import type { NextFunction, Request, Response } from 'express';
import { IdpOwoxConfig } from '../../config/index.js';
import { PageController } from '../../controllers/page-controller.js';
import type { DatabaseStore } from '../../store/database-store.js';
import { PkceFlowOrchestrator } from '../auth/pkce-flow-orchestrator.js';
/**
 * Express middleware handlers for starting PKCE and fast-path sign-in.
 */
export declare class AuthFlowMiddleware {
    private readonly pageController;
    private readonly idpOwoxConfig;
    private readonly store;
    private readonly pkceFlowOrchestrator;
    private readonly logger;
    constructor(pageController: PageController, idpOwoxConfig: IdpOwoxConfig, store: DatabaseStore, pkceFlowOrchestrator: PkceFlowOrchestrator);
    idpStartMiddleware(req: Request, res: Response): Promise<void>;
    signInMiddleware(req: Request, res: Response, _next: NextFunction): Promise<void | Response>;
    signUpMiddleware(req: Request, res: Response, _next: NextFunction): Promise<void | Response>;
}
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