export declare class RateLimiter {
    amount: number;
    interval: number;
    private limiters;
    /**
     * Creates a new RateLimiter object to control rate limiting.
     *
     * @param amount - Amount of times an action can be done within an interval. Ex: `2` would mean 2 times.
     * @param interval - Length of an interval in milliseconds. Ex: `5000` would mean 5 seconds.
     *
     * @returns RateLimiter object.
     */
    constructor(amount: number, interval: number);
    /**
     * Takes a token from the rate limiter.
     *
     * @param key Key which identifies the entity being limited (Ex: a username or ID).
     *
     * @returns Whether this action exceeds the rate limit.
     */
    take(key: string): boolean;
}