declare const NONCE_SEED_BARRIER_ENV = "BULLETIN_DEPLOY_E2E_NONCE_SEED_BARRIER";
interface NonceSeedBarrierResult {
    met: boolean;
    /** Every party's seed seen in the directory, own included, sorted. */
    seeds: number[];
}
declare function awaitNonceSeedBarrier(opts: {
    dir: string;
    seed: number;
    parties?: number;
    timeoutMs?: number;
    pollMs?: number;
    id?: string;
}): Promise<NonceSeedBarrierResult>;
/**
 * The seam storeChunkedContent calls once it knows it will submit chunks. A no-op
 * unless NONCE_SEED_BARRIER_ENV is set, and only the first call per process waits:
 * a later storeChunkedContent call (a re-upload, a second phase) is never held.
 */
declare function e2eNonceSeedBarrier(seed: number, env?: NodeJS.ProcessEnv): Promise<void>;
/** Test-only: re-arm the once-per-process guard. */
declare function __resetNonceSeedBarrierForTest(): void;

export { NONCE_SEED_BARRIER_ENV, type NonceSeedBarrierResult, __resetNonceSeedBarrierForTest, awaitNonceSeedBarrier, e2eNonceSeedBarrier };