import type { SmartNftables } from './nft.manager.js';
import type { INftRateLimitRule, INftConnectionRateRule } from './nft.types.js';
/**
 * Manages rate limiting rules using nft meters and limit expressions.
 */
export declare class RateLimitManager {
    private parent;
    constructor(parent: SmartNftables);
    /**
     * Add a rate limit rule (global or per-IP).
     */
    addRateLimit(groupId: string, rule: INftRateLimitRule): Promise<void>;
    /**
     * Remove a rate limit rule group.
     */
    removeRateLimit(groupId: string): Promise<void>;
    /**
     * Add a new-connection rate limit rule.
     * Limits the rate of new TCP/UDP connections (ct state new).
     */
    addConnectionRateLimit(groupId: string, rule: INftConnectionRateRule): Promise<void>;
    /**
     * Remove a connection rate limit rule group.
     */
    removeConnectionRateLimit(groupId: string): Promise<void>;
}