import { Timestamp } from "@hashgraph/sdk";
export declare class TimestampUtils {
    static ISO: string;
    static ISO8601: string;
    static toJSON(item: Timestamp, format?: string): string;
    static fromJson(json: string, format?: string): Timestamp;
    static now(): Timestamp;
    static equals(a: Timestamp, b: Timestamp): boolean;
    static lessThan(a: Timestamp, b: Timestamp): boolean;
}