/**
 * Config Update Queue Manager
 *
 * Manages queued configuration updates with priority handling
 * to ensure config changes are applied in the correct order.
 */
import type { QueuedConfigUpdate, ConfigState, QueueStats } from '@plyaz/types/api';
/**
 * Config update queue manager
 */
export declare class ConfigUpdateQueueManager {
    private static instance;
    private queue;
    private configState;
    private constructor();
    /**
     * Get or create the queue
     */
    private getQueue;
    /**
     * Get singleton instance
     */
    static getInstance(): ConfigUpdateQueueManager;
    /**
     * Initialize with config state
     */
    initialize(configState: ConfigState): void;
    /**
     * Queue a config update
     */
    queueUpdate(config: Partial<Record<string, unknown>>, strategy?: QueuedConfigUpdate['strategy'], scope?: QueuedConfigUpdate['scope'], metadata?: QueuedConfigUpdate['metadata']): void;
    /**
     * Process a config update
     */
    private processConfigUpdate;
    /**
     * Determine priority for config update
     */
    private getPriority;
    /**
     * Apply config immediately (bypass queue)
     */
    applyImmediate(config: Partial<Record<string, unknown>>, strategy?: QueuedConfigUpdate['strategy']): void;
    /**
     * Get queue statistics
     */
    getStats(): QueueStats;
    /**
     * Reset the queue
     */
    reset(): void;
}
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