/**
 * Request Deduplication
 * Prevents duplicate requests from being sent
 */
export declare class RequestDeduplicator {
    private pendingRequests;
    private requestCount;
    /**
     * Execute request with deduplication
     * If same request is already pending, return existing promise
     */
    request<T>(key: string, requestFn: () => Promise<T>, ttl?: number): Promise<T>;
    /**
     * Clear specific request
     */
    clear(key: string): void;
    /**
     * Clear all requests
     */
    clearAll(): void;
    /**
     * Get pending request count
     */
    getPendingCount(): number;
    /**
     * Get request statistics
     */
    getStats(): {
        pending: number;
        totalRequests: number;
        deduplicationRate: number;
    };
}
export default RequestDeduplicator;
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