import { type AppPathsManifest, type PagesManifest, type PrerenderManifest, type RoutesManifest } from "./manifests.js";
export type TargetErrorCode = "NO_BUILD" | "NO_STANDALONE" | "BAD_MANIFEST";
export declare class TargetError extends Error {
    readonly code: TargetErrorCode;
    constructor(code: TargetErrorCode, message: string);
}
export type ValidatedTarget = {
    appDir: string;
    /**
     * Absolute path to the standalone `server.js`. At the root of
     * `.next/standalone` for a single-package app; under the app's path relative
     * to the workspace root for a monorepo.
     */
    standaloneServer: string;
    appPaths: AppPathsManifest;
    pages: PagesManifest;
    /** Absent on builds that do not emit it; nothing downstream reads it. */
    routes: RoutesManifest | undefined;
    /**
     * Absent on builds with nothing prerendered. Carries which routes revalidate
     * and the `previewModeId` needed to make them re-render under load.
     */
    prerender: PrerenderManifest | undefined;
};
/**
 * Validates that `appDir` contains a production build with
 * `output: "standalone"` and readable route manifests. Fails fast with an
 * actionable message otherwise.
 */
export declare function validateTarget(appDir: string): Promise<ValidatedTarget>;