import type { Dispatcher } from 'undici';
import type { IncomingHttpHeaders } from 'undici/types/header';
import { type InternalRequestError } from './UndiciRetryRequestError';
import type { Either } from './either';
export type RequestResult<T> = {
    body: T;
    headers: IncomingHttpHeaders;
    statusCode: number;
    requestLabel?: string;
};
export type DelayResolver = (response: Dispatcher.ResponseData) => number | undefined;
export type RetryConfig = {
    maxAttempts: number;
    delayBetweenAttemptsInMsecs?: number;
    delayResolver?: DelayResolver;
    statusCodesToRetry: readonly number[];
    retryOnTimeout: boolean;
    respectRetryAfter?: boolean;
    maxRetryAfterInMsecs?: number;
};
export type RequestParams = {
    blobBody?: boolean;
    safeParseJson?: boolean;
    requestLabel?: string;
    throwOnInternalError?: boolean;
};
export declare const DEFAULT_RETRY_CONFIG: RetryConfig;
export declare const NO_RETRY_CONFIG: RetryConfig;
export declare const DEFAULT_REQUEST_PARAMS: RequestParams;
export declare function sendWithRetry<T, const ConfigType extends RequestParams = RequestParams>(client: Dispatcher, request: Dispatcher.RequestOptions, retryConfig?: RetryConfig, requestParams?: ConfigType): Promise<Either<ConfigType['throwOnInternalError'] extends true ? RequestResult<unknown> : RequestResult<unknown> | InternalRequestError, RequestResult<ConfigType['blobBody'] extends true ? Blob : T>>>;