import { InternalUrl, StartAuthJSConfig } from './types.js';
/**
 * Parse a URL string into components
 */
export declare function parseUrl(url?: string | URL): InternalUrl;
/**
 * Get current timestamp in seconds
 */
export declare function now(): number;
/**
 * Get environment variable, checking both process.env and import.meta.env
 */
export declare const getEnv: (env: string) => string | undefined;
/**
 * Get the first defined environment variable from a list
 */
export declare const conditionalEnv: (...envs: Array<string>) => string | undefined;
/**
 * Set default environment values on the config
 */
export declare function setEnvDefaults(envObject: Record<string, string | undefined>, config: StartAuthJSConfig): void;
/**
 * Get the base path for auth routes
 */
export declare const getBasePath: (config?: StartAuthJSConfig) => string;