/**
 * @license
 * Copyright 2023 Open Ag Data Alliance
 *
 * 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 '@oada/pino-debug';
import type { Service } from './Service.js';
/**
 * Manages watching of a particular job queue
 */
export declare class Queue {
    #private;
    private readonly _id;
    /**
     * Creates queue watcher
     * @param _service The `Service` which the watch is operating under
     * @param token? The token for the queue to watch, or undefined if an OADA client was passed
     */
    constructor(_service: Service, _id: string);
    /**
     * Opens the WATCH and begins processing jobs
     */
    start(skipQueue?: boolean): Promise<void>;
    /**
     * Closes the WATCH
     */
    stop(): Promise<void>;
}