/**
 * Rate Limiter del lado del cliente
 * Previene errores 429 limitando requests por segundo y concurrencia
 */
import type { Logger } from './logger';
export interface RateLimiterConfig {
    maxRequestsPerSecond: number;
    maxConcurrent?: number;
    logger?: Logger;
}
export declare class RateLimiter {
    private queue;
    private pending;
    private lastRequestTime;
    private readonly minInterval;
    private readonly maxConcurrent;
    private readonly logger?;
    private processingQueue;
    constructor(config: RateLimiterConfig);
    execute<T>(fn: () => Promise<T>): Promise<T>;
    private processQueue;
    clear(): void;
    get queueSize(): number;
    get pendingCount(): number;
    getStats(): {
        queueSize: number;
        pendingCount: number;
        maxConcurrent: number;
        minInterval: number;
    };
}
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