import { InvocationRequest, InvocationResponse } from '@aws-sdk/client-lambda';
import { HandlerRequest } from '../../types';
import { AxiosError, AxiosResponse, InternalAxiosRequestConfig } from 'axios';
export declare const isAxiosError: (err: any) => err is AxiosError<unknown, any>;
export declare const isAlphaRequestError: (err: any) => err is RequestError;
export declare class RequestError extends Error implements Omit<AxiosError, 'response' | 'toJSON' | 'isAxiosError'> {
    config: InternalAxiosRequestConfig;
    request: InvocationRequest | HandlerRequest;
    response?: AxiosResponse<any, any, {}> | InvocationResponse | undefined;
    code?: string;
    isLambdaInvokeTimeout?: boolean;
    isAlphaRequestError: boolean;
    constructor(message: string, config: InternalAxiosRequestConfig, request: InvocationRequest | HandlerRequest, response?: AxiosResponse<any, any, {}> | InvocationResponse | undefined);
}