// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.chrome.browser.tabmodel;
/** A {@link TabModel} which also emits events relevant to incognito tabs. */
public interface IncognitoTabModel extends TabModel {
/**
* Subscribes an {@link IncognitoTabModelObserver} to be notified about incognito events.
* @param observer The observer to be subscribed.
*/
void addIncognitoObserver(IncognitoTabModelObserver observer);
/**
* Unsubscribes an {@link IncognitoTabModelObserver}.
* @param observer The observer to be unsubscribed.
*/
void removeIncognitoObserver(IncognitoTabModelObserver observer);
}