import { type BulkFileDataValidationRequest, type BulkFileDataValidationResult, type BulkFileDataValidatorApi, type BulkFileDataValidatorStats } from '../Api/BulkFileDataValidatorApi';
export interface NodeBulkFileDataValidatorOptions {
    /** Number of validation workers. Defaults to one to bound CPU usage. */
    maxWorkers?: number;
    /** Maximum number of waiting validations. Defaults to eight. */
    maxQueue?: number;
    /** Per-object validation deadline. Defaults to two minutes. */
    taskTimeoutMsecs?: number;
    /** Test-only worker entry override. */
    workerPath?: string;
}
/**
 * Bounded Node worker pool for complete bulk-header verification.
 *
 * A bounded private copy transfers to the worker and back without structured
 * cloning. This preserves the caller's source bytes if a worker crashes while
 * queue bounds prevent validation copies from consuming unbounded memory.
 *
 * @public
 */
export declare class NodeBulkFileDataValidator implements BulkFileDataValidatorApi {
    private readonly maxQueue;
    private readonly taskTimeoutMsecs;
    private readonly workerPath;
    private readonly workers;
    private readonly queue;
    private nextTaskId;
    private destroyed;
    private readonly stats;
    constructor(options?: NodeBulkFileDataValidatorOptions);
    validate(request: BulkFileDataValidationRequest): Promise<BulkFileDataValidationResult>;
    getStats(): BulkFileDataValidatorStats;
    destroy(): Promise<void>;
    private spawnWorker;
    private dispatch;
    private complete;
    private validateWorkerResult;
    private failWorker;
    private updateQueueStats;
}
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