import type { ExtensionConfig } from './types';
/**
 * Identity helper for authoring `config/extension.ts` with full type-checking
 * and editor completion:
 *
 * ```ts
 * // config/extension.ts
 * import { defineExtension } from '@stacksjs/browser-extension'
 * export default defineExtension({ name: 'My Extension', description: '…', … })
 * ```
 */
export declare function defineExtension(config: ExtensionConfig): ExtensionConfig;
/**
 * Load the project's extension config from `config/extension.ts` (default
 * export). Returns null when the project has no extension config.
 */
export declare function loadExtensionConfig(cwd?: string): Promise<ExtensionConfig | null>;