code: public float getTotalSeconds() {
  		if (this.totalSecondsDirty) {
  			this.totalSeconds = this.days * DAY + this.hours * HOUR + this.minutes * MINUTE + this.seconds * SECOND + this.milliseconds * MILLISECOND;
  			this.totalSecondsDirty = false;
  		}
  
  		return this.totalSeconds;
  	}
docs: //////////////