export interface ProxyConfig {
    /**
     * Proxy server URL (e.g., 'http://proxy.example.com:8080')
     */
    url: string;
    /**
     * Type of proxy server
     */
    type?: 'http' | 'https' | 'socks4' | 'socks5';
    /**
     * Username for proxy authentication
     */
    username?: string;
    /**
     * Password for proxy authentication
     */
    password?: string;
}