/**
 * Stats and metrics operations
 */
import type { IFlashQClient, QueueStats, Metrics } from '../types';
/**
 * Get queue statistics.
 *
 * @param client - FlashQ client instance
 * @returns Queue stats (queued, processing, delayed, dlq counts)
 *
 * @example
 * ```typescript
 * const stats = await client.stats();
 * console.log(`Queued: ${stats.queued}`);
 * console.log(`Processing: ${stats.processing}`);
 * console.log(`Delayed: ${stats.delayed}`);
 * console.log(`DLQ: ${stats.dlq}`);
 * ```
 */
export declare function stats(client: IFlashQClient): Promise<QueueStats>;
/**
 * Get detailed metrics.
 *
 * @param client - FlashQ client instance
 * @returns Detailed metrics object
 *
 * @example
 * ```typescript
 * const metrics = await client.metrics();
 * console.log('Throughput:', metrics.throughput);
 * ```
 */
export declare function metrics(client: IFlashQClient): Promise<Metrics>;
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