import type { ConnectRequest, ConnectResponse, NextFunction } from '../types.js';
export interface ExpressLikeApp {
    use(path: string, ...handlers: any[]): void;
    get(path: string, ...handlers: any[]): void;
    post(path: string, ...handlers: any[]): void;
}
export interface HandlerFunctions {
    generateSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    checkSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    expireSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    onAuthRequest: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    onAuthResponse: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    ensureContext: (req: ConnectRequest, res: ConnectResponse, next: NextFunction) => Promise<void>;
    ensureSignedJson: (req: ConnectRequest, res: ConnectResponse, next: NextFunction) => void;
}
export interface AttachExpressOptions {
    app: ExpressLikeApp;
    prefix: string;
    action: string;
    handlers: HandlerFunctions;
}
/**
 * Register DID Connect routes on an Express-compatible app.
 *
 * Routes registered:
 * - GET/POST `{prefix}/{action}/token` — generate session
 * - GET `{prefix}/{action}/status` — check session status
 * - GET `{prefix}/{action}/timeout` — expire session
 * - GET `{prefix}/{action}/auth` — wallet fetches auth request
 * - POST `{prefix}/{action}/auth` — wallet submits auth response
 * - GET `{prefix}/{action}/auth/submit` — web wallet submit
 */
export declare function attachExpress({ app, prefix, action, handlers }: AttachExpressOptions): {
    generateSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    expireSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    checkSession: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    onAuthRequest: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
    onAuthResponse: (req: ConnectRequest, res: ConnectResponse) => Promise<void>;
};
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