/**
 * @license
 * Copyright 2017 Google LLC
 *
 * 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.
 */
/**
 * @fileoverview Provides a method for running a function with exponential
 * backoff.
 */
type id = (p1: boolean) => void;
export { id };
/**
 * Accepts a callback for an action to perform (`doRequest`),
 * and then a callback for when the backoff has completed (`backoffCompleteCb`).
 * The callback sent to start requires an argument to call (`onRequestComplete`).
 * When `start` calls `doRequest`, it passes a callback for when the request has
 * completed, `onRequestComplete`. Based on this, the backoff continues, with
 * another call to `doRequest` and the above loop continues until the timeout
 * is hit, or a successful response occurs.
 * @description
 * @param doRequest Callback to perform request
 * @param backoffCompleteCb Callback to call when backoff has been completed
 */
export declare function start(doRequest: (onRequestComplete: (success: boolean) => void, canceled: boolean) => void, backoffCompleteCb: (...args: any[]) => unknown, timeout: number): id;
/**
 * Stops the retry loop from repeating.
 * If the function is currently "in between" retries, it is invoked immediately
 * with the second parameter as "true". Otherwise, it will be invoked once more
 * after the current invocation finishes iff the current invocation would have
 * triggered another retry.
 */
export declare function stop(id: id): void;