import type { MatcherStream } from "./patterns/matcherStream.js";
import type { Resource, InvalidSource } from "./patterns/resource.js";
import type { ScanOptions } from "./types.js";
import { type WalkResult, type WalkTotal } from "./walk.js";
export interface ScanParallelOptions {
    scanOptions: Required<ScanOptions>;
    within: string;
    stream?: MatcherStream;
    external: Map<string, Resource>;
    failed?: InvalidSource[];
    onResult?: (result: WalkResult | WalkTotal) => void;
}
/**
 * Executes a parallel directory scan.
 *
 * @since 0.11.0
 */
export declare function scanParallel(options: ScanParallelOptions, cb: (err: Error | null, results: WalkResult[] | null) => void): void;