/**
 * Queue Orchestrator
 *
 * Centralized management of all queue systems in the API package.
 * Provides unified control, monitoring, and coordination between different queues.
 */
import { DebuggerQueueManager, OperationTracker } from '../debugger/queue';
import { EventQueueManager, ConfigUpdateQueueManager } from '../events/queue';
import type { OrchestratorConfig, QueueHealth, QueueStats } from '@plyaz/types/api';
/**
 * Unified queue orchestrator
 */
export declare class QueueOrchestrator {
    private static instance;
    private readonly config;
    private healthCheckTimer?;
    private readonly registeredQueues;
    private constructor();
    /**
     * Initialize configuration with defaults
     */
    private initializeConfig;
    /**
     * Register all core queues
     */
    private registerCoreQueues;
    /**
     * Get singleton instance
     */
    static getInstance(config?: OrchestratorConfig): QueueOrchestrator;
    /**
     * Initialize all queues
     */
    initialize(): void;
    /**
     * Register a queue for orchestration
     */
    registerQueue(name: string, queueManager: DebuggerQueueManager | EventQueueManager | ConfigUpdateQueueManager | OperationTracker): void;
    /**
     * Get all queue statistics
     */
    getAllStats(): Record<string, QueueStats>;
    /**
     * Check queue size health
     */
    private checkQueueSizeHealth;
    /**
     * Check failure rate health
     */
    private checkFailureRateHealth;
    /**
     * Check throughput health
     */
    private checkThroughputHealth;
    /**
     * Get queue health status
     */
    getQueueHealth(): QueueHealth[];
    /**
     * Start health monitoring
     */
    private startHealthMonitoring;
    /**
     * Auto-scale a queue based on load
     */
    private autoScaleQueue;
    /**
     * Stop health monitoring
     */
    stopHealthMonitoring(): void;
    /**
     * Reset all queues
     */
    resetAll(): void;
    /**
     * Destroy the orchestrator
     */
    destroy(): void;
    /**
     * Get performance metrics
     */
    getPerformanceMetrics(): {
        totalQueued: number;
        totalProcessed: number;
        totalFailed: number;
        avgProcessingTime: number;
        avgThroughput: number;
    };
}
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