import { prewarmAppSandboxes } from "#execution/sandbox/prewarm.js";
type PrewarmAppSandboxesInput = Parameters<typeof prewarmAppSandboxes>[0];
/**
 * Detects whether the current build is running inside Vercel with a
 * stable deployment identifier. Build-time sandbox prewarm runs only
 * when this returns true so dev runs and one-off builds don't try to
 * provision templates against the platform.
 */
export declare function shouldPrewarmVercelBuild(): boolean;
/**
 * Vercel build-time sandbox prewarm hook. Failures here are treated as
 * build failures because the same sandbox bootstrap would otherwise
 * break at runtime.
 *
 * Returns `true` when the prewarm ran, `false` when the current
 * environment is not a Vercel build.
 */
export declare function runVercelBuildPrewarm(input: PrewarmAppSandboxesInput): Promise<boolean>;
export {};