import type { ShardFailureEvidence } from './shard-model.js';
/** Minimal completion evidence returned by the sharded graph engine. */
export interface ShardCompletionEvidence {
    readonly failedShardIds: readonly string[];
    readonly shardFailures?: readonly ShardFailureEvidence[];
}
/** A sharded result carrying the catalog that is safe only after completion validation. */
export interface ShardedCatalogEvidence<CatalogValue> extends ShardCompletionEvidence {
    readonly catalog: CatalogValue;
}
/**
 * Reject a partial sharded catalog before it can be rendered or compared with
 * an exact catalog.
 *
 * @throws {SystemError} When one or more shard workers failed.
 */
export declare function assertShardedBuildComplete(result: ShardCompletionEvidence): void;
/**
 * Return a sharded catalog only when every worker completed.
 *
 * @throws {SystemError} When one or more shard workers failed.
 */
export declare function requireCompleteShardedCatalog<CatalogValue>(result: ShardedCatalogEvidence<CatalogValue>): CatalogValue;
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