export declare const BUILD_OUTPUT_API_VERSION: 3;
/**
 * Top-level keys we accept inside a package's `vercel.json` — exactly the
 * input fields that `@vercel/routing-utils.getTransformedRoutes` compiles
 * into Build Output API routes. Anything outside this set is rejected.
 *
 * @see https://vercel.com/docs/projects/project-configuration
 */
export declare const ROUTES_SUPPORTED_KEYS: readonly ["routes", "rewrites", "redirects", "headers", "cleanUrls", "trailingSlash"];
export declare const EXECUTIONS_TIME_OUT_MS: number;
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