/**
 * Load environment files in precedence order:
 * 1. .env (from cwd)
 * 2. .env.<envName> (if envName provided, overrides .env)
 * 3. extraFiles (highest precedence, overrides everything above)
 *
 * Uses node:util.parseEnv for parsing. Missing files are silently ignored
 * except for explicitly provided extraFiles.
 */
export declare function loadEnvFiles(envName?: string, extraFiles?: string[]): Promise<void>;
//# sourceMappingURL=env.d.ts.map