/**
 * Zombie Process Detector
 *
 * Periodically scans for defunct (zombie) processes and attempts automatic cleanup.
 * Zombie processes are dead processes that haven't been reaped by their parent.
 */
import type { ZombieProcess } from './types.js';
/**
 * Zombie detector class
 */
declare class ZombieDetector {
    private interval;
    private zombieHistory;
    private enabled;
    private detectionInterval;
    private maxHistory;
    private onZombieDetected?;
    /**
     * Start zombie detection
     */
    start(): void;
    /**
     * Stop zombie detection
     */
    stop(): void;
    /**
     * Perform a single scan for zombie processes
     */
    scan(): Promise<ZombieProcess[]>;
    /**
     * Attempt to clean up a zombie process
     */
    private attemptCleanup;
    /**
     * Add zombie to history
     */
    private addToHistory;
    /**
     * Get zombie history
     */
    getHistory(): ZombieProcess[];
    /**
     * Get current zombie count
     */
    getCount(): number;
    /**
     * Clear history
     */
    clearHistory(): void;
    /**
     * Set zombie detection callback
     */
    onZombie(callback: (zombie: ZombieProcess) => void): void;
    /**
     * Enable or disable detection
     */
    setEnabled(enabled: boolean): void;
    /**
     * Check if detection is enabled
     */
    isEnabled(): boolean;
    /**
     * Check if detector is running
     */
    isRunning(): boolean;
}
/**
 * Singleton instance
 */
export declare const zombieDetector: ZombieDetector;
/**
 * Convenience functions
 */
export declare function startZombieDetection(): void;
export declare function stopZombieDetection(): void;
export declare function scanForZombies(): Promise<ZombieProcess[]>;
export declare function getZombieHistory(): ZombieProcess[];
export declare function getZombieCount(): number;
export declare function onZombieDetected(callback: (zombie: ZombieProcess) => void): void;
export {};
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