/// <reference types="node" />
export declare type Callback = Function;
export declare type CallbackAction = (err: any | null) => void;
export declare type CallbackError = (err: NodeJS.ErrnoException) => void;
export interface RemoteUser {
    real_groups: string[];
    groups: string[];
    name: string | void;
    error?: string;
}
export declare type StringValue = string | void | null;
export interface HttpError extends Error {
    status: number;
    statusCode: number;
    expose: boolean;
    headers?: {
        [key: string]: string;
    };
    [key: string]: any;
}