/**
 * @see {@link https://en.wikipedia.org/wiki/List_of_HTTP_status_codes}
 */
export declare enum ErrorCode {
    BadRequest = 400,
    Unauthorized = 401,
    PaymentRequired = 402,
    Forbidden = 403,
    NotFound = 404,
    MethodNotAllowed = 405,
    Gone = 410,
    NotAcceptable = 406,
    Timeout = 408,
    Conflict = 409,
    PayloadTooLarge = 413,
    UnsupportedMediaType = 415,
    OutOfRange = 416,
    ExpectationFailed = 417,
    I_am_a_Teapot = 418,
    AuthenticationTimeout = 419,
    UnprocessableEntity = 422,
    TooManyRequests = 429,
    InternalError = 500,
    NotImplemented = 501,
    ServiceUnavailable = 503,
    InsufficientStorage = 507,
    BandwidthLimitExceeded = 509
}
export declare class HttpError extends Error {
    code: ErrorCode;
    constructor(code: number | ErrorCode, message?: string, options?: ErrorOptions);
}
export declare function isHttpError(error: Error): error is HttpError;