/// <reference types="@cloudflare/workers-types/2023-07-01" />
import type { ClientRateLimitInfo, ConfigType as RateLimitConfiguration, Store } from "hono-rate-limiter";
import type { Env, Input } from "hono/types";
import type { Options } from "../types";
export declare class WorkersKVStore<E extends Env = Env, P extends string = string, I extends Input = Input> implements Store<E, P, I> {
    /**
     * The text to prepend to the key in Redis.
     */
    prefix: string;
    /**
     * The KV namespace to use.
     */
    namespace: KVNamespace;
    /**
     * The number of milliseconds to remember that user's requests.
     */
    windowMs: number;
    /**
     * @constructor for `WorkersKVStore`.
     *
     * @param options {Options} - The configuration options for the store.
     */
    constructor(options: Options<KVNamespace>);
    /**
     * Method to prefix the keys with the given text.
     *
     * @param key {string} - The key.
     *
     * @returns {string} - The text + the key.
     */
    prefixKey(key: string): string;
    /**
     * Method that actually initializes the store.
     *
     * @param options {RateLimitConfiguration} - The options used to setup the middleware.
     */
    init(options: RateLimitConfiguration<E, P, I>): void;
    /**
     * Method to fetch a client's hit count and reset time.
     *
     * @param key {string} - The identifier for a client.
     *
     * @returns {ClientRateLimitInfo | undefined} - The number of hits and reset time for that client.
     */
    get(key: string): Promise<ClientRateLimitInfo | undefined>;
    /**
     * Method to increment a client's hit counter.
     *
     * @param key {string} - The identifier for a client
     *
     * @returns {ClientRateLimitInfo} - The number of hits and reset time for that client
     */
    increment(key: string): Promise<ClientRateLimitInfo>;
    /**
     * Method to decrement a client's hit counter.
     *
     * @param key {string} - The identifier for a client
     */
    decrement(key: string): Promise<void>;
    /**
     * Method to reset a client's hit counter.
     *
     * @param key {string} - The identifier for a client
     */
    resetKey(key: string): Promise<void>;
}