/**
 *  Creator: Christian Hotz
 *  Company: hydra newmedia GmbH
 *  Date: 27.06.16
 *
 *  Copyright hydra newmedia GmbH
 */
/**
 *  Imports
 */
import { Request } from 'express';
import { Strategy as PassportStrategy } from 'passport-strategy';
export interface StrategyOptions {
    realm?: string;
    header: string;
    prefix: string;
    scope?: string | string[];
    passReqToCallback?: boolean;
}
export declare type VerifyFunction = (apiKey: string, done: (error: any, user?: any, info?: Object | string) => void) => void;
export declare type VerifyFunctionWithRequest = (req: Request, apiKey: string, done: (error: any, user?: any, info?: Object | string) => void) => void;
export declare class Strategy extends PassportStrategy {
    readonly name: string;
    readonly verify: VerifyFunction | VerifyFunctionWithRequest;
    private readonly prefixPattern;
    private _options;
    get options(): StrategyOptions;
    constructor(options: StrategyOptions, verify: VerifyFunction | VerifyFunctionWithRequest);
    authenticate(req: Request): void;
    private _challenge;
}