import { Timestamp } from "@hashgraph/sdk";
export declare type Encrypter<T> = (message: T) => T;
export declare type Decrypter<T> = (message: T, consensusTime: Timestamp) => T;
export declare type Signer<T> = (message: T) => T;
export declare class Message {
    private static serialVersionUID;
    protected timestamp: Timestamp;
    constructor();
    getTimestamp(): Timestamp;
    toJsonTree(): any;
    toJSON(): string;
    static fromJsonTree(tree: any, result?: Message): Message;
    static fromJson(json: string): Message;
}