import { Config } from './types';
export declare class Encrypter {
    static ivLength: number;
    static tagLength: number;
    static loadAsync({ ecdhP256Key, ecdhP256KeyUncompressed, }: Config): Promise<Encrypter>;
    private static format;
    ecdhTeamKey: Uint8Array;
    ecdhPublicKey: CryptoKey;
    derivedAesKey: ArrayBuffer;
    constructor(ecdhTeamKey: Uint8Array, ecdhPublicKey: CryptoKey, derivedAesKey: ArrayBuffer);
    encrypt(str: string): Promise<string>;
}