import { IncomingMessage } from "node:http";
import { AxiosRequestConfig } from "axios";
import { PirschNodeClientConfig, PirschHttpOptions, PirschHit, PirschProxyHeader, Protocol } from "./types";
import { PirschCoreClient } from "./core";
import { PirschApiError } from "./common";
/**
 * Client is used to access the Pirsch API.
 */
export declare class PirschNodeApiClient extends PirschCoreClient {
    protected readonly hostname: string;
    protected readonly protocol: Protocol;
    protected readonly trustedProxyHeaders?: PirschProxyHeader[];
    private httpClient;
    /**
     * The constructor creates a new client.
     *
     * @param {object} configuration You need to pass in the **Hostname**, **Client ID** and **Client Secret** or **Access Key** you have configured on the Pirsch dashboard.
     * It's also recommended to set the proper protocol for your website, else it will be set to `https` by default.
     * All other configuration parameters can be left to their defaults.
     * @param {string} configuration.baseUrl The base URL for the pirsch API
     * @param {number} configuration.timeout The default HTTP timeout in milliseconds
     * @param {string} configuration.clientId The OAuth client ID
     * @param {string} configuration.clientSecret The OAuth client secret
     * @param {string} configuration.hostname The hostname of the domain to track
     * @param {string} configuration.protocol The default HTTP protocol to use for tracking
     *
     */
    constructor(configuration: PirschNodeClientConfig);
    /**
     * hitFromRequest returns the required data to send a hit to Pirsch for a Node request object.
     *
     * @param request the Node request object from the http package.
     * @returns Hit object containing all necessary fields.
     */
    hitFromRequest(request: IncomingMessage): PirschHit;
    private getReferrer;
    private getHeader;
    protected get<Response>(url: string, options?: PirschHttpOptions): Promise<Response>;
    protected post<Response, Data extends object = object>(url: string, data: Data, options?: PirschHttpOptions): Promise<Response>;
    protected toApiError(error: unknown): Promise<PirschApiError>;
    protected httpOptionsToAxiosOptions(options?: PirschHttpOptions): AxiosRequestConfig;
}
export declare const Pirsch: typeof PirschNodeApiClient;
export declare const Client: typeof PirschNodeApiClient;