/**
 * Rate Limiter Constants - SMI-730, SMI-1189
 *
 * Constants for rate limiting functionality.
 */
/**
 * Maximum number of unique keys to track in queues and metrics
 * Prevents unbounded memory growth from malicious or misconfigured clients
 */
export declare const MAX_UNIQUE_KEYS = 10000;
/**
 * Metrics TTL in milliseconds (1 hour) - metrics older than this are cleaned up
 */
export declare const METRICS_TTL_MS: number;
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