export declare const ENCRYPTER_VERSION = 1;
export declare const ENCRYPTION_KEY_BYTES = 32;
export declare const IV_BYTES = 12;
export declare const ALGORITHM = "AES-GCM";
export declare const KEY_DIGEST_BYTES = 8;
export declare function loadKey(key: Uint8Array, keyUsages: KeyUsage[]): Promise<CryptoKey>;
export declare function getKeyDigest(key: Uint8Array): Promise<string>;
export declare function _encrypt(data: string, key: CryptoKey, keyDigest: string): Promise<string>;
export declare function _decrypt(data: string, findKey: (digest: string) => Promise<CryptoKey[]>): Promise<string>;