import { BytesMessage } from '../model/serialized-message-data';
export declare function isUint8Array(data: unknown): data is Uint8Array;
export declare function isSerializedUint8Array(data: unknown): data is BytesMessage;
export declare function uint8ArrayToBase64(bytes: Uint8Array): Promise<string>;
export declare function base64ToUint8Array(base64String: string): Uint8Array;
export declare function uint8ArrayToSerializedParameter(bytes: Uint8Array): Promise<BytesMessage>;