import React from 'react';
interface UserRegistrationProps {
    onRegistrationComplete: () => void;
    onCancel?: () => void;
    username?: string;
    email?: string;
}
export declare function handleLogin(userId: string, apiKey?: string, provider?: 'openai' | 'anthropic'): Promise<any>;
declare const UserRegistration: React.FC<UserRegistrationProps>;
export default UserRegistration;