text: 
  
  class Time {
  
  	constructor() {
  		this._ref = {
  			epoch: this.now(),
  			valid: true,
  			start: process.hrtime()
  		};
  	}
  
  	hrtime() {
  		const dif = process.hrtime(this._ref.start);
  		return this._ref.epoch + ((dif[0] * 1e3) + (dif[1] / 1e6));
  	}
  
  	now() {
  		return Date.now();
  	}
  
  }
  
  module.exports = Time;
  