import { Logger } from '../utils/Logger';
/**
 * Service for detecting the current public IP address
 * with multiple fallback services for reliability
 */
export declare class IpDetectionService {
    private logger;
    private ipServices;
    private ipServiceEndpoints;
    /**
     * Creates a new IP detection service instance
     * @param logger Logger instance for recording detection activity
     * @param ipServices Array of service identifiers to use for IP detection
     */
    constructor(logger: Logger, ipServices?: string[]);
    /**
     * Detects the current public IP address using multiple services with fallback
     * @returns Promise resolving to the current public IPv4 address
     * @throws Error if all configured IP detection services fail
     */
    detectIp(): Promise<string>;
    /**
     * Validates if a string is a properly formatted IPv4 address
     * @param ip String to validate as an IPv4 address
     * @returns True if the string is a valid IPv4 address
     */
    private isValidIpv4;
    /**
     * Attempts to get a fallback IP from an alternative source
     * Used as a last resort when other methods fail
     * @returns Promise resolving to an IP address or null if unavailable
     */
    getFallbackIp(): Promise<string | null>;
}