/**
 * Lazy-loaded worker_threads shim.
 *
 * Top-level await resolves once at module initialization. In Node.js ≥22 this
 * succeeds and parallel workers are enabled. In browsers or environments where
 * node:worker_threads is unavailable the catch returns null and the workers
 * path in runMps is silently skipped.
 *
 * The dynamic import (rather than a static import) prevents bundlers from
 * analyzing 'node:worker_threads' as a hard dependency.
 */
import type { Worker, receiveMessageOnPort } from 'node:worker_threads';
type WorkerThreads = {
    Worker: typeof Worker;
    receiveMessageOnPort: typeof receiveMessageOnPort;
};
export declare const wt: WorkerThreads | null;
export {};
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