/**
 * Copyright 2020 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.
 */
import { GRPCCall, GRPCCallOtherArgs, SimpleCallbackFunction } from '../apitypes';
import { RetryOptions } from '../gax';
/**
 * Creates a function equivalent to func, but that retries on certain
 * exceptions.
 *
 * @private
 *
 * @param {GRPCCall} func - A function.
 * @param {RetryOptions} retry - Configures the exceptions upon which the
 *   function eshould retry, and the parameters to the exponential backoff retry
 *   algorithm.
 * @param {GRPCCallOtherArgs} otherArgs - the additional arguments to be passed to func.
 * @return {SimpleCallbackFunction} A function that will retry.
 */
export declare function retryable(func: GRPCCall, retry: RetryOptions, otherArgs: GRPCCallOtherArgs, apiName?: string): SimpleCallbackFunction;