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// Portions Copyright [2018-2021] [Payara Foundation and/or its affiliates]
package org.apache.catalina;

import jakarta.servlet.ServletException;

/**
 * An Authenticator is a component (usually a Valve or Container) that provides some sort of authentication
 * service. The interface itself has no functional significance, but is used as a tagging mechanism so that other
 * components can detect the presence (via an "instanceof Authenticator" test) of an already configured authentication
 * service.
 *
 * @author Craig R. McClanahan
 * @version $Revision: 1.2 $ $Date: 2005/12/08 01:27:13 $
 */

public interface Authenticator {
    void login(String userName, char[] password, HttpRequest request) throws ServletException;
    void logout(HttpRequest request) throws ServletException;
}