/usr/share/php/Nette/common/IFreezable.php is in php-nette 2.1.0-1.
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/**
 * This file is part of the Nette Framework (http://nette.org)
 * Copyright (c) 2004 David Grudl (http://davidgrudl.com)
 */
namespace Nette;
use Nette;
/**
 * Object that has a modifiable and a read-only (frozen) state.
 *
 * @author     David Grudl
 * @deprecated
 */
interface IFreezable
{
	/**
	 * Makes the object unmodifiable.
	 * @return void
	 */
	function freeze();
	/**
	 * Is the object unmodifiable?
	 * @return bool
	 */
	function isFrozen();
}
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