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<?php
/**
 * Zend Framework (http://framework.zend.com/)
 *
 * @link      http://github.com/zendframework/zf2 for the canonical source repository
 * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license   http://framework.zend.com/license/new-bsd New BSD License
 */

namespace Zend\Authentication\Adapter;

interface ValidatableAdapterInterface extends AdapterInterface
{
    /**
     * Returns the identity of the account being authenticated, or
     * NULL if none is set.
     *
     * @return mixed
     */
    public function getIdentity();

    /**
     * Sets the identity for binding
     *
     * @param  mixed                       $identity
     * @return ValidatableAdapterInterface
     */
    public function setIdentity($identity);

    /**
     * Returns the credential of the account being authenticated, or
     * NULL if none is set.
     *
     * @return mixed
     */
    public function getCredential();

    /**
     * Sets the credential for binding
     *
     * @param  mixed                       $credential
     * @return ValidatableAdapterInterface
     */
    public function setCredential($credential);
}