/**
 * Process Registry
 *
 * Central registry for tracking all spawned processes in the RevealUI system.
 * Maintains process lifecycle information and provides query capabilities.
 */
import type { ProcessMetadata, ProcessSource, ProcessStatus, RegistryStats, TrackedProcess } from './types.js';
/**
 * Global process registry instance
 */
declare class ProcessRegistry {
    private processes;
    private enabled;
    private maxHistorySize;
    /**
     * Register a new process
     */
    register(pid: number, command: string, args: string[], source: ProcessSource, metadata?: ProcessMetadata, ppid?: number): void;
    /**
     * Update process status
     */
    updateStatus(pid: number, status: ProcessStatus, exitCode?: number, signal?: string): void;
    /**
     * Mark process as zombie
     */
    markZombie(pid: number): void;
    /**
     * Get process by PID
     */
    get(pid: number): TrackedProcess | undefined;
    /**
     * Get all processes
     */
    getAll(): TrackedProcess[];
    /**
     * Get processes by status
     */
    getByStatus(status: ProcessStatus): TrackedProcess[];
    /**
     * Get processes by source
     */
    getBySource(source: ProcessSource): TrackedProcess[];
    /**
     * Get running processes
     */
    getRunning(): TrackedProcess[];
    /**
     * Get zombie processes
     */
    getZombies(): TrackedProcess[];
    /**
     * Get failed processes
     */
    getFailed(): TrackedProcess[];
    /**
     * Get registry statistics
     */
    getStats(): RegistryStats;
    /**
     * Calculate spawn rate (processes per minute)
     */
    getSpawnRate(): number;
    /**
     * Clear completed/failed processes older than retention period
     */
    private trimHistory;
    /**
     * Clear all processes
     */
    clear(): void;
    /**
     * Enable or disable tracking
     */
    setEnabled(enabled: boolean): void;
    /**
     * Check if tracking is enabled
     */
    isEnabled(): boolean;
}
/**
 * Singleton instance
 */
export declare const processRegistry: ProcessRegistry;
/**
 * Convenience functions
 */
export declare function registerProcess(pid: number, command: string, args: string[], source: ProcessSource, metadata?: ProcessMetadata, ppid?: number): void;
export declare function updateProcessStatus(pid: number, status: ProcessStatus, exitCode?: number, signal?: string): void;
export declare function markProcessZombie(pid: number): void;
export declare function getProcess(pid: number): TrackedProcess | undefined;
export declare function getAllProcesses(): TrackedProcess[];
export declare function getRunningProcesses(): TrackedProcess[];
export declare function getZombieProcesses(): TrackedProcess[];
export declare function getProcessStats(): RegistryStats;
export declare function getSpawnRate(): number;
export {};
//# sourceMappingURL=process-registry.d.ts.map