/**
 * Test Helpers for Proxy Handler Tests
 *
 * Shared utilities for testing AuthClient proxy functionality with MSW mocking.
 * These helpers support Bearer/DPoP authentication, session management, and
 * DPoP nonce retry validation.
 */
import { SessionData } from "../types/index.js";
/**
 * Create initial session data for testing
 *
 * @param overrides - Partial session data to override defaults
 * @returns Complete SessionData object
 */
export declare function createInitialSessionData(overrides?: Partial<SessionData>): SessionData;
/**
 * Create session cookie from session data
 *
 * @param sessionData - Session data to encrypt
 * @param secretKey - Secret key for encryption
 * @returns Cookie string in format "__session={encryptedValue}"
 */
export declare function createSessionCookie(sessionData: SessionData, secretKey: string): Promise<string>;
/**
 * Extract DPoP nonce and claims from DPoP JWT header
 *
 * @param dpopHeader - DPoP JWT header value
 * @returns Object with nonce presence, nonce value, and JWT claims
 */
export declare function extractDPoPInfo(dpopHeader: string | null): {
    hasNonce: boolean;
    nonce?: string;
    htm?: string;
    htu?: string;
    jti?: string;
    iat?: number;
};
/**
 * Create stateful DPoP nonce retry handler for upstream API
 *
 * This handler tracks request attempts and simulates the DPoP nonce retry flow:
 * - First request: Returns 401 with WWW-Authenticate header containing use_dpop_nonce error and DPoP-Nonce header
 * - Second request: Returns success response
 *
 * Per RFC 9449 Section 8: Resource servers signal DPoP nonce requirement via 401 with WWW-Authenticate header
 *
 * @param config - Configuration for the handler
 * @returns Handler function and state object for assertions
 */
export declare function createDPoPNonceRetryHandler(config: {
    baseUrl: string;
    path: string;
    method: string;
    successResponse?: any;
    successStatus?: number;
}): {
    handler: ({ request }: {
        request: Request;
    }) => Promise<Response>;
    state: {
        requestCount: number;
        requests: Array<{
            attempt: number;
            hasDPoP: boolean;
            hasNonce: boolean;
            nonce?: string;
            dpopJwt?: string;
        }>;
    };
};