import { ApiResponse, STATUS_CODE_BASE } from './protocol';
export interface ErrorResponse extends ApiResponse {
    errorDescription?: string;
    errorStack?: string;
    message: string;
    status: number;
    statusName: string;
}
export declare class RequestError {
    static internal(err: RequestError | Error): RequestError;
    static standardError(code: STATUS_CODE_BASE | number, extraMessage: Error | string): RequestError;
    private _errorDesc;
    private _friendlyMessage;
    protected err_code: number;
    protected error: Error;
    constructor(code: STATUS_CODE_BASE | number, message: string, e?: Error);
    response(): ErrorResponse;
    toJSON(): ErrorResponse;
    private _stack;
    stack: string;
    readonly code: number;
    readonly message: string;
}