export declare const DEVICE_SHARE_KEY = "ds";
export declare const ENCRYPTION_KEY_KEY = "ek";
export declare const INITIALIZATION_VECTOR_KEY = "iv";
export declare function clearDeviceShares(): Promise<void>;
export declare function base64ToArrayBuffer(base64: string): ArrayBuffer;
export declare function encryptAndPersistDeviceShare(deviceShareBase64: string, networkHash: string): Promise<void>;
export declare function getDecryptedDeviceShare(networkHash: string): Promise<string | undefined>;