001/*
002 * Logback: the reliable, generic, fast and flexible logging framework.
003 * Copyright (C) 1999-2024, QOS.ch. All rights reserved.
004 *
005 * This program and the accompanying materials are dual-licensed under
006 * either the terms of the Eclipse Public License v1.0 as published by
007 * the Eclipse Foundation
008 *
009 *   or (per the licensee's choosing)
010 *
011 * under the terms of the GNU Lesser General Public License version 2.1
012 * as published by the Free Software Foundation.
013 */
014
015package ch.qos.logback.core.spi;
016
017/**
018 * An interface extending both {@link PropertyContainer} and {@link ContextAware}
019 *
020 * @since 1.5.1
021 */
022public interface ContextAwarePropertyContainer extends PropertyContainer, ContextAware {
023
024
025    /**
026     * This method is used tp perform variable substitution.
027     *
028     * @param input
029     * @return a new string after variable substitution, if any.
030     */
031    String subst(String input);
032
033}