export interface ManifestCheckSuccess {
    ok: true;
    manifest: unknown;
    warnings: string[];
}
export interface ManifestCheckFailure {
    ok: false;
    reason: string;
    /** Stable agent-core failure code when check() supplied one. */
    code?: string;
}
export type ManifestCheckResult = ManifestCheckSuccess | ManifestCheckFailure;
/** Runs `check({ sourceDir })` in a child `node` process; never throws or
 *  rejects — a crash, timeout, or unparsable output all come back as a
 *  `ManifestCheckFailure` with a human-readable reason. */
export declare function runManifestCheck(sourceDir: string): Promise<ManifestCheckResult>;
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