import type { WebSocketConnection } from "../../platform/adapters/base.js";
export interface RateLimiterOptions {
    windowMs?: number;
    now?: () => number;
}
export declare class RateLimiter {
    private readonly messageCounts;
    private readonly maxMessages;
    private readonly windowMs;
    private readonly now;
    constructor(maxMessages: number, options?: RateLimiterOptions);
    check(socket: WebSocketConnection): boolean;
    cleanup(socket: WebSocketConnection): void;
}
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