export type ValidatedBuildTarget = {
    appDir: string;
    /** The package script to run, when one of the usual names exists. */
    buildScript: string | null;
};
/**
 * Validates a target for a *build* measurement.
 *
 * Deliberately weaker than `validateTarget`: this command measures the build
 * itself, so demanding `.next` or a standalone bundle would reject exactly the
 * projects it exists to help — a build that OOMs never produces either.
 */
export declare function validateBuildTarget(appDir: string): Promise<ValidatedBuildTarget>;