interface EnvVar {
    key: string;
    value: string;
}
/**
 * ECIES-encrypt a set of environment variables against a recipient's x25519
 * public key. Works on Node 18+ and modern browsers — uses `globalThis.crypto`
 * (Web Crypto API) and @noble/curves.
 */
declare function encryptEnvVars(envs: EnvVar[], publicKeyHex: string): Promise<string>;

export { type EnvVar, encryptEnvVars };