import { AxiosInstance } from 'axios';
import { AirPollutionRequest } from './requests/airPollutionRequest';
import { AirPollutionResponse } from './responses/airPollutionResponse';
/**
 * A client of https://openweathermap.org/api/air-pollution
 */
export declare class PollutionApi {
    private httpClient;
    /**
       *
       * @param {AxiosInstance} httpClient
       */
    constructor(httpClient: AxiosInstance);
    /**
       *
       * @param {AirPollutionRequest} request
       * @public
       * @return {Promise<AirPollutionResponse>}
       */
    getCurrentAirPollution(request: AirPollutionRequest): Promise<AirPollutionResponse>;
    /**
       *
       * @param {AirPollutionRequest} request
       * @return {Promise<AirPollutionResponse>}
       */
    getForecastedAirPollution(request: AirPollutionRequest): Promise<AirPollutionResponse>;
    /**
       *
       * @param {AirPollutionRequest} request
       * @return {Promise<AirPollutionResponse>}
       */
    getHistoricalAirPollution(request: AirPollutionRequest): Promise<AirPollutionResponse>;
}