import { EventEmitter } from "events";
export declare class FileSysScanHandler extends EventEmitter {
    rootDir: string;
    constructor(rootDir: string);
    /**
     * Iterative scan using a shared work queue and fixed worker concurrency.
     */
    scanIterative(workerCount?: number, scan_params?: {
        age: number;
        mode: "days" | "seconds";
    }): Promise<void>;
}
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