/*!
 * Copyright (c) 2015-present, Okta, Inc. and/or its affiliates. All rights reserved.
 * The Okta software accompanied by this notice is provided pursuant to the Apache License, Version 2.0 (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 { ServiceInterface, ServiceManagerOptions } from '../core/types';
declare type OnLeaderHandler = (() => Promise<void>);
declare type ServiceOptions = ServiceManagerOptions & {
    onLeader?: OnLeaderHandler;
};
export declare class LeaderElectionService implements ServiceInterface {
    private options;
    private channel?;
    private elector?;
    private started;
    constructor(options?: ServiceOptions);
    private onLeaderDuplicate;
    private onLeader;
    isLeader(): boolean;
    hasLeader(): boolean;
    start(): Promise<void>;
    stop(): Promise<void>;
    requiresLeadership(): boolean;
    isStarted(): boolean;
    canStart(): boolean;
}
export {};