import { Store, Options, ClientRateLimitInfo } from 'express-rate-limit';

/**
 * A `Store` for the `express-rate-limit` package that stores individual hits in
 * PostgreSQL. Each hit is stored as a separate entry and can be used for advanced analytics.
 *
 * @public
 */
declare class PostgresStoreIndividualIP implements Store {
    /**
     * The database configuration as specified in https://node-postgres.com/apis/client.
     */
    config: any;
    /**
     * The database connection pool.
     */
    pool: any;
    /**
     * Optional value that the store prepends to keys
     *
     * Used by the double-count check to avoid false-positives when a key is counted twice, but with different prefixes
     */
    prefix: string;
    /**
     * The duration of time before which all hit counts are reset (in milliseconds).
     */
    windowMs: number;
    /**
     * @constructor for `PostgresStoreIndividualIP`.
     *
     * @param config {any} - The database configuration as specified in https://node-postgres.com/apis/client.
     * @param prefix {string} - The unique name of the session. This is useful when applying multiple rate limiters with multiple stores.
     */
    constructor(config: any, prefix: string);
    /**
     * Method that actually initializes the store. Must be synchronous.
     *
     * This method is optional, it will be called only if it exists.
     *
     * @param options {Options} - The options used to setup express-rate-limit.
     *
     * @public
     */
    init(options: Options): void;
    /**
     * 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.
     *
     * @public
     */
    increment(key: string): Promise<ClientRateLimitInfo>;
    /**
     * Method to decrement a client's hit counter.
     *
     * @param key {string} - The identifier for a client.
     *
     * @public
     */
    decrement(key: string): Promise<void>;
    /**
     * Method to reset a client's hit counter.
     *
     * @param key {string} - The identifier for a client.
     *
     * @public
     */
    resetKey(key: string): Promise<void>;
    /**
     * Method to reset everyone's hit counter.
     *
     * This method is optional, it is never called by express-rate-limit.
     *
     * @public
     */
    resetAll(): Promise<void>;
}

/**
 * A `Store` for the `express-rate-limit` package that stores hit counts in
 * PostgreSQL.
 *
 * @public
 */
declare class PostgresStoreAggregatedIP implements Store {
    /**
     * The database configuration as specified in https://node-postgres.com/apis/client.
     */
    config: any;
    /**
     * Optional value that the store prepends to keys
     *
     * Used by the double-count check to avoid false-positives when a key is counted twice, but with different prefixes
     */
    prefix: string;
    /**
     * The database connection pool.
     */
    pool: any;
    /**
     * The duration of time before which all hit counts are reset (in milliseconds).
     */
    windowMs: number;
    /**
     * @constructor for `PostgresStoreAggregatedIP`.
     *
     * @param config {any} - The database configuration as specified in https://node-postgres.com/apis/client.
     * @param prefix {string} - The unique name of the session. This is useful when applying multiple rate limiters with multiple stores.
     */
    constructor(config: any, prefix: string);
    /**
     * Method that actually initializes the store. Must be synchronous.
     *
     * This method is optional, it will be called only if it exists.
     *
     * @param options {Options} - The options used to setup express-rate-limit.
     *
     * @public
     */
    init(options: Options): void;
    /**
     * 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.
     *
     * @public
     */
    increment(key: string): Promise<ClientRateLimitInfo>;
    /**
     * Method to decrement a client's hit counter.
     *
     * @param key {string} - The identifier for a client.
     *
     * @public
     */
    decrement(key: string): Promise<void>;
    /**
     * Method to reset a client's hit counter.
     *
     * @param key {string} - The identifier for a client.
     *
     * @public
     */
    resetKey(key: string): Promise<void>;
    /**
     * Method to reset everyone's hit counter.
     *
     * This method is optional, it is never called by express-rate-limit.
     *
     * @public
     */
    resetAll(): Promise<void>;
}

export { PostgresStoreAggregatedIP as PostgresStore, PostgresStoreIndividualIP };