/**
 * Require a default export from every `server/plugins/` source file. Nitro
 * calls each plugin's default export, so a plugin without one passes
 * typecheck but fails the production build with
 * `[MISSING_EXPORT] "default" is not exported by "server/plugins/..."`.
 */
import type { GuardResult, GuardScanOptions } from "./types.js";
/** The module's runtime export names after TypeScript erasure, or `null` when
 * esbuild cannot parse it (the real build reports that error itself). */
export declare function runtimeExports(source: string, file: string): string[] | null;
export declare function scanServerPluginDefaultExport(options: GuardScanOptions): GuardResult;