/// <reference types="node-fetch" />
import { Headers } from "../../adapter";
export declare function getPublicIP(): Promise<any>;
export declare function isDomain(value: string): boolean;
export declare function isIpv4(value: string): boolean;
export declare function isIpv6(value: string): boolean;
export declare function isAddress(v: string): boolean;
export declare function isLocalAddress(v: string): boolean;
export declare function getHttpClientIP(headers: {
    [key: string]: any;
} | Headers): any;
export declare function getHttpClientInfo(ua: string): {
    os: string;
    browser: string;
};
export declare function isInnerIP(host: string): boolean;