/*
 * Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
 * or more contributor license agreements. Licensed under the Elastic License
 * 2.0 and the Server Side Public License, v 1; you may not use this file except
 * in compliance with, at your election, the Elastic License 2.0 or the Server
 * Side Public License, v 1.
 */

package org.elasticsearch.cluster;

import org.elasticsearch.common.io.stream.Writeable;

/**
 * Cluster state part, changes in which can be serialized
 */
public interface Diffable<T> extends Writeable {

    /**
     * Returns serializable object representing differences between this and previousState
     */
    Diff<T> diff(T previousState);

}
