export declare class HttpError extends Error {
    status: number;
    errorCode?: number;
    constructor(message: string, status: number, errorCode?: number);
}
export declare class UnauthorizedError extends HttpError {
  constructor(message: string, errorCode?: number);
}
export declare class ReferenceError extends Error {
    isReferenceError: boolean;
    originalError: Error;
    constructor(message: string, isReferenceError: boolean, originalError: Error);
}