export interface UPnPBinding {
    remotehost: string;
    host: string;
    port: number;
}
export declare class UpnpProvider {
    private portStart;
    private portEnd;
    private identifier;
    private upnpInterval;
    private ttl;
    private logger?;
    private host;
    private currentConfig;
    private interval;
    private client;
    constructor(portStart: number, portEnd: number, identifier: string, upnpInterval?: number, ttl?: number, logger?: any, host?: string);
    checkUPnPisAvailable(): Promise<boolean>;
    getCurrentConfig(): UPnPBinding | null;
    getUpnpDescription(): string;
    /**
     * Always open the same port during an execution of Duniter.
     * @returns { host:string, port:number }
     */
    openPort(): Promise<{
        host: string;
        port: number;
    }>;
    startRegular(): Promise<{
        host: string;
        port: number;
        available: boolean;
    }>;
    stopRegular(): void;
    static getLocalIP(client: any): Promise<string>;
    static getRemoteIP(client: any): Promise<string>;
    private getAvailablePort;
    static getUPnPMappings(client: any): Promise<any>;
    /**
     * Apparently on computers with both Wi-Fi and Ethernet, UPnP fails to open the port.
     * Giving the priority to Ethernet seems to fix the problem.
     * @param family
     */
    private getBestHostForUPnP;
}