	 * @return  mixed  The variable's value
	 */
	public function get(&$configuration, $var, $default);
}

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