export declare class DtlsRandom { gmt_unix_time: number; random_bytes: Buffer; static readonly spec: { gmt_unix_time: number; random_bytes: any; }; constructor(gmt_unix_time?: number, random_bytes?: Buffer); static deSerialize(buf: Buffer): DtlsRandom; static from(spec: typeof DtlsRandom.spec): DtlsRandom; serialize(): Buffer; }