import { type CorsConfig } from './types.ts';
/**
 * Define config for the cors middleware with default values
 *
 * @param config - Partial CORS configuration to merge with defaults
 *
 * @example
 * ```ts
 * const corsConfig = defineConfig({
 *   origin: ['http://localhost:3000', 'https://example.com'],
 *   methods: ['GET', 'POST'],
 *   credentials: false
 * })
 * ```
 */
export declare function defineConfig(config: Partial<CorsConfig>): CorsConfig;