/**
 * Copyright (c) Microsoft Corporation.
 * Modifications copyright (c) Data Liberation Foundation Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import IDevtoolsSession from '@ulixee/unblocked-specification/agent/browser/IDevtoolsSession';
import IBrowserEngine from '@ulixee/unblocked-specification/agent/browser/IBrowserEngine';
export default class DevtoolsPreferences {
    readonly preferencesPath: string;
    private cachedPreferences;
    constructor(browserEngine: IBrowserEngine);
    installOnConnect(session: IDevtoolsSession): Promise<void>;
    private onPreferenceAction;
    private save;
    private load;
}