/**
 * Proxy configuration for backend API
 */
import type { ProxyOptions } from 'vite';
export interface ProxyConfig {
    '/api'?: string | ProxyOptions;
    '/__playcademy'?: string | ProxyOptions;
}
/**
 * Create proxy configuration for backend API and reserved runtime routes.
 */
export declare function createProxyConfig(existingProxy: Record<string, string | ProxyOptions>, backendPort: number): Record<string, string | ProxyOptions>;
