/**
 * Adds the path component to the URL if the URL is missing one.
 *
 * @param {*} url the URL
 * @param {*} path path component
 * @returns {*} the updated URL
 */
export declare const appendPathnameIfEmpty: (url: string, path: string) => string;
export declare const parseHost: (host?: string) => {
    host?: string;
    port?: string;
    isValid: boolean;
};
export declare const isValidJdbcUrl: (jdbcUrl: string) => {
    status: boolean;
    message?: string;
};
export declare const parseJdbcUrl: (jdbcUrl: string) => {
    hostName: string;
    port?: string;
    isValid: boolean;
};
/**
 *
 * Returns whether the given URL or hostname refers to localhost (by name or loopback IP).
 *
 * @param {*} hostnameOrUrl a URL or hostname
 * @returns {*} true iff hostnameOrUrl refers to localhost
 */
export declare function isLocalhost(hostnameOrUrl: string | URL): boolean;
/**
 *
 * Parses the port from an http/https URL.
 *
 * @param {*} url an http/https url
 * @returns {*} an integer port
 */
export declare function getPortFromUrl(url: string): number;
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