/**
 * Simple in-memory rate limiter for HTTP requests.
 * Tracks requests per IP address within a time window.
 */
export interface RateLimiter {
    isAllowed(ip: string): boolean;
    getRemaining(ip: string): number;
    reset(): void;
}
/**
 * Create a rate limiter with the specified configuration.
 *
 * @param maxRequests - Maximum requests allowed per window
 * @param windowMs - Time window in milliseconds
 * @returns RateLimiter instance
 */
export declare function createRateLimiter(maxRequests: number, windowMs: number): RateLimiter;
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