import type { Plugin } from 'vite';
/**
 * Vite plugin that provides app function execution as a Connect middleware.
 * Ports packages/cli/src/dev/fastify/app-function-plugin.ts to Vite's configureServer hook.
 * Functions/actions are still built by esbuild; this plugin only handles HTTP serving.
 */
export declare function dtFunctionVitePlugin(): Plugin;