import type { AuthStore } from "../../auth/store.js";
export type AuthenticateResult = {
    success: true;
} | {
    success: false;
    reason: string;
};
export type AuthenticateOptions = {
    authStore: AuthStore;
    instanceId: string;
    timeoutMs?: number;
    onQRCode?: (qr: string) => void;
};
/**
 * Performs WhatsApp authentication during onboarding.
 * Displays QR code and waits for user to scan it.
 *
 * Expects: AuthStore and instanceId for credential storage.
 * Returns: success or failure with reason.
 */
export declare function authenticate(options: AuthenticateOptions): Promise<AuthenticateResult>;
//# sourceMappingURL=authenticate.d.ts.map