code: public boolean addInterval(Bounds i) {
  		if(i.max < this.minimum || i.min > this.maximum) {
  			return false;
  		}
  		bs.add(i);
  		return true;
  	}
docs: Add an [lb,ub] interval between the two {@link TimePoint}s of this constraint.
  @param i The interval to add.
  @return <code>true</code> if the interval was added, <code>false</code> if it is malformed.