import { IXrayVersion } from '../../model';
import { HttpClient } from '../HttpClient';
import { ILogger } from '../../model/';
export declare class XraySystemClient {
    private readonly httpClient;
    private readonly logger;
    private readonly pingEndpoint;
    static readonly versionEndpoint: string;
    constructor(httpClient: HttpClient, logger: ILogger);
    ping(): Promise<boolean>;
    version(): Promise<IXrayVersion>;
}