/**
 * Information about product for SDK usage statistic.
 */
export declare type IProductInfo = {
    product: string;
    version: string;
};
/**
 * Interface to be implemented by objects capable of making HTTP requests.
 * @hidden
 */
export interface IConnection {
    get(endpoint: string, accessToken: string): Promise<Response>;
    post(endpoint: string, accessToken: string, data?: object): Promise<Response>;
}
/**
 * Class responsible for making HTTP requests.
 * @hidden
 */
export declare class Connection implements IConnection {
    private readonly prefix;
    private virgilAgentValue;
    /**
     * Initializes a new instance of `Connection`.
     * @param {string} prefix - `prefix` will be prepended to the `endpoint`
     * argument of request methods.
     * @param {VirgilAgentValue} [virgilAgentValue] - optional instance of VirgilAgent for products that wraps
     * Virgil SDK
     */
    constructor(prefix: string, info?: IProductInfo);
    /**
     * Issues a GET request against the `endpoint`.
     * @param {string} endpoint - Endpoint URL relative to the `prefix`.
     * @param {string} accessToken - Token to authenticate the request.
     * @returns {Promise<Response>}
     */
    get(endpoint: string, accessToken: string): Promise<Response>;
    /**
     * Issues a POST request against the `endpoint` sending the `data` as JSON.
     * @param {string} endpoint - Endpoint URL relative to the `prefix`.
     * @param {string} accessToken - Token to authenticate the request.
     * @param {object} data - Response body.
     * @returns {Promise<Response>}
     */
    post(endpoint: string, accessToken: string, data?: object): Promise<Response>;
    private send;
    private createHeaders;
}