import { PRSenseDetector } from '../prsense.js';
/**
 * File-based storage for PRSense state
 */
export declare class FileStorage {
    private filePath;
    constructor(filePath: string);
    /**
     * Save detector state to file
     */
    save(detector: PRSenseDetector): Promise<void>;
    /**
     * Load detector state from file
     */
    load(detector: PRSenseDetector): Promise<void>;
}
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