import type { ImplementationExport } from '../types/master.ts';
/** Default thread pool size based on the number of CPU cores. */
export declare const defaultPoolSize: number;
/**
 * Get the Node.js-specific worker implementation using `worker_threads`, lazily initializing it on first call.
 * @returns The platform-specific worker implementation export.
 */
export declare function getWorkerImplementation(): ImplementationExport;
/**
 * Check whether the current code is running inside a Node.js worker thread.
 * @returns True if running in a worker thread (not the main thread), false otherwise.
 */
export declare function isWorkerRuntime(): boolean;
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