import type { HttpContext } from '@adonisjs/core/http';
import { LimiterResponse } from './response.js';
import type { LimiterManager } from './limiter_manager.js';
import { type ThrottleException } from './errors.js';
import type { LimiterConsumptionOptions, LimiterManagerStoreFactory } from './types.js';
/**
 * HttpLimiter is a special type of limiter instance created specifically
 * for HTTP requests. It exposes a single method to throttle the request
 * using the request ip address or the pre-defined unique key.
 */
export declare class HttpLimiter<KnownStores extends Record<string, LimiterManagerStoreFactory>> {
    #private;
    constructor(manager: LimiterManager<KnownStores>, options?: LimiterConsumptionOptions);
    /**
     * Specify the store you want to use during
     * the request
     */
    store(store: keyof KnownStores): this;
    /**
     * Specify the number of requests to allow
     */
    allowRequests(requests: number): this;
    /**
     * Specify the duration in seconds or a time expression
     * for which the requests to allow.
     *
     * For example: allowRequests(10).every('1 minute')
     */
    every(duration: number | string): this;
    /**
     * Specify a custom unique key to identify the user.
     * Defaults to: request.ip()
     */
    usingKey(key: string | number): this;
    /**
     * Register a callback function to modify the ThrottleException.
     */
    limitExceeded(callback: (error: ThrottleException) => void): this;
    /**
     * Define the block duration. The key will be blocked for the
     * specified duration after all the requests have been
     * exhausted
     */
    blockFor(duration: number | string): this;
    /**
     * JSON representation of the HTTP limiter
     */
    toJSON(): {
        inMemoryBlockDuration?: number | string | undefined;
        inMemoryBlockOnConsumed?: number | undefined;
        requests?: number | undefined;
        duration?: string | number | undefined;
        blockDuration?: number | string | undefined;
        store: keyof KnownStores | undefined;
    };
    /**
     * Throttle request using the pre-defined options. Returns
     * LimiterResponse when request is allowed or throws
     * an exception.
     */
    throttle(prefix: string, ctx: HttpContext): Promise<LimiterResponse>;
}