import { BeforeErrorHook, BeforeRetryHook, HandlerFunction, Method } from 'got';
import { CamundaPlatform8Configuration } from './Configuration';
/**
 * Capturing useful async stack traces is challenging with got.
 * See here: https://github.com/sindresorhus/got/blob/main/documentation/async-stack-traces.md
 * This function stores the call point from the application of got requests.
 * This enables users to see where the error originated from.
 */
export declare const beforeCallHook: HandlerFunction;
/**
 * This function is used to handle 401 errors in got requests.
 * It will retry the request only once if the error code is 401.
 * Otherwise, for 429 and 503 errors, it will retry according to the GotRetryConfig.
 */
export declare const gotBeforeRetryHook: BeforeRetryHook;
/**
 * This function adds the call point to the error stack trace of got errors.
 * This enables users to see where the error originated from.
 *
 * It also logs the error to the Camunda Support log.
 * This is useful for debugging and support purposes.
 */
export declare const gotBeforeErrorHook: (config: CamundaPlatform8Configuration) => BeforeErrorHook;
/**
 *
 * This function is used on a 401 response to retry the request with a new token, one single time.
 * https://github.com/camunda/camunda-8-js-sdk/issues/125
 */
export declare const makeBeforeRetryHandlerFor401TokenRetry: (getHeadersFn: any) => (context: any) => Promise<void>;
/**
 * Retry configuration for got requests.
 * This configuration is used to retry requests on certain status codes and methods.
 * We will retry on 429 (Too Many Requests) and 503 (Service Unavailable) status codes.
 * 503 is used for Camunda 8 to indicate server backpressure. See: https://github.com/camunda/camunda-8-js-sdk/issues/509
 * 401 (Unauthorized) is used for OAuth token refreshes.
 * We will retry only once on 401 (see the BeforeRetryHook), because the worker polls continuously, and a worker that is misconfigured with an invalid secret will retry indefinitely.
 * This is not ideal, but it is the current behaviour. We need to ensure that such a worker does not flood the broker, so we cause a backoff.
 */
export declare const GotRetryConfig: {
    methods: Method[];
    statusCodes: number[];
};